Clair Chair Troubleshooting
Defective Part
Symptom Check Point Possible Cause Solution
Error sounds continuously as " Do ... Do... Do... " > Defective or damaged of
seat potentiometer or harness
Re-tighten set screw of seat potentiometer or replace seat
potentiometer assembly
Error sounds continuously as " DoRe ... DoRe... DoRe... " > Defective or
damaged of backrest potentiometer or harness
Re-tighten set screw of backrest potentiometer or replace
backrest potentiometer assembly
Error sounds continuously as " DoReMi ... DoReMi... DoReMi... " >
Defective or damaged of legrest potentiometer or harness
Re-tighten set screw of legrest potentiometer or replace
legrest potentiometer assembly
Error sounds continuously as " DoReMiFa ... DoReMiFa... DoReMiFa... " >
Defective or damaged of rollup potentiometer or harness
Re-tighten set screw of rollup potentiometer or replace rollup
potentiometer assembly
Error sounds as " PiPiPiPi " for five times > Chair foot switch was on when
turning the power on
Check foot switch whether there is no object on foot
controller of replace foot controller
Error sounds continuously as " DoReMiFaSolLaTi " > Failure occurred in
EEPROM memory of chair pcb
There is a buzzer sounds after
auto movement
Check type of buzzer sounds Error sound as "PiPu" for time out (60 seconds) error sound
Chair can not move until target position after pressing preset
switch. Check chair movement (Especially legrest in
movement occur due to damage of legrest spring) and replace
the spring.
*Set legrest in limit position a little forward position from
vertical position*
LP switch does not work Check type of error sounds
Error sounds as " Pi---- " for two seconds > Chair in LP position after turning
the power on
Which is not a malfunction. Press other chair operation
switch and press LP switch again.
Chair does not move at all Check wiring of inside chair Disconnected wirings Connect wiring.
Defective capacitor Replacement of capacitor
There is no power supply (Current voltage) to motor pump. Check connection of motor wires (3P) > Repair
There is power supply (Current voltage) to motor pump but motor pump does
not work.
There is an error sounds when
turn on the main switch
Check type of error sounds
Backrest reclines and seat
lowers but no raising and lifting
Check motor pump of the chair
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