JURA E4 (Type 762) Instructions for Use

1 Control Elements

The JURA E4 is a sophisticated automatic coffee machine. The control elements and components are detailed below:

Machine Overview:
  • 1. ?️ (On/Off button)
  • 2. ? (Bean container with aroma preservation cover)
  • 3. ? (Switch for hot water preparation)
  • 4. ☕ (Height-adjustable coffee spout)
  • 5. ? (Height-adjustable hot-water spout)
  • 6. ?️ (Cup grille)
  • 7. ?️ (Drip tray)
  • 8. ?️ (Coffee grounds container)
  • 9. ? (Mains cable - permanently connected or plug-in)
  • 10. ? (Water tank)
  • 11. ? (Water tank cover)
  • 12. ? (Service socket for optional JURA WiFi Connect)
  • 13. ? (Filler funnel for ground coffee)
  • 14. ? (Filler funnel cover)
  • 15. ⚙️ (Grinder adjustment switch)
  • 16. ? (Measuring spoon for ground coffee)

Symbol Display and Buttons:

2 For Your Safety

Comply with the instructions for use

Before using the machine, read these instructions for use thoroughly and completely and comply with the instructions they contain. Keep these instructions for use close to the machine and pass them on to the next user.

Failure to observe the instructions for use may result in serious injuries or damage to property. Safety information is indicated as follows:

Proper use

The machine is intended for private domestic use. It is intended only for coffee and hot water preparation. Use for any other purpose will be deemed improper.

User limitations

People, including children, who:

must be supervised by a responsible person when using it, or must be instructed in how to use it correctly.

Use by children

Children must be able to recognise and understand the potential dangers arising from incorrect use:

What to do in the event of damage

Never use a damaged machine or mains cable. This could result in fatal electric shock.

Preventing damage

To avoid damage to the machine and the mains cable:

Danger of electric shock

Water conducts electricity. Do not bring water and electricity into contact with one another:

Danger of burns, scalding and injury

3 Preparing and Using for the First Time

Setting up the machine

When setting up your E4, please note the following:

Filling the bean container

The bean container has an aroma preservation cover. This will ensure that your coffee beans retain their aroma for longer.

CAUTION: Coffee beans which have been treated with additives (e.g. sugar), ground coffee or freeze-dried coffee will damage the grinder.

Determining the water hardness

When you use the machine for the first time, you must set the water hardness. If you do not know the hardness of your water, you can find this out first. Use the Aquadur® test strips supplied with the machine.

First-time use

WARNING: If the machine is operated with a defective mains cable, there is a danger of potentially fatal electric shock.

CAUTION: Milk, sparkling mineral water or other liquids can damage the water tank or the machine.

Precondition: The bean container has been filled.

The number of symbols that are brightly lit up indicates the water hardness level: 1–7 °dH (s), 8–15 °dH (ss), 16–23 °dH (sss) and 24–30 °dH (sss s).

If you do not know the hardness of your water, you can find this out first (see chapter 3 ‘Preparing and using for the first time – Determining the water hardness’).

The ? and ?️ symbols appear.

The machine automatically detects that you have just inserted the filter cartridge. The ??☕️ symbols flash from right to left to show that you need to open the switch for hot water preparation.

The filter is rinsed. Water flows out of the hot-water spout. Rinsing of the filter stops automatically. The ??☕️ symbols flash from left to right.

The ?☕️ symbol lights up.

The ??☕️ symbols flash while the E4 is heating up. The machine is rinsed. Water flows out of the coffee spout. The rinse stops automatically. Your E4 is ready for use.

Connecting the machine to the WiFi network (optionally)

Your E4 can be connected with your JURA app (J.O.E.).

Precondition: J.O.E.® is installed on your mobile end device. The optionally available JURA WiFi Connect is inserted into the service socket of your E4.

For more information on setting up the WiFi Connect go to jura.com/wifi or scan the QR code.

4 Preparation

Basic information about preparing drinks:

Aim What to do
Select coffee strength Press the ?☕️ button before preparation: 'mild' (s), 'normal' (ss) or 'strong' (sss). The E4 remembers the last option selected for the next preparation.
Cancel preparation Press any button

All products can also be prepared using the JURA app (J.O.E.). With the JURA app (J.O.E.) you can make two additional speciality coffees: the caffè Barista and the lungo Barista. If no action is performed on the E4 for 5 minutes, the symbol display goes dark. However, the E4 remains ready for use.

Coffee tastes best served hot. A cold porcelain cup cools the beverage and impairs the taste. JURA recommends prewarming the cups. A JURA cup warmer can be purchased from your specialised dealer.

Espresso and coffee

Example: Coffee

The preset amount of water for coffee flows into the cup.

Two espressi and two coffees

Example: Two espressi

Two brewing operations take place one after the other. Change the cup before the second brewing operation. To prepare two coffees, press the ☕️ button 2x. The preset amount of water for espresso flows into the cup.

Hot water

Hot water flows into the cup.

Caffè Barista and lungo Barista (optionally with J.O.E.)

The JURA app (J.O.E.) offers two additional products for you to choose from: caffè Barista and lungo Barista.

Example: Lungo Barista

Permanently setting the amount of water for the cup size

It is easy to make permanent settings for the amount of water for all speciality coffees according to the cup size. Adjust the amount once as shown in the following example. Every time you prepare a drink in the future, this amount of water will be dispensed.

Example: Proceed as follows to permanently set the amount of water for one coffee.

The coffee flows into the cup.

You can alter this setting at any time by repeating the above procedure.

Adjusting the grinder

You can adjust the grinder to suit the degree of roast of your coffee.

CAUTION: If you adjust the consistency of grind when the grinder is not operating, the grinder adjustment switch could be damaged.

The consistency of grind is correct if the coffee flows regularly from the coffee spout. In addition, a fine, thick crema forms.

Grinder adjustment switch:

Example: Proceed as follows to change the consistency of grind during the preparation of an espresso.

The preset amount of water flows into the cup.

Ground coffee

You can choose to use a second coffee variety, for example decaffeinated coffee, with the filter funnel for ground coffee.

Basic information about ground coffee:

All speciality coffees with ground coffee are always prepared following the same model.

Example: Proceed as follows to prepare an espresso using ground coffee.

The preset amount of water for espresso flows into the cup.

5 Daily Operation

Switching the machine on and off

When the machine is switched off, the system is only rinsed if a speciality coffee has been prepared. The system rinses itself. Your E4 is switched on or off.

Filling the water tank

Daily maintenance of the machine and hygiene when handling coffee and water are key to a perfect coffee result in the cup every time. You should therefore change the water daily.

CAUTION: Milk, sparkling mineral water or other liquids can damage the water tank or the machine.

Maintenance actions

Optimal coffee quality depends on many factors. One important prerequisite is regular maintenance of your E4. Carry out the following steps:

Maintenance action Daily If necessary Note
Empty the drip tray and coffee grounds container and rinse with warm water (The drip tray and coffee grounds container are dishwasher-safe, but the insert for the drip tray is not) ✔️ Always empty the coffee grounds container when the machine is switched on. This is the only way of resetting the coffee grounds counter.
Rinse the water tank ✔️
Wipe the surface of the machine with a clean, soft, damp cloth (e.g. microfibre cloth) ✔️
Clean the inside of the water tank with a brush ✔️
Clean the top and bottom of the cup grille ✔️

6 Permanent Settings in Programming Mode

In programming mode, you can set the switch-off time and water hardness. Press the ⚙️ button to enter programming mode.

Automatic switch-off

By instructing your E4 to automatically switch itself off, you can cut down your energy consumption. Your E4 switches off automatically after the preset time following the last action on the machine.

The number of symbols that are brightly lit up indicates the set switch-off time:

Switch-off time Symbol(s) shown in display
30 minutes (s)
1 hour (ss)
2 hours (sss)
4 hours (sss s)

The setting must be confirmed within 20 seconds. The ??☕️ symbols flash 3 times in quick succession. Press the ⚙️ button to exit programming mode.

The automatic switch-off can also be set using the JURA app (J.O.E.).

Setting the water hardness

The harder the water, the more frequently you need to descale the E4 or change the filter. It is therefore important to set the water hardness accurately.

The water hardness was set when the machine was first used. You can change this setting at any time.

The number of symbols that are brightly lit up indicates the set water hardness level:

Water hardness Symbol(s) shown in display
1–7 °dH (s)
8–15 °dH (ss)
16–23 °dH (sss)
24–30 °dH (sss s)

The setting must be confirmed within 20 seconds. The ??☕️ symbols flash 3 times in quick succession. Press the ⚙️ button to exit programming mode.

7 Maintenance

Your E4 has the following integrated maintenance programmes:

If a maintenance programme needs to be started, the appropriate symbol lights up. If this happens, run the appropriate maintenance programme.

Inserting/changing the filter

Once the filter cartridge stops working (depending on the water hardness setting), the E4 will prompt you to change the filter.

Your E4 no longer has to be descaled if you are using the CLARIS Smart filter cartridge. CLARIS Smart filter cartridges are available from specialised dealers.

Precondition: Your E4 is ready for use. The ? (Filter symbol) lights up (if you are already using a filter and the filter capacity is depleted).

The machine automatically detects that you have inserted/changed the filter cartridge. The ??☕️ symbols flash from right to left to indicate that you need to open the switch for hot water preparation.

The filter is rinsed. Water flows out of the hot-water spout. Rinsing of the filter stops automatically. The ??☕️ symbols flash from left to right.

The ?☕️ symbol lights up.

Cleaning the machine

After 180 preparations or 80 switch-on rinses, the E4 will prompt you to clean it.

CAUTION: If the wrong cleaning agent is used, the machine could be damaged and/or traces could be left behind in the water. Use only original JURA maintenance products.

The cleaning programme lasts approximately 20 minutes. Do not interrupt the cleaning programme; the quality of cleaning will be impaired if you do so. JURA cleaning tablets are available from specialised dealers.

Precondition: The ? symbol lights up. The water tank is filled.

The ?☕️ symbols light up, water flows out of the coffee spout. The operation is interrupted, the ?? symbol lights up.

The ?☕️ symbols light up, water flows out of the coffee spout several times. The operation stops automatically. The ?? symbol lights up. Empty the drip tray and coffee grounds container and put them back into the machine. The ??☕️ symbols flash 3 times in quick succession.

Descaling the machine

The E4 builds up deposits of limescale over time and automatically prompts you to descale it when necessary. The degree of calcification depends on the hardness of your water.

If you are using a CLARIS Smart filter cartridge, you will not be prompted to descale.

CAUTION: If the descaling agent comes into contact with the skin or eyes, this can cause irritation. Avoid contact with the skin or eyes. Rinse off the descaling agent with clean water. Should you get any descaling agent in your eye, see a doctor.

CAUTION: If the wrong descaling agent is used, the machine could be damaged and/or traces could be left behind in the water. Use only original JURA maintenance products.

CAUTION: If the descaling operation is interrupted, there may be damage to the machine. Allow the descaling programme to run to the end.

CAUTION: If the descaling agent comes into contact with sensitive surfaces (e.g. marble), damage cannot be ruled out. Clean up any splashes immediately.

The descaling programme lasts approximately 45 minutes. JURA descaling tablets are available from specialised dealers.

Precondition: The ?? symbol lights up.

Completely dissolve 3 JURA descaling tablets in a receptacle holding 500 ml of water. This may take several minutes.

The ??☕️ symbols flash from right to left to show that you need to open the switch for hot water preparation.

Water flows repeatedly out of the hot-water spout. The process stops automatically. The ??☕️ symbols flash from left to right.

The descaling operation is continued. The ?☕️ symbol lights up.

The ??☕️ symbols flash from right to left.

Water flows repeatedly out of the hot-water spout. The process stops automatically. The ??☕️ symbols flash from left to right.

The descaling operation is continued. The ?☕️ symbol lights up.

If the descaling operation stops unexpectedly, rinse the water tank thoroughly.

Cleaning the bean container

Coffee beans may be covered with a slight oil film which remains on the walls of the bean container. These traces may negatively affect the coffee result. For this reason, clean the bean container from time to time.

Descaling the water tank

Limescale deposits may form in the water tank. To ensure correct function of the machine, descale the water tank from time to time.

Switch machine to descaling mode

Follow the steps below to switch the E4 from filter mode to descaling mode.

The setting must be confirmed within 20 seconds. The ??☕️ symbols flash 3 times in quick succession. The machine is now in descaling mode. Press the ⚙️ button to exit programming mode.

8 Display Messages

Message Cause/Result Action
The ? symbol lights up. The water tank is empty. You cannot prepare any products. Fill the water tank (see chapter 5 'Daily operation – Filling the water tank').
The ?️ symbol lights up. The coffee grounds container is full. / The drip tray is full. You cannot prepare any products. Empty the coffee grounds container and the drip tray (see chapter 5 'Daily operation – Maintenance actions').
The ?️ symbol flashes. The coffee grounds container is not inserted correctly or is not inserted at all. / The drip tray is not inserted correctly or is not inserted at all. You cannot prepare any products. Fit the drip tray.
The ? symbol lights up. The E4 is prompting you to clean it. Perform cleaning (see chapter 7 ‘Maintenance – Cleaning the machine’).
The ?? symbol lights up. The E4 is prompting you to descale it. Perform descaling (see chapter 7 'Maintenance – Descaling the machine ').
The ? symbol lights up. The filter cartridge no longer works. Replace the CLARIS Smart filter cartridge (see chapter 7 ‘Maintenance – Inserting/changing the filter’).
The ??☕️ symbols flash from right to left. The switch for hot water preparation must be opened. Turn the switch to the ? position.
The ??☕️ symbols flash from left to right. The switch for hot water preparation must be closed. Turn the switch to the ?️ position.
The ? symbol lights up even though no filter has been inserted. No CLARIS Smart filter cartridge was inserted in the water tank after the descaling programme finished. Insert a CLARIS Smart filter cartridge in the water tank or set the machine to descaling mode.
The ??☕️ symbols flash after the beans have been ground. The bean container is empty. You cannot prepare any products. Fill the bean container (see chapter 3 'Preparing and using for the first time – Filling the bean container').
The ☕️ symbol flashes. Not enough ground coffee was added. The E4 cancels the operation. Start preparation again.

9 Troubleshooting

Problem Cause/Result Action
Coffee only comes out in drips when it is being prepared. The coffee is ground too finely and obstructs the system. The water hardness may not have been correctly set. Set the grinder to a coarser setting (see chapter 4 ‘Preparation – Adjusting the grinder’). Perform descaling (see chapter 7 ‘Maintenance – Descaling the machine ’).
There is dry ground coffee behind the coffee grounds container. The beans used are resulting in an above-average volume of ground coffee. Reduce the coffee strength or choose a finer grinder setting.
Grinder is making a very loud noise. There are foreign objects in the grinder. Contact customer support in your country (see chapter 13 'JURA contact details / Legal information').
The ?☕️ symbol or the ?? symbol lights up brightly and other symbols flash. If the machine has been exposed to the cold for a long period of time, heating may be disabled for safety reasons. The E4 switches off automatically. Warm the machine at room temperature.

If you were unable to solve the problem, contact customer support in your country (see chapter 13 ‘JURA contact details / Legal information’).

10 Transport and Environmentally Friendly Disposal

Transport / Emptying the system

Keep the packaging for your E4. It should be used to protect the machine during transport. In order to protect the E4 from frost during transport, the system must be emptied.

Precondition: Your E4 is ready for use.

Water will continue to flow until the system is empty. The ? symbol lights up.

Disposal

Please dispose of old machines in an environmentally neutral way. Old machines contain valuable, recyclable materials which should be recycled. Please therefore dispose of old machines via suitable collection systems.

11 Technical Data

Voltage 220–240 V~, 50 Hz
Power 1450 W
Conformity mark CE
Pump pressure static, max. 15 bar
Holding capacity of water tank (without filter) 1.9 l
Holding capacity of bean container 280 g
Holding capacity of coffee grounds container approx. 16 servings
Cable length approx. 1.1 m
Weight approx. 9 kg
Dimensions (W × H × D) 28.0 × 35.1 × 44.6 cm
CLARIS Smart filter cartridge (RFID technology) Frequency band 13.56 MHz
Max. transmission power < 1 mW
JURA WiFi Connect Frequency band 2.4 GHz
Max. transmission power < 100 mW
JURA type 762

12 Index

A

B

C

D

E

F

G

H

I

J

M

P

R

S

T

U

W

13 JURA Contact Details / Legal Information

JURA Elektroapparate AG
Kaffeeweltstrasse 10
CH-4626 Niederbuchsiten
Tel. +41 (0)62 38 98 233

Directives

The machine complies with the following directives:

A detailed EU Declaration of Conformity for your E4 can be found at jura.com/conformity.

Technical changes

JURA reserves the right to make technical changes. The diagrams used in these instructions for use are for illustration purposes only and do not represent the original colours of the machine. Some details of your E4 may vary.

Models: e4, black coffee maker, coffee maker

File Info : application/pdf, 32 Pages, 2.08MB

PDF preview unavailable. Download the PDF instead.

INSTRUCTION FOR USE E4

References

Adobe PDF Library 15.0 Adobe InDesign 16.0 (Windows)

Related Documents

Preview Jura E4 (NAA) Automatic Coffee Machine: Instructions for Use and Maintenance
Comprehensive user manual for the Jura E4 (NAA) automatic coffee and espresso machine, covering setup, operation, maintenance, troubleshooting, and technical specifications.
Preview JURA E6: Comprehensive Instructions for Use and Maintenance
Explore the JURA E6 automatic coffee machine. This manual details setup, operation, cleaning, maintenance, and troubleshooting for perfect coffee every time.
Preview JURA X10c Automatic Coffee Machine: Instructions for Use
Comprehensive instructions for use for the JURA X10c automatic coffee machine, covering setup, operation, maintenance, troubleshooting, and technical specifications. Learn how to prepare various coffee specialities and keep your machine in optimal condition.
Preview JURA X10c Lietošanas instrukcija: Pilna rokasgrāmata
Detalizēta lietošanas instrukcija JURA X10c automātiskajai kafijas iekārtai, kas aptver uzstādīšanu, darbību, apkopi un problēmu risināšanu.
Preview Jura W8 Coffee Machine: Instructions for Use
Comprehensive user manual for the Jura W8 automatic coffee machine, covering setup, operation, maintenance, troubleshooting, and technical specifications.
Preview JURA ONO Coffee Machine User Manual: Operation, Care, and Troubleshooting
Comprehensive user manual for the JURA ONO coffee machine. Learn how to operate, clean, descale, and troubleshoot your JURA ONO for optimal coffee enjoyment. Includes safety instructions and technical specifications.
Preview JURA W4 (EA/SA/INTA) Automatic Coffee Machine - Instructions for Use
Comprehensive instruction manual for the JURA W4 automatic coffee machine (models EA/SA/INTA). Learn about setup, operation, maintenance, cleaning, and troubleshooting for your JURA W4.
Preview Jura IMPRESSA Z5 Automatic Coffee Machine: Operating Instructions
Comprehensive guide for the Jura IMPRESSA Z5 automatic coffee machine, covering setup, operation, brewing, maintenance, cleaning, decalcifying, and troubleshooting.