PROBLEM PROBLEM CAUSE SOLUTION
CHAIR WILL NOT OPERATE. 1) POWER CORD NOT PLUGGED IN.
2) NO AC POWER AT WALL RECEPTACLE.
3) BLOWN LINE FUSE.
1) CHECK ALL WIRING CONNECTIONS.
2) RESTORE OUTLET POWER.
3) REPLACE FUSE.
OUTLET POWER OK, BUT NO
BEEP IS HEARD WHEN POWER
IS APPLIED.
1) BLOWN LINE FUSE.
2) LOOSE WIRING IN BASE.
3) OTHER.
1) REPLACE FUSE.
2) CHECK ALL WIRING CONNECTIONS.
3) CONTACT FACTORY
FOOTSWITCH FUNCTIONS NOT
OPERATING.
1) FOOTSWITCH CORD NOT CONNECTED. 1) CHECK ALL INTERNAL AND
EXTERNAL
FOOTSWITCH WIRING
CHAIR BASE WILL NOT STAY UP 1) SOLENOID VALVE NOT CLOSED.
(DIRT IN VALVE.)
2) CONSTANT POWER APPLIED TO
SOLENOID.
3) OTHER
1) REPAIR OR REPLACE SOLENOID
VALVE.
2) CHECK FOR SWITCHES STUCK
"CLOSED" .
3) CONTACT FACTORY.
CHAIR BASE WILL NOT LOWER. 1) NO POWER TO SOLENOID ASS'Y.
2) SOLENOID COIL BURNED-OUT
3) OTHER
1) CHECK FOR VOLTAGE.
2) REPLACE SOLENOID COIL.
3) CONTACT FACTORY.
CHAIR BASE WILL NOT RAISE.
PUMP MOTOR DOES NOT RUN.
1) NO POWER TO MOTOR PUMP ASS'Y
2
) UP-LIMIT SWITCH STUCK "OPEN".
3) PUMP MOTOR BURNED-OUT.
4) OTHER
1) CHECK FOR VOLTAGE.
2) RE-ADJUST OR REPLACE SWITCH.
3) REPLACE MOTOR-PUMP ASS'Y.
4) CONTACT FACTORY.
CHAIR BASE WILL NOT RAISE.
PUMP MOTOR RUNS.
1) SOLENOID VALVE NOT CLOSED.
(DIRT IN VALVE.)
2) CONSTANT POWER APPLIED TO
SOLENOID.
3) OTHER.
1) REPAIR OR REPLACE SOLENOID
VALVE.
2) CHECK FOR SWITCHES STUCK
"CLOSED".
3) CONTACT FACTORY.
BASE "STUTTERS" DURING
ASCENT.
1) HYDRAULIC FLUID LEVEL IS LOW. 1) CONTA
CT DEALER OR FACTORY
FOR INFORMATION ON ADDING OIL.
CHAIR BASE WILL NOT RAISE
OR LOWER FROM FLOOR UNIT.
1) CHAIR CONTROL CABLE NOT PLUGGED
IN.
2) BLOWN FUSE IN CHAIR BASE.
1) CHECK CABLE CONNECTIONS AT
STAND CHAIR
2) REPLACE FUSE.
CHAIR TOP "WOBBLES" ON
CHAIR BASE
1) LOCK NUT IS LOOSE.
(UNDER SEAT BOARD.)
1) TIGHTEN LOCK NUT.
CHAIR BACK RECLINES FULLY
WITHOUT HANDLE BEING
ACTIVATED.
1) GAS SPRING IN NEED OF ADJUSTMENT 1) ADJUST GAS SPRING
2) REPLACE GAS SPRING
2) GAS SPRING FAILURE
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