Genie Z-80/60 Service And Repair Manual page 140

Service and Repair Manual
Control System Fault Codes
Error Source
Steer Joystick
Propel Joystick
Axle Extend/Retract Buttons Fault Check (both
Steer Valves - LF, RF, LR,
RR
Propel Valves
Forward/Reverse
Propel EDC
Forward/Reverse
128
Error Type
Value at 5.0 V Limited Speed and Direction frozen at
zero and neutral, Alarm sounds
Value Too High
Value Too Low
Value at 0 V
Not calibrated Joystick Speed and Direction frozen at
zero and neutral
Just calibrated Initiate one second beep of audible
warning device
Value at 5.0 V Limited Speed and Direction frozen at
zero and neutral, Alarm sounds
Value Too High
Value Too Low
Value at 0 V
Not calibrated Joystick Speed and Direction frozen at
zero and neutral
Just calibrated
Initiate one second beep of audible
warning device
Axle extend/retract disabled. Display
buttons pressed) message on LCD
Fault Check
Limited Speed and Direction frozen at
zero and neutral, Alarm sounds
Not calibrated Joystick Speed and Direction frozen at
zero and neutral
Just calibrated Initiate one second beep of audible
warning device
Value Too High Limited Speed and Direction frozen at
zero and neutral, Alarm sounds
Value Too Low
Effects
Check for damaged wiring to the
joystick. Check the connections to
ensure the connector terminals have
not backed out. Substitute a known
good joystick. If necessary replace and
recalibrate joystick.
Calibrate Joystick
Self-clearing (transient)
Check for damaged wiring to the
joystick. Check the connections to
ensure the connector terminals have
not backed out. Substitute a known
good joystick. If necessary replace
and recalibrate joystick.
Calibrate Thresholds
Self-clearing (transient)
Check ribbon and connector from
membrane switch. If necessary replace
membrane switch.
Check for defective or damaged
wiring. Check for an open or shorted
valve coil. Repair or replace as
necessary.
Calibrate Thresholds
Self-clearing (transient)
Check for opens in the wiring or a bad
ground. Replace coil if necessary
Check for shorts to ground in the
wiring. Replace coil if necessary
September 2016
Recovery Actions
Part No. 1268556