Clair Chair Troubleshooting
Defective Part
Symptom Check Point Possible Cause Solution
Chair movement stops when low pressure hose of
cylinder is pinched (clamp) with tools such as long
nose pliers.
Defective O-ring of inside cylinder (There are two O-rings inside of cylinder
body. It may damage the O-ring for bottom side)
Replace O-ring or cylinder assy.
Chair movement stops when low pressure hose
between solenoid and oil reservoir (return hose) is
pinched (clamp) with tools such as long nose pliers.
Foreign object stays around plunger of solenoid valve Disassembly and cleaning or solenoid valve or replace it
Chair movement does not stops when low pressure
hose between solenoid and oil reservoir (return hose) is
pinched (clamp) with tools such as long nose pliers.
Defective check valve inlet side of solenoid valve and oil flows in an
opposite direction
Replace solenoid valve assy
Loose nipple Tighten the nipple
Defective sealant of nipple Fix it with seal tape and re-tighten nipple
Defective or damage the O-ring of hi-pressure hose Replace O-ring (P3)
Damage oil reservoir or reduce sealant of bottom lid Replace oil reservoir
Loose hose clamp of oil reservoir hose Tighten hose clamp
Chair moves too fast or slow
(seat lowering speed)
Check needle on the solenoid valve According to a request from a user
Adjust speed by needle valve (Be careful not to open the
needle valve too much, it will come off)
Power Headrest moves at
moment
Power headrest moves during chair up motion Air goes into plunger guide tube of headrest up solenoid valve
Release air from solenoid valve.
Remove the solenoid block with bracket from chair base. Coil
part of solenoid is place the downward and operate chair
backrest about 10 times.
There is noise from motor Check hose layout around motor Making noise due to the vibrations of motor Rearrangement of hoses around motor
Oil leakage from nipple of cylinder or solenoid valve
Oil leakage from oil reservoir
Chair moving (down or
reclining) by itself
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