Human Touch ThermoStretch HT-7120 Manual de usuario

August 28, 2008

Please forward any questions or comments regarding this Troubleshooting Guide to

[email protected].

HT-7120 Troubleshooting Guide 1

HT-7120 Troubleshooting

This Troubleshooting Guide walks you step-by-step through the

diagnosis of HT-7120 customer problems. It is important to follow

these steps carefully, to ensure that the problem is diagnosed

correctly, and therefore the appropriate repair action is taken.

Getting Started

1. Turn the power switch on the back of the chair to Off, wait

approximately five seconds, then turn it back On. Verify that the

problem still exists.

2. If there is no movement on the chair when you power it on (the

backrest massage mechanism and the foot and calf massager

paddles do not move), see "Power" on page 3.

3. Wait 30 seconds while a system check is performed, then check

to see if any of the following are true:

• The Rolling LED is flashing—This means the elevation motor is

not operating correctly. Replace the massage mechanism.

• The Width lights are flashing—This means the kneading motor

is not operating correctly. Replace the massage mechanism.

• The foot and calf massager paddles did not move during the

system check and the foot and calf massager LEDs on the

remote control are all flashing—This means the foot and calf

massager motor is not operating correctly. Replace the foot and

calf massager.

2HT-7120 Troubleshooting Guide

• The foot and calf massager paddles moved during the system

check but then all foot and calf massager LEDs on the remote

control began flashing and/or the two end Width LEDs on the foot

and calf massager began blinking—This means that either the

foot and calf massager motor sensor is not operating correctly or

there is a broken wire connecting the foot and calf massager to

the backrest. Replace the foot and calf massager.

4. Choose from the following:

To Troubleshoot This

Issue Do the following:

My remote control is

not working

If one or more remote control LEDs do not light,

but the function the button controls works

properly, the remote control is not working

properly. Verify that the remote control cable

connection to the backrest cover is secure.

Replace the remote.

If the remote control LED lights but the function it

controls is not working properly, the problem is

most likely in one of the components controlled

by the remote, not in the remote itself. See

"Massage Functions" on page 4 for further

diagnosis.

My chair is not

massaging properly

See "Massage Functions" on page 4.

My foot and calf

massager is not

working

See "Foot and Calf Massager" on page 5.

My chair won’t

recline/incline

Make sure you are pressing and holding the

recline/incline button for at least five seconds; it

can take several seconds to activate the actuator.

If this does not help, the backrest actuator is not

working properly. Replace the backrest actuator.

My Massage/Comfort

control isn’t working

Place your hand on the front left or right side of

the backrest while adjusting the Massage

Comfort Control. If the air bags are not inflating or

deflating, check the tubing that connects the air

pump to the backrest for kinks. If there is a kink,

cut the kinked portion of the tubing off, then

reconnect the tubing to the fitting. If this does not

solve the problem, the air pump is not working.

Replace the air pump.

HT-7120 Troubleshooting Guide 3

Power

Step 1: Check the power cord

Verify that the power cord connection to the power panel is secure, and

that the cord is not damaged. If the power cord is damaged, replace the

backrest cover.

IMPORTANT

Be sure to note the serial number on the power panel, and

instruct the customer to note it as well. Once the power panel is

replaced, the chair will no longer contain the serial number on

the power panel.

Step 2: Check the wall outlet

Plug a different device into the AC outlet into which the chair is plugged.

If the device does not work (is not receiving power), the AC outlet is

most likely not working. Plug the chair into a different AC outlet to verify

that it receives power.

Step 3: Replace the AC Outlet Fuse

The AC outlet fuse is the right of the two fuses, located on the power

panel.

To replace the fuse:

1. Turn the power switch to OFF and unplug the chair from the wall

outlet.

2. Using a small screwdriver or a coin, turn the fuse holder (located on

the power panel) approximately 1/8 turn counter-clockwise.

The fuse holder pops out.

3. Replace it with a new fuse of the same rating.

My chair won’t swivel

or the pedestal is

broken.

Replace the chair.

My convenience outlet

doesn’t work.

See "Convenience Outlet" on page 6.

To Troubleshoot This

Issue Do the following:

4HT-7120 Troubleshooting Guide

4. Reinsert the fuse holder into the power panel, then turn it 1/8 turn

clockwise to secure it.

5. Plug the chair back into the wall outlet and turn it on.

6. Verify that the chair is now receiving power.

Step 4: Replace the main PCB

An electrical surge may have bypassed the fuse and damaged the main

PCB. Replace the main PCB. If this does not solve the problem, there is

likely a pinched wire in the backrest. Replace the backrest.

IMPORTANT

If you replace the backrest, be sure to note the serial number

on the backrest cover. Once the backrest is replaced, the chair

will no longer contain the serial number.

Massage Functions

Follow the steps in this section to troubleshoot massage functions that

are not working properly.

1. Choose from the following:

To Troubleshoot This

Issue: Do the Following:

My Percussion/

Compression massage

is not working

If the Percussion and Compression massages are

not working, and the Width LEDs are flashing, the

percussion motor is not working properly.

Replace the massage mechanism.

If one massage roller is protruding further from

the backrest than the other roller, or the massage

rollers feel “wobbly,” the massage mechanism

was likely damaged during shipping. Replace the

massage mechanism.

My Kneading massage

is not working

Press the Kneading button on the remote control.

If the kneading massage works for approximately

30 seconds then stops, the kneading motor

sensor is not working properly. Replace the

massage mechanism.

My Rolling button is

not working

Press the Rolling button on the remote control. If

the rolling massage works for approximately 30

seconds then stops, the rolling motor sensor is

not working properly. Replace the massage

mechanism.

HT-7120 Troubleshooting Guide 5

Heater

Follow the steps in this section if the heater is not working, but all other

chair functions are working properly.

IMPORTANT

The heater heats slowly, taking at least five minutes to warm

up.

1. Press the Heat button on the remote control.

2. Watch the remote control timer until it counts down at least five

minutes.

3. Check the left and right sides of the backrest to determine if either

side feels warm.

4. If either side does not feel warm, replace the backrest.

Foot and Calf Massager

The foot and calf massager hesitates when changing

directions:

This is due to the gears shifting, and is perfectly normal.

The foot and calf massager width adjustment does not

seem to be working:

The foot and calf massager width adjustment is subtle; therefore the

difference between the settings may not be visually noticeable.

You must press and hold the width buttons to adjust the width setting.

Some LEDs may not light as the width is adjusted to the new setting,

however when you release the width button the LEDs indicate the

current setting.

My Heat button

doesn’t work

Go to "Heater" on page 5.

My Stretch button is

not working.

Make sure you are pressing and holding the

Stretch button until the chair beeps twice (it

takes several seconds for the chair to prepare for

the Stretch function).

To Troubleshoot This

Issue: Do the Following:

6HT-7120 Troubleshooting Guide

The foot and calf massager will not deploy or retract:

1. Make sure the electric footrest lever is being pulled up or pushed

down long enough for the foot and calf massager to shift into gear (it

takes a few seconds).

2. Pull up and then push down on the electric footrest lever, located on

the right-hand side of the chair, and listen carefully for a clicking

sound.

3. Do one of the following:

• If you do not hear a clicking sound, the electric footrest switch

has failed. Replace the footrest lever.

• If you hear a clicking sound and the foot and calf massager

actuator is not making any sound, the foot and calf massage

actuator is not working properly. Replace the foot and calf

massager actuator.

• If you hear a clicking sound and the foot and calf massager

actuator is making a humming sound, the foot and calf massager

bracket may have been pushed up into the chair seat. This can

be corrected by removing the foot and calf actuator, allowing the

bracket to swing down into the proper position, then reinstalling

the actuator. See repair instruction sheet “Replacing the Foot

and Calf Massager Actuator” for instructions. If this procedure

does not resolve the problem, replace the foot and calf massager

actuator.

Convenience Outlet

NOTE

This section pertains to 120-volt products only; 230-volt

products do not contain convenience outlets.

The convenience outlet fuse is the left of the two fuses, located on the

bottom of the power panel.

1. Verify that the device being plugged into the convenience outlet

does not draw more than 1 Amp of power. (If it does, it cannot be

plugged into the convenience outlet as it will blow the fuse).

2. Verify that the device being plugged into the convenience outlet

works when plugged into a wall outlet.

3. Turn the power switch to OFF and unplug the chair from the wall

outlet.

HT-7120 Troubleshooting Guide 7

4. Using a small screwdriver or a coin, turn the fuse holder (located on

the power panel) approximately 1/8 turn counter-clockwise.

The fuse holder pops out.

5. Replace the fuse with a new fuse of the same value.

6. Reinsert the fuse holder into the power panel, then turn it 1/8 turn

clockwise to secure it.

7. Plug the chair back into the wall outlet and turn it on.

8. If the convenience outlet is still not receiving power, replace the

backrest cover.

Human Touch, LLC

3030 Walnut Ave.

Long Beach, CA 90807

humantouch.com

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