Safety Precautions
Warning Notes
Contents that may cause death or serious injury if used incorrectly.
Notice Notes
Contents that may cause personal injury or damage to articles if used incorrectly.
Precautions Before Use
In the event of gas leakage, do not touch the machine or leaky circuit breaker; open the window for ventilation to prevent explosion.
Do not use flammable objects near the machine to prevent fire.
Do not step on the machine, hang, or place heavy objects on it to prevent damage or personal injury.
Do not insert fingers or rods into the heat dissipation port to prevent personal injury or affect heat dissipation.
Do not touch electrical parts or switches with wet hands to prevent electric shock.
Children should be supervised to ensure they do not play with the machine.
Electrical Safety Matters
- Entrust an electrical construction unit to connect the ground wire to prevent electric shock.
- The power supply must be consistent with the nameplate. Sharing with other appliances may cause fire.
- The power cord must not be damaged, broken, processed, bundled, stretched, bent, or twisted to prevent electric shock or fire.
- Do not spill water directly on the machine to prevent electric shock.
- If the supply cord is damaged, it must be replaced by the manufacturer, its service agent, or similarly qualified persons.
Installation Precautions
- When assembling and disassembling parts, turn off the control power switch to prevent personal injury.
- Disinfect hands and fingers during operation to prevent health risks.
Use Environment (Conditions)
Place the machine on a level and firm ground to prevent toppling, noise, and excessive vibration.
Do not use in places with high humidity or where it will get wet with water to prevent short circuits.
Do not use in places with sulfuric acid (e.g., hot springs) or high salt content (e.g., near a bay) to prevent internal corrosion and machine failure.
Place the machine in a well-ventilated area. Do not place items on the top cover. Ensure a space of more than 1m on the left, right, and rear sides for proper heat dissipation and production capacity.
Avoid direct sunlight or proximity to heating appliances. Operate the machine between 5~38℃.
Storage Instructions
When not in use for a long time, unplug the power plug to prolong power cord life.
If the machine is abnormal or malfunctioning, turn off the power switch.
In temperatures below 0°C, ensure proper drainage to prevent water leakage.
Carefully dry water in the hopper and freezing cylinder, then replace hopper lid for storage.
Disassemble parts to the smallest unit and keep them clean to prolong service life.
Product Overview
Product Schematic
Diagram shows the main external components of the ice cream machine, including:
- Hopper: Top container for raw materials.
- Power Switch: Main control for turning the machine on/off.
- External Egg Cone Holder: Side attachment for holding ice cream cones.
- Hopper Lid: Covers the hopper.
- Control Panel: Front interface for operation and settings.
- Water Outlet Valve: For draining water.
- Drip Tray: Collects drips below the discharge area.
- Machine Foot: Base support.
Internal Components (Exploded View)
Diagram illustrates disassembled internal parts and seals:
- Puffing Poles: Inner and Outer puffing poles (for plastic hopper only), each with corresponding seals.
- Seals: Wave shape seals, Spout seals for water outlet valve, Seals for valve pole, "I" shape seals, "I" valve pole, Corrugated seal ring (x2), I-shaped seal ring (x1), O-shaped seal ring (x4), D-shaped seal ring (x2).
- Valve Assembly: Valve pole, Pin for handle, Handle, Water outlet valve, Long and Short plastic fasten screws for water outlet valve, Lid of water outlet valve, Flower shape model.
- Beater: Component for mixing and freezing.
- Discharge Port: With cover (x2).
- Other Parts: Magic cap (x3), External cone holder (x1), Toothed belt (x1).
Product Specifications
Model No. | BJH288SR1B-Z | BJH288SR2JB-Y |
---|---|---|
Refrigerating Capacity | 22-30L/H | 22-30L/H |
Rated Current | 10A | 11A |
Refrigerating | R410A\550g | R410A\550g; R134a\90g |
Climate Type | SN/N/ST | SN/N/ST |
Rated Input Power | 2200W | 2350W |
Net Weight | 85KG | 92KG |
Rated Voltage | AC220-240V/50Hz | AC220-240V/50Hz |
Dimensions | 745×540×860mm | 745×540×860mm |
Foam Material | Cyclopentane | Cyclopentane |
Electric Schematic
Two electrical schematics are provided, one for model BJH288SR1B-Z
and one for BJH288SR2JB-Y
. Both diagrams illustrate the internal wiring and connections of key electrical components, including:
- Power Input: Connection point for electrical supply.
- Compressor: Main refrigeration unit.
- Solenoid Valve: Controls refrigerant flow.
- Starting Capacitance: For motor startup.
- Transformer: Adjusts voltage levels.
- Power Switch: Controls power to the machine.
- PCBA (Printed Circuit Board Assembly): Main control board.
- Mixing Motor: Drives the agitator.
- Valves: Refrigeration valve, Precooling valve, Fresh keeping valve, Thawing valve.
- Temperature Probes: Ambient temperature probe, Return air temperature probe, Precooling temperature probe.
- MCU (Microcontroller Unit): Central processing unit.
- Download Port: For software updates or diagnostics.
- Display Interface: Connects to the LCD display.
- Speed Sensor: Monitors motor speed (present in BJH288SR2JB-Y).
- Discharge Switch: Controls the dispensing mechanism.
The schematics show the interconnections between these components, indicating the flow of power and control signals within the ice cream machine.
Installation Notes
Before installing parts, clean them according to the "Cleaning Method of Parts" section.
Assembly of Valve Pole
Install O-rings and sealing rings on the two types of feeding rods. Apply a little lubricant to the head of the I-shaped sealing ring during assembly.
Assembly of the Agitator
- Apply lubricant to both ends of the wave-shaped sealing ring.
- Install the corrugated sealing ring directly.
- Insert the agitator into the freezing cylinder, slowly rotating by hand to align its square head with the reducer's square interface.
Assembly of Discharge Door
- Install the valve pole in the three chutes of the discharge door, with the I-shaped feeding rod in the middle. The plum-shaped molding head goes into the slot below the chute (lubricant can be applied to the valve pole's front end).
- After valve pole installation, insert the boss at the front of the handle into the valve pole's groove. Pass the handle cross-pin through the cross-pin hole in the discharge door.
- Install the discharge door D-shaped sealing ring and the small cover in their corresponding grooves.
- Lift the punching switch board, pass the discharge door through the four plastic head fixing bolts, and evenly and diagonally fasten the four plastic screws according to the long screws on top and short screws on bottom.
Assembly of the Puffing Pole
- Install corresponding sealing rings on the outer and inner rods of the puffing pole.
- Apply food lubricant on the inner rod, then twist the inner puffing pole clockwise into the outer rod (note the distinction between the two puffing poles).
Operation Guide
Name and Functions of Operating Parts
Except for the SET
button, other buttons can be pressed with a firm tick. To prevent malfunction, press the STOP
button before switching between functions. For safety, other buttons cannot be operated without the discharge door installed.
STOP
: Stops the machine.WASH
: Enters cleaning mode.FREEZE
: Enters cooling mode.KEEP FRESH
: Enters fresh-keeping mode.SET
: Enters parameter setting mode.HARD/SOFT
: Adjusts parameters in setting mode.UNFREEZE
: Enters defrost mode (BJH288SR2JB-Y
model only).
Detailed Explanation of LCD Display
Display Shows | Contents |
---|---|
Clean (with rotating symbol) | Machine is in cleaning state. Only the agitator rotates. Add water to hopper to clean refrigeration cylinder. |
Standby (with pulsing symbol) | Machine is in standby mode. Long press SET button to configure performance and other operations. |
-88℃ Temp | Displays return air pipe temperature. Machine alarms if temperature is below -25°C (does not affect performance). |
Cone 88 | Total number of cones made. Recorded when handle pushes up punching plate and touches internal micro switch. |
hopper 88% (with strobe) | Upper temperature display indicates hopper temperature. Strobe indicates machine is out of material. |
Countdow 00 | Minutes left until next automatic cooling after material forming and machine stops. Refrigeration can be manually turned on or starts automatically after feeding. |
88% Ratio | During normal refrigeration, displays molding percentage. In setting state, displays current shift. At 99%, material is formed; machine stops automatically after a period. |
Cool (with snowflake symbol) | Machine is in cooling state. At 99%, material is formed; machine stops automatically after a period. |
pre-cooling Cool (with snowflake symbol) | Machine is in a fresh state. Cooling cylinder and sump are cooled. |
Clean (with heating symbol) | Machine is in defrosted state. Cooling cylinder is heated. |
Operation Process
Preparation of Raw Materials
NOTE: Before adding ingredients, ensure no residual water in the freezing cylinder from cleaning.
- Pull down the handle, and pour a small amount of raw materials into the hopper when the valve pole is raised.
- Water will flow out of the discharge port. Turn the handle upward and slide the valve pole down once raw material flows out.
- Use special ice cream powder or slurry. For powder, strictly follow packaging ratio (e.g., 1 kg powder with 2.5-3 kg pure water). Stir evenly, let stand for 5 minutes before pouring into hopper.
Raw Material Filling
- Do not insert the puffing rod before pouring. Pour about 6 liters (max 8 liters) of ice cream ingredients into the two hoppers, then press the
WASH
button. - If raw material is put into the hopper without air bubbles, adjust the puffing pole to the closed position and insert into the feeding hole.
- Pull down the middle handle (valve pole rises), measure 400cc of raw material from the measuring cup in the material tank, pour it back into the material hopper, and cover. Use a cleaned and disinfected measuring cup.
Parameter Setting
- Hardness Adjustment: In standby, press and hold
SET
for 5 seconds. The digital tube at the shift position flashes and98
appears. UseHARD/SOFT
to adjust hardness (shift 1-12). If too hard, ice cream may not dispense. - Cup Count Record Clear: In hardness adjustment state, press and hold
SET
for 5 seconds. The four-digit number at the cup count flashes andcone
lights up. Press and holdSOFT
for 5 seconds to reset cup count to zero. - Stop Time Adjustment: In cup count clear state, press and hold
SET
for 5 seconds. The four-digit number at the stop time flashes andCountdown
lights up. Adjust stop time (1-15 minutes, factory default 5 minutes) withHARD/SOFT
. - Pre-cooling and Fresh-keeping Temperature Setting: In stop time adjustment state, press and hold
SET
for 5 seconds. Adjust temperature (1-15°C, factory default 10°C) withHARD/SOFT
.
Making Ice Cream
- Connect machine to power, turn on. Fill hopper with drinking water (boiling water for sterilization first time). Press
WASH
for ~2 minutes. Discharge all water. Repeat cleaning 2-3 times until water is clean. - Use ice cream whey or powder mixed with water (1kg powder to 2.5-3kg water). Mix and let stand for ~30 minutes.
- Confirm cleaning water is drained. Pour prepared ice cream into hopper (avoid agglomeration). Press
WASH
(~1 minute) to make ingredients uniform. PressFREEZE
to enter cooling mode. Ensure both hoppers are full (not below feeding port) to prevent material shortage alarm or machine damage. - During production, display shows cooling mode. Ice cream forms at >80% molding ratio. Machine automatically stops at 99%.
- To dispense: Place cone/cup under discharge port, press handle, rotate cone.
Remaining Ingredients to Keep Fresh
Store unused raw materials in freezer/refrigerator or use the machine's KEEP FRESH
function.
Freezing Cylinder Solid Ice Cream Thawing (Model BJH288SR2JB-Y
only)
- Before cleaning, if solid ice cream is in the cylinder, press
UNFREEZE
to melt it for easy removal. - If cylinder freezes due to high shift level or incorrect raw material proportion (alarm
55
), pressUNFREEZE
to quickly resolve and resume normal operation.
Cleaning and Maintenance
How to Clean the Spare Part
- Clean spare parts with food detergent and cleaning brush before first use or after long periods of disuse.
- Do not damage or lose parts.
- Do not wash resin parts with hot water or in a dishwasher to prevent deformation.
- Do not soak parts in detergent or bactericidal solution for more than 30 minutes to prevent deterioration.
Carefully clean spare parts prone to accumulating residual material with a soft brush. Pay attention to sharp edges and the middle part of the beater.
How to Clean Ice Cream Machine
- Use food detergent to clean parts (refer to "Parts cleaning method").
- Install cleaned parts on the machine (refer to "Installation Instructions").
- Turn on control power switch; machine enters standby.
After assembly, do not press any switches without adding water or raw materials to the material basin to prevent malfunction.
- Inject appropriate food detergent and water into the hopper. Press
WASH
; agitator rotates. Wash for 3-5 minutes. - Drain cleaning water by pressing down the three handles. Catch water with a bucket. Repeat cleaning 2-4 times (do not reuse dirty water).
Ice Cream Machine Maintenance Methods
Discharger Outlet
Wipe and sterilize the discharger thoroughly with disinfectant.
- Spray disinfectant 3-5 times to flush sticking ice cream.
- Use a paper towel with disinfectant to wipe the discharger.
- Visually confirm no residual material; repeat cleaning if necessary.
- Spray disinfectant 3-5 times again.
Ice Cream Machine Body
- Disassemble and clean every two weeks. Discard remaining raw materials.
- After disassembling and cleaning, assemble parts and wash in hot water for five minutes for sterilization.
- Wipe with a dry, soft cloth. For serious pollution, use food detergent in warm water.
- Do not use polish, gasoline, natural water, or hot water on the outer packing to prevent damage.
- Never spill water directly on the machine to prevent electricity leakage or accidents.
- Check power cord once or twice a month for damage.
Clean Condenser
Clean the condenser every three months (or monthly in bad environments) to prevent dust accumulation and maintain cooling efficiency. Turn off power before cleaning; be careful not to damage fins.
Belt Adjustment
If the driving belt of the stirring system elongates over time, adjust its tension. With power off, open the side panel and adjust the elastic screw. Replace worn belts as needed. Elongated belts can cause machine malfunction, hardness changes, and noise.
Reducer Fueling
Add lubricating oil to the reducer every 6 months to prevent wear and noise.
Troubleshooting Instructions
This section provides solutions for common issues. For complex problems, professional assistance may be required.
Fault | Cause Analysis Summary | Troubleshooting Steps Summary |
---|---|---|
No display after power on | Power switch off, input cable issue, wiring damage (e.g., rats), faulty PCB. | Turn on switch, check/replace cables, professional repair. |
Power switch trip after startup | Insufficient load capacity, damaged circuit, machine overloaded, voltage instability, internal short circuit. | Check load, repair circuit, reduce shift, inspect/process voltage, professional repair. |
Leakage after turn on | Poor grounding, D seals not fixed, worn O-ring, loose fastening screw, incorrect valve pole assembly. | Add grounding, check/fix seals, tighten screws, reassemble valve pole with lubricant. |
No ice cream or too soft after shutdown | Handle not in place, first cup issue, incorrect gear setting, long standby time, faulty feeding switch. | Adjust habits, adjust gears, adjust standby time, replace feeding switch. |
Blender won't pull out | Water not released, no feeding/water, beater swollen/stuck due to soaking or friction. | Release water, run clean button, professional repair. |
Alarm of lack of material | Hopper empty, foam material, material present but alarm persists. | Add material, press clean for 5 mins, contact technician. |
LL alarm | Sensor problem (magnet, misalignment, cable), pulley shaken, reducer damaged. | Check/adjust sensor, tighten pulley screws, professional repair. |
88 alarm | Hopper short of material, wrong water to powder ratio, high shift setting, high ambient temp/blocked air inlet/outlet, poor cooling. | Add material, adjust water ratio, lower shift, improve ventilation, clean condenser. |
55 alarm | Belt worn/slipped, cylinder freezing, reducer rotation issue, motor not rotating/slow, faulty sensor/connection. | Adjust belt tension, reduce water ratio/shift, replace reducer, professional repair for motor/sensor. |
Reaches "99%" quickly | Unstable voltage, beater stuck, low motor speed. | Check/install regulator, burnish beater, professional repair for motor. |
Cannot stop automatically after reaches "99%" | Belt wear, micro switch fault, electric main board issue. | Replace belt, check/reset micro switch, replace main board. |
Cannot reach "99%" | Improper hardness level, unreasonable formula, bad ventilation/blocked air intake, unstable voltage/insufficient power, bad cooling (no material/frosting). | Adjust hardness, increase water proportion, improve ventilation, adjust voltage/regulator, check for refrigerant leakage, clean/replace fan. |
"HH" alarm | Compressor pressure abnormal. | Clean/replace fan. |
"UH" alarm | Voltage over-high. | Adjust voltage or increase 6KW regulator. |
"UL" alarm | Voltage over-lower. | Adjust voltage or increase 6KW regulator. |
"RL" alarm | Temperature below -35°C or temp. sensor break up. | Check operating habits. |
"RH" alarm | Temperature above 60°C or temp. sensor short-circuit. | Check operating habits. |
FCC Warnings
This device complies with Part 15 of the FCC Rules. Operation is subject to two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.