APC-IN-INS-LAB-RevA14 21
4 TROUBLESHOOTING GUIDE
4.1 ELECTRIC POWERED CHAIRS
DANGER: SHOCK HAZARD — To reduce the risk of electric shock, do not remove the
cover. Unit is to be serviced by qualied service personnel (minimum 1 year medical
equipment service and repair experience) only.
DANGER: SHOCK HAZARD — Always disconnect the power source whenever
troubleshooting or servicing any electric powered chair.
If Then
One motor or one
column does not
move, but all others
are operating
correctly.
Step 1: Check all motor and column plug connections at the controller box.
Step 2: If a column does not move, check the connection at the column.
Step 3: Plug a connector from the faulty component into a different socket:
If the component does not run: Replace that component.
If the component does run: Test pendant by plugging a functioning component into the
non-functioning socket on the controller. If this component does not run, replace the
pendant. If replacing the pendant does not x the problem, then replace the controller.
Nothing moves. Step 1: Plug unit into a mains supply wall receptacle, then observe the pilot light on the
controller:
If the pilot light is off: Replace the controller.
If the pilot light is on: Check the pendant control plug connection at the controller.
The unit runs when
plugged into wall
receptacle, but does
not run on battery
backup.
Step 1: Plug unit into a wall receptacle overnight.
If the batteries do not hold a charge, replace the batteries (section 4.2).
GF Health Products, Inc. may be contacted at 678-291-3165 for additional information required to
service or repair the equipment.
4.2 BATTERY REPLACEMENT INSTRUCTIONS
DANGER: SHOCK HAZARD — To reduce the risk of electric shock, do not remove the
cover. Unit is to be serviced by qualied service personnel (minimum 1 year medical
equipment service and repair experience) only.
DANGER: SHOCK HAZARD — Always disconnect the power source whenever
troubleshooting or servicing any electric powered chair.
WARNING: PERSONAL INJURY HAZARD — The batteries are wired in series; failure to
connect the same way can cause batteries to explode.
The batteries are the only eld serviceable components — do not attempt to repair the circuit boards.
Battery replacement Step 1: Remove the controller.
Step 2: Remove the 4 screws from the right half, located on top of controller.
Step 3: (After 4/11/00) replace (2) batteries with ‘YUSHA’ #NP 1.2-12, 12 volt, 1.2 Ah
batteries (Hausted P/N 075759 – 2 required, for CB-12 controllers).
Step 4: Ensure battery connector is in place on left side of batteries.
Step 5: Replace cover.
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