Dash Display
Controller LED
Handset or PC
AL01
1 Flash
PUMP VACC NOT OK
CONDITION
LOGIC
Occurs if the output of one on the hydraulic controls
is higher than 1V (20%) at start.
Connection/communication error between control
card and traction controller.
TRUCK RESPONSE
Traction and hoist functions disabled.
POSSIBLE CAUSES AND TEST PROCEDURES
• A lift/lower switch is damaged or defective.
Install handset. Go to tester function.
Check lifting control and EVP voltage.”
Check on/off switches and proportional
switches for smooth, linear operation.
Replace damaged switches.
• Control card lift/lower switch calibration is out
of range.
Install handset. Go to tester function.
Check lifting control and EVP voltage.
Output of proportional hydraulic
controls should be less than 1V (20%) at
neutral.
Recalibrate control card.
• Replace control card if needed.
2200 SRM 1064
Troubleshooting
19
