Human Touch HT-Navitas Ascent Series Manuale utente
troubleshooting guide
HT-Navitas Ascent Series
©2016 Human Touch, LLC. All rights reserved.
March 11, 2016
HT-Navitas Troubleshooting Guide 1
HT-Navitas Ascent Series Troubleshooting
This Troubleshooting Guide walks you step-by-step through the
diagnosis of HT-Navitas Ascent Series 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. Verify that the chair has not been used for more than three
consecutive cycles. If it has, power off the chair and allow 30
minutes for 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 thermal protection is a safety feature.
2. Turn the power switch on the back of the chair base to Off, wait
approximately five seconds, then turn it back On.
3. Verify that the power switch LED lights to indicate that the chair is
receiving power. If it does not, see "Power" on page 3.
4. Verify that the problem still exists.
2HT-Navitas Troubleshooting Guide
5. If the problem still exists, choose from the following issues:,
To Troubleshoot This
Issue: Do the following:
My remote control is
not working properly
(error code 90).
If the remote screen does not display any
text, or displays the text abnormally,
replace the remote. IMPORTANT: this
requires a software update; you must send
the appropriate software update kit with the
remote.
If replacing the remote does not solve the
problem, replace the main PCB.
IMPORTANT: this requires a software
update; you must send the appropriate
software update kit with the PCB.
My backrest is not
massaging properly
(error codes E0,E4,
and E5)
Replace the massage mechanism, power
cable, and data cable.
If replacing the massage mechanism does
not solve the problem, replace the main
PCB. IMPORTANT: this requires a software
update; you must send the appropriate
software update kit with the PCB.
My backrest won’t
recline/incline (error
code E1)
Replace the backrest actuator.
If replacing the backrest actuator does not
solve the problem, replace the main PCB.
IMPORTANT: this requires a software
update; you must send the appropriate
software update kit with the PCB.
My shoulder, arm,
lower back, hip, seat
or foot air massage is
not working properly.
See “Air Massage” on page 4.
HT-Navitas Troubleshooting Guide 3
Power
Step 1: Check the power cord.
1. Verify that the power cord connection to the chair’s power panel is
secure and that the cord is not damaged.
2. If the power cord is damaged, replace the power cord.
Step 2: Check the wall outlet.
1. Plug a known working device, such as a lamp, into the AC outlet into
which the chair is plugged.
2. 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 Main PCB.
Step 4: Replace the chair.
My calf massager
won’t massage (error
codes E6, E7, E8).
Replace the calf massager.
If replacing the calf massager does not
solve the problem, replace the main PCB.
IMPORTANT: this requires a software
update; you must send the appropriate
software update kit with the PCB.
My foot-and-calf
massager won’t
deploy/retract (error
code E2).
See "Foot-and-Calf Massager Deployment"
on page 4.
My foot-and-calf
extension doesn’t
work (error code E3).
See "Foot-and-Calf Massager Deployment"
on page 4.
To Troubleshoot This
Issue: Do the following:
4HT-Navitas Troubleshooting Guide
Foot-and-Calf Massager Deployment
1. If the foot-and-calf massager will not raise or lower:
a. Replace the footrest actuator.
b. If replacing the footrest actuator does not resolve the problem,
replace the main PCB. IMPORTANT: this requires a software
update; you must send the appropriate software update kit with
the PCB.
2. If the foot-and-calf massager will not extend or retract:
a. Raise or lower the foot-and-calf massager slightly (this resets the
internal controls).
b. If this does not resolve the problem, replace the calf massager.
c. If replacing the calf massager does not resolve the problem,
replace the main PCB. IMPORTANT: this requires a software
update; you must send the appropriate software update kit with
the PCB.
Air Massage
1. If no air massage is working (shoulder, arm, lower back, seat, hip,
foot), replace the air pump.
2. If the shoulder massage is not working:
a. If the left-side shoulder massage is not working, replace air valve
kit #2 & #3.
b. If the right-side shoulder massage is not working, replace air
valve kit #1.
3. If the front arm air massage is not working:
a. If the left-side front arm air massage is not working, replace air
valve kit #2 & #3.
b. If the right-side front arm air massage is not working, replace air
valve kit #2.
4. If the rear arm air massage is not working:
a. If the left-side rear arm air massage is not working, replace air
valve kit #2 & #3.
b. If the right-side rear arm air massage is not working, replace air
valve kit #2.
5. If the lower back air massage is not working (either left or right side),
replace air valve kit #1.
6. If the seat air massage is not working, replace air valve kit #2 & #3.
7. If the hip air massage is not working:
HT-Navitas Troubleshooting Guide 5
a. If the left-side hip air massage is not working, replace air valve kit
#2.
b. If the right-side hip air massage is not working, replace air valve
kit #2 & #3.
8. If the foot air massage is not working, replace air valve kit #2.
Human Touch, LLC
3030 Walnut Ave.
Long Beach, CA 90807
humantouch.com
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