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Section 5. TroubleshootingToyota Model 7HBW23 Service Manual
from Toyota Forklift 7HBW23 4,500 lb. Powered Pallet Walkie Service Manual SN 24501 and up - PD DOWNLOAD
Green/Red LED on Keypad Not Illuminated When Key Pressed
Possible Cause Action
No power supplied to the ETAC.Check for open circuit in wires or connectors in tiller arm, F50 open, keyswitch jumper not connected.
Faulty ConnectorsRepair and replace faulty connectors (check connector J11 at control handle arm base, connector into ETAC, and connector J5 to motor controller).
F50 OpenEnsure control fuse has not tripped.
Key switch jumper not connectedConnect keyswitch jumper.
Bad LED(s)Check LED(s) if truck functions normally but LED(s) not lighting correctly.
Possible Cause Action
Open Arm Angle SwitchCheck for correct operation of arm angle switch “A” and correct if necessary, check wiring, power amplifier, and switch adjustment. Arm Angle switch A is open-circuited. See “Arm Angle Switches” on page5-6.
Possible Cause Action
Open Arm Angle SwitchCheck arm angle switch adjustment, wiring, power amplifier. Arm Angle switch A or B is open-circuited. See “Arm Angle Switches” on page5-6.
Throttle magnet-actuator arm (in control handle) out of adjustment
Symptom Tables: Travel (Forward/Reverse) System 5-40
Check with service display and repair as needed.
Bad ETAC. If no other problems are noted but the ETAC does not detect the presence of the magnet, replace the ETAC.
00700-CL340-05, Issued: 2 May 2005
Toyota Model 7HBW23 Service ManualSection 5. Troubleshooting
Symptom Tables: Travel (Forward/Reverse) System
Horn Does Not Sound When Horn Button Pushed. No Fault Codes
Possible Cause Action
Bad horn switch/wiring in handle headRepair or replace as necessary.
Bad hornReplace horn.
Bad power amplifierCheck fuse and replace if necessary.
00700-CL340-05, Issued: 2 May 20055-41
Section 5. TroubleshootingToyota Model 7HBW23 Service Manual
Symptom Tables: Travel (Forward/Reverse) System 5-42
00700-CL340-05, Issued: 2 May 2005
