Human Touch HT-Ascent 4 Troubleshooting Manual

Brand: Human Touch

Model: HT-Ascent 4

Category: Massagers

Type: Troubleshooting Manual

This manual is also suitable for

HT-Navita

Getting Started

1) Verify that the chair has not been used for more than three consecutive cycles. If it has,

power off the chair for 30 minutes to allow the chair to cool down.

NOTE: If you run the chair continuously for more than three massage cycles, it may

shut down to protect the chair from overheating. This is a safety feature.

2) Power off the chair, wait a few seconds, then power it back on.

3) Verify that the power switch lights, which confirms that the chair is receiving power. If the

switch does not light, see Power for further instructions.

4) Select the issue that best describes the problem:

Remote Control

Air Massage

Foot/Calf Robotic

Massage

Backrest Robotic

Massage

Backrest Recline

Foot/Calf Position

What’s not working

properly?

What are the symptoms?

Here’s what to do:

Remote Control

(error code 90)

Screen is blank or

display is abnormal.

1) Make sure the remote is

securely plugged into the chair.

2) Replace the remote.

IMPORTANT: This requires a

software update; send the

appropriate software update kit

with the remote.

3) If the problem remains, replace

the main PCB. IMPORTANT:

This requires a software update;

send the appropriate software

update kit with the PCB.

Text displays normally

but the selected function

doesn’t work.

Refer to that function elsewhere in

this table.

What’s not working

properly?

What are the symptoms?

Here’s what to do:

Backrest Robotic

Massage

(error codes E0,

E4, and E5)

The backrest is not

massaging properly.

1) Replace the massage

mechanism, power cable, and

data cable.

2) If the problem remains, replace

the main PCB. IMPORTANT:

This requires a software update;

send the appropriate software

update kit with the PCB. If the

serial number is below J3215,

also send a remote.

Air Massage

No air massage is

working (backrest, seat,

arms, or foot/calf).

Replace the air pump.

The shoulder massage is

1) If the left-side shoulder massage

is not working, replace air valve

What’s not working

properly?

What are the symptoms?

Here’s what to do:

Air Massage

(cont.)

not working.

kit #2 and #3.

2) If the right-side shoulder

massage is not working, replace

air valve kit #1.

The front arm massage is

not working.

1) If the left-side front arm

massage is not working, replace

air valve kit #2 and #3.

2) If the right-side front arm

massage is working, replace air

valve kit #2.

The rear arm massage is

not working.

1) If the left-side rear arm massage

is not working, replace air valve

kit #2 and #3.

2) If the right-side rear arm

massage is working, replace air

What’s not working

properly?

What are the symptoms?

Here’s what to do:

Air Massage

(cont.)

valve kit #2.

The lower back air

massage is not working

(either side)

Replace air valve kit #1.

The seat massage is not

working.

Replace air valve kit #2 and #3.

The hip massage is not

working.

1) If the left-side hip massage is

not working, replace air valve kit

#2.

2) If the right-side hip massage is

not working, replace air valve kit

#2 and #3.

The foot air massage is

Replace air valve kit #2.

What’s not working

properly?

What are the symptoms?

Here’s what to do:

not working.

Backrest Recline

(error code E1)

The backrest will not

recline or incline.

1) Replace the backrest actuator.

2) If the problem remains, replace

the main PCB. IMPORTANT:

This requires a software update;

send the appropriate software

update kit with the PCB. If the

serial number is below J3215,

also send a remote.

Foot/Calf Robotic

Massage

(error code E6,

E7, E8)

The foot/calf massager

rollers are not

massaging.

1) Replace the foot/calf massager.

2) If the problem remains, replace

the main PCB. IMPORTANT:

This requires a software update;

send the appropriate software

update kit with the PCB. If the

What’s not working

properly?

What are the symptoms?

Here’s what to do:

serial number is below J3215,

also send a remote.

Foot/Calf Position

The foot/calf massager

will not raise/lower.

(error code E2)

1) Replace the footrest actuator.

2) If the problem remains, replace

the main PCB. IMPORTANT:

This requires a software update;

send the appropriate software

update kit with the PCB. If the

serial number is below J3215,

also send a remote.

The foot/calf massager

will not extend or retract

(error code E3)

1) Raise or lower the foot/calf

massager slightly (this resets the

internal controls).

2) If the problem remains, replace

the foot/calf massager.

What’s not working

properly?

What are the symptoms?

Here’s what to do:

3) If the problem remains, replace

the main PCB. IMPORTANT:

This requires a software update;

send the appropriate software

update kit with the PCB. If the

serial number is below J3215,

also send a remote.

Power

1) Check the power cord.

Make sure the power cord connection to the chair’s power panel on the rear of the

chair is secure and that the power cord is not damaged. If the cord is damaged,

replace it.

3) Check the wall outlet.

Plug a known working device into the outlet. If the device doesn’t work, the outlet is

likely defective. Plug the chair into a working outlet.

3) Replace the main PCB. IMPORTANT: This requires a software update; send the

appropriate software update kit with the PCB. If the serial number is below J3215, also

send a remote.

5-23-2016

Human Touch HT-Ascent 4 Troubleshooting Manual

Brand: Human Touch

Model: HT-Ascent 4

Category: Massagers

Type: Troubleshooting Manual

This manual is also suitable for

HT-Navita

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Human Touch HT-Ascent 4 Troubleshooting Manual

This manual is also suitable for

Human Touch HT-Ascent 4 Troubleshooting Manual

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