Osaki OP-4D Master Instruction Manual

Contents

• Important safety instructions

• Product parts

• Before use

• The controller instructions

• Operation guide

• After massage

• Cleaning and maintenance

• Q & A

• Troubleshooting

• Specification

Important safety instructions Must be followed

These safety instructions must be strictly followed in use to avoid personal injuries and property damage:

All the safety instructions are described in compliance with degrees of the injuries or damage as a result of wrong use.

Warning: Actions leading to cause serious injuries or death

Caution: Actions leading to cause minor injuries or property damage

Pay attention to the symbols before safety instructions (an example is given below).

• Actions that must be absolutely forbidden
• Actions that must be done

Warning

IMPORTANT SAFETY INSTRUCTIONS

When using an electrical appliance, basic precautions should always be followed, including the following: Read all instructions before using (this appliance).

DANGER-To reduce the risk of electric shock:

• Always unplug this appliance from the electrical outlet immediately after using and before cleaning.
• Never use pins or other metallic fasteners with this appliance.
• Carefully examine the covering before each use. Discard the appliance if the covering shows any sign of deterioration, such as checking, blistering or cracking.
• Keep Dry-Do not operate in a wet or moist condition.

WARNING-To reduce the risks of burns, fire, electric shock or injury to persons:

• An appliance should never be left unattended when plugged in. Unplug from outlet when not in use and before putting on or taking off parts.
• Close supervision is necessary when this appliance is used by, on, or near children, invalids, or disabled persons.
• Use this appliance only for its intended use as described in this manual. Do not use attachments not recommended by the manufacturer.
• Never operate this appliance if it has a damaged cord or plug, if it is not working properly, if it has been dropped, damaged or dropped into water. Return the appliance to a service center for examination and repair.
• Do not carry this appliance by supply cord or using cord as a handle.
• Keep the cord away from heated surfaces.
• Never operate the appliance with the air openings blocked. Keep the air openings free of lint, hair and the like.
• Never drop or insert any object into any opening.
• Do not use outdoors.
• Do not operate where aerosol (spray) products are being used or where oxygen is being administered.
• To disconnect, turn all controls to the off position then remove plug from outlet.
• Keep children away from extended foot support.
• Connect this appliance to a properly grounded outlet only. See Grounding Instructions.
• Use heated surfaces carefully. May cause serious burns. Do not use over insensitive skin areas or in the presence of poor circulation. The unattended use of heat by children or incapacitated persons may be dangerous.
• Do not operate under blanket or pillow. Excessive heating can occur and cause fire, electric shock or injury to persons.

SAVE THESE INSTRUCTIONS

Persons with the following conditions or under these medical treatments, should consult a physician before using this appliance.

Warning

• Persons with a pacemaker cannot use this product. The chair may cause an electronic malfunction to the medical device;
• Patients with malignant tumors;
• Patients with heart disease;
• Persons unable to feel or insensitive to heat on their skin such as a diabetic patient;
• Pregnant women or ones that have just given birth;
• Persons with poor blood circulation such as a diabetic patient;
• Osteoporosis patients, spinal fracture patients or persons with acute painful disease or injuries such as joint sprains or muscle strains;
• Persons with any injuries should not use this appliance;
• Persons with higher or lower body temperature, fever, inflammation, cold symptoms, high blood pressure or any poor health conditions should consult a physician before using this product;
• Avoid falling asleep in this chair;
• Any one with spinal or nerve conditions;
• Persons with protrusion of intervertebral disc;
• Do not wear loose clothing or jewelry as it might get caught with massage mechanism;
• Keep long hair away from moving massage mechanism while in use.

Otherwise discomfort or even physical injuries may occur.

If you feel unwell while using or after using the chair, stop immediately and contact your physician. Do not use the chair again unless approved by your doctor.

Must be followed Before operating or adjusting the chair, be sure that there are no obstructions that can cause damage to your chair. No pets or persons, near, in front or under the chair to avoid serious injury.

Before using the chair, lift up the backrest pad and check the middle cover area where the massage rollers travel up and down. Be sure the middle nylon cover is not unzipped and has no signs of damage or tear caused by the roller heads. Using the chair while the roller heads are exposed could cause physical injury and electrical shock.

When using the chair for the first time, it is recommended that you select the "Demo" mode to get familiar with various massage features of the chair.

Do not use the chair for more than 30 minutes each time.

Do not massage a single part of your body for more than 5 minutes.

Failing to follow these instructions, discomfort or even physical injuries may occur.

Must be followed After using the chair, it is recommended that the chair is unplugged from the power outlet to avoid any surges caused by outages. It is HIGHLY ADVISABLE TO ALWAYS USE A SURGE PROTECTOR. Keep children or minors from using the chair without supervision to avoid misuse that could result in serious injuries.

Follow the local code and regulations about use of electrical products.

Use a 110V-120V, 60Hz power supply. (Do not use the chair in a country this product is not designed for or connect it with a transformer.) It may lead to electrical shock, product failure or internal components overheating causing fire hazard.

Make sure the power cable is firmly plugged into the outlet to avoid power surges, short and electrical shocks. Electrical shocks may cause internal component overheating causing fire hazard.

Wipe and clean the power plug regularly with dry cloth to avoid dirt or moisture built up.

In the case of any abnormality with functions of the chair, stop using the chair immediately and pull out the power plug to avoid smoke, fires and electric shocks.

Abnormality and fault examples:

• If the chair is plugged in and the power switch is in the "ON" position and if the chair is not responding.
• When the chair is turned off but still operating.
• If you detect any burning smell or abnormal sounds.
• If you detect any parts of the upholstery that seemed to have melted due to over heating.

→In any of these listed issues have occurred STOP using the product and unplug from the power outlet. Have the product inspected by an authorized service center.

Do not put any cushions or obstructions between the backrest pad and the backrest. This may damage the mechanism and result in personal injury.

When moving or handling the chair, be sure to hold onto the recommended supported area. Otherwise parts of the chair may break resulting in serious injury.

Warning

People with the following health issues should NOT use this chair:

• Persons for whom massage is not advisable by doctors. Such as persons with thrombosis, serious aneurysm, acute venous aneurysm, various skin inflammations (such as subcutaneous tissue inflammation) or various skin infections. Otherwise it may aggravate or cause serious injury.
• Anyone with physical injuries or poor health should NOT use this product. Persons with acute lumbago, protrusion of intervertebral disc or displacement of a lumbar vertebra. Otherwise it may aggravate or cause serious injury.

• Do not put hands, arms or feet into the traveling massage mechanism while the chair is operating. Keep small children away from the chair. Climbing could result in falls that could lead to serious injuries.
• Do not climb onto the backrest or the armrests.
• Do not apply excessive pressure leaning back on the backrest.
• Keep your head away from reachable areas of the backrest and the back cover.
• Young persons or persons with physical disabilities that can not operate the chair on their own, should not use this product or without supervision. Anyone with weaken physical conditions should consult a doctor before using the chair.
• When massaging the neck area, pay attention to the intensity of the massage and make sure it does not hurt the neck muscles or nerves.

Do not damage the power cord.

• Do not damage, alter, bend, twist or use it with any extension cords. Do not place the power cord close to a heater. A damaged power cord may result in electric shocks, short circuit or fires.
• Please consult with the retailer/dealer from which you bought the product or a designated authorized service center about maintaining your power cord.

When engaging the heat function of massage wheels, avoid prolong contact with the skin in one position. Otherwise low-heat burns may occur. Even if the temperature is relatively lower at 40 °C~60°C, low-heat burns may happen in spite of no obvious hot or painful sensation.

Wet-hand operation forbidden Do not insert or pull out the power plug when your hands are wet. Otherwise electric shocks may happen.

Disassembly forbidden Do not refit, disassemble or repair the product without the help of an authorized service provider. Otherwise fires, abnormal movements or personal injuries may happen.

Caution

The following persons (even if they are physically healthy at present) should consult a physician before using the product.

• Persons with muscular atrophy due to old age or below normal weight;
• Persons feeling lumbago with pain in the muscles and joints of the lower back;
• Persons suffer from sprains or bruising easily;
• Persons with motion sicknesss;
• Persons who received a heart operation or another vascular operation. It may cause serious injury if not addressed properly. Otherwise it may aggravate or cause serious injury.

Before sitting on the product, make sure there is no foreign objects between any two parts of the chair. (Make sure there are no foreign objects on the back cover, the backrest, the seat surface, the lower leg/foot massage section or inside surface of the back cushion.) Otherwise accidents, injuries or product faults caused by clamping of hands, feet or other articles may occur.

Before sitting on the seat, make sure the massage wheels are in the retracted positions.

Turn off the massage function before you get off the chair.

When the lower leg/foot massage section is not retracting after the massage, retract the footrest with the remote button.

Must be followed When unplugging the chair, always hold onto the plug and not the cord to avoid damaging the power cord. Damaged cord could result in shock and serious injuries.

Before moving the chair, be sure the backrest is up and the footrest is retracted in default positions. Otherwise injuries may happen.

When moving the product by dolly, lay mats on the floor to avoid markings or damage to the floor. Do not roll the chair on engineered wood or soft wood floorings. Otherwise marks and damage may occur.

Keep the safety lock key.

Keep children away the remote control.

Before moving the chair, make sure there are no obstructions around. If lifting is required, make sure to lift from the steel frame of the chair. Be sure to maintain good balance or the heavy chair could tip and fall on the movers, causing serious injuries.

Symptoms such as skin inflammation, itching or swelling when using the chair, stop the using the product immediately and consult a physician.

Do not use the product with other electrical devices at the same time, such as heating blanket.

Do not place your hands, arms, feet or any parts of your body to massage area that are not designed for the body parts to avoid discomfort or injuries.

Do not put the knees between the calf massager. This may cause serious injury.

Do not fall asleep while using the product.

Do not use the product after drinking alcohol.

If the airbag on the seat is not completely deflated, do not stand or jump on the seat or put things on it. It could risk puncture.

Forbidden

Caution

• Do not put hands or feet between footrest and seat base.
• Do not put hands or feet between footrest and side panel.
• Do not put hands or feet between seat base and side panel.
• Do not put hands or feet between the upper and the lower part of the footrest.
• Do not put hands or feet in the gap of seat base.
• Do not put pets on the massage chair.
• Do not pull out the power plug or turn off the power switch suddenly during massage operation.
• Do not stand or sit on the back cover. The chair may topple.
• Do not stand or sit on the armrests.
• Do not stand or sit on the lower leg/foot massage section or the footrest.
• Do not drag or push the product after it is installed.
• Do not move the product while there is a person sitting on it.
• Do not use the product with other heating devices such as electric blankets. Otherwise fires may occur due to overheating.
• Do not leave the remote controller on the seat, always return it to its holder.

If there is any foreign objects between the backrest and the backrest pad, stop using the chair and turn off. Remove the foreign object and make sure the chair is operating properly before using again.

Wet-hand contact forbidden Do not insert or pull out the power plug when your hands are wet. Otherwise electric shocks may happen.

Product wetting forbidden Do not place this chair in locations with high humidity such as the bathroom. Moisture will destroy electrical components resulting in product failure or worst, electrical shock and other serious injuries.

Do not use any liquid aerosol sprays around the chair. Otherwise electric shocks, short circuit or product failure may happen.

Pull out the power plug Before cleaning or maintaining the product, always unplug the power cord.

In the case of a power failure, pull out the power plug at once. It is highly recommended to plug chair into a surge protector to protect the chair from shorting during outages.

When the product is not in used, pull out the power plug.

GROUNDING INSTRUCTIONS

This product must be grounded. If it should malfunction or break down, grounding provides a path of least resistance for the electric current to reduce the risk of electric shock. This product is equipped with a cord with an equipment-grounding conductor and a grounding plug. The plug must be plugged into an appropriate outlet that is properly installed and grounded in accordance with all local codes and ordinances.

Danger-Improper connection of the equipment-grounding conductor can result in a risk of electric shock. Check with a qualified electrician or serviceman if you are in doubt as to whether the product is properly grounded. Do not modify the plug provided with the product - if it will not fit the outlet, have a proper outlet installed by a qualified electrician.

Diagram showing a grounding pin, a grounded outlet, and a grounded outlet box.

Product Parts

The Osaki OP-4D Master massage chair has the following parts:

• Pillow
• Back cushion
• Shortcut keys
• Armrest
• Seat pad
• Side panel
• Footrest
• Voice Control Speaker & Mic
• Controller
• Muscle Tension Monitor
• Wireless charge
• Side panel

Product Parts: Air Bags Massage Position

The massage chair utilizes air bags for massage in various positions:

• 10 Air bags (Shoulder & Neck)
• 4 Air bags (Mechanism)
• 12 Air bags (Armrest & Seat side)
• 20 Air bags (Footrest)

Before use: Chair Installation

Footrest Installation

1. Connect the air connector A2 (on the legrest) and A1 (on the main unit).
2. Connect the electrical connector B1 (on the legrest) and B2 (on the main unit).

Diagram showing the connection of air connectors A1 and A2, and electrical connectors B1 and B2 between the legrest and the main unit.

3. Align the hole C2 (on the legrest) to the shaft C1 (on the main unit). Let H1 pass through H2. Lock the shafts with the circlips provided.

Diagram showing the alignment of hole C2 with shaft C1 and the insertion of H1 through H2, secured by circlips.

4. Zip the zipper connecting legrest and seat cushion.
5. Installation completed.

Installation position

• Make sure there is enough space to recline the chair and for the user to get in and out of the chair freely. PLEASE MAKE SURE TO USE A MAT OR RUG UNDER CHAIR IF YOU PLACE THE CHAIR ON TOP OF A HARD SURFACE LIKE HARWOOD AND CERAMIC FLOORS.

Diagram illustrating the required space around the chair, showing dimensions of 18.1 inches and approximately 81.5 inches when reclined, with 2 inches clearance at the top. It also indicates the mat's area in contact with the floor and the product's area in contact with the floor.

• Do not expose the product directly under the sunlight or in a high-temperature place (e.g., in front of heating equipment or by a window where sunlight can cause the synthetic leather fade, melt or crack.)
• Place a mat below the product to avoid floor damage. The mat should cover the product's area in contact with the floor and the footrest's area in contact with the floor (minimum dimensions: 63"x31.5"). See the figure.
• Install the product close to a power socket.

Check the space around the product.

Make sure there is no person, pet or other object close to the product.

Make sure there is no foreign objects in the seams of the product.

Diagram highlighting areas to check for foreign objects: Backrest, Seat surface, Inside of the back cushion, and Lower Leg/Foot massage section.

Caution

• Do not put hands or feet between footrest and seat base.
• Do not put hands or feet between footrest and side panel.
• Do not put hands or feet between seat base and side panel.
• Do not put hands or feet between upper and lower part of the footrest.
• Do not put hands or feet in the gap of seat base. Otherwise injuries may happen.

Inspect the power line and power plug

Warning

• Inspect the power cord of dirt or dust that may have collected. Be sure the cord is kept clean and with NO visible damage. Otherwise the lint and dust may lead to an electrical fire. Wipe down the plug with dry cloth.
• Do not damage the power line or the power plug. Do not bend or twist the power cord for any reasons.
• Do not place the power cable under heavy objects such as the chair itself. Keep the power cord away from any heating sources such as the heater vents, motors and anything that may generate heat.
• A damaged power line or power plug may result in electric shocks, short circuits or fires.
• Please consult the shop you bought the product or an authorized service center about maintenance method of the power line or the power plug.

Image indicating to ensure the powerline is untangled and the plug is fully inserted.

Power on the product

1. Insert the power plug into the power socket.
2. Turn the switch to the "I" (ON) position to activate the chair.

Warning

• Be sure the power cord is firmly and completely inserted into the power outlet. Otherwise electrical shocks or fires may occur because of overheating or power shorts.
• Abide by the regulations on use of the socket and the wiring devices strictly.
• Use a 110-120V~, 50/60Hz power supply. (Do not use the product in a foreign country or connect it with a transformer without permission.) Otherwise electric shocks, product faults or fires because of overheat may happen.
• Do not insert or pull out the power plug with wet hands. Otherwise an electric shock may happen.

Diagram showing power plug insertion and switch activation.

Before use (Continued)

Make sure the massage wheels are retracted

Check the position of the massage wheels. If the rollers are not at the top of the backrest in the retracted position, press the "ON" button to bring them back to the default position.

Diagram showing a check of the massage wheels' position.

Make sure the fabric is not damaged nor cracked

Inspect the synthetic leather portion in which the massaging rollers travel along the backrest. Be sure there is no damage or unusual wear.

Warning

Before use, raise the back cushion and check whether fabrics lining pointed out in the figure are undamaged. (Even if the fabric is slightly damaged, stop using the product immediately. Pull out the power plug and send notify the manufacturer for a replacement cover.) If the product is used when there is fabric damage, you may get injured or get an electric shock.

Diagram showing a check of the fabric lining and a warning about a minimum distance of 80mm between the arm and the wireless charger when using the massage chair.