Genie Z-30/20N Service Manual page 91

April 2004
REV A
Programmer
Fault Code
Diagnostic Display
34
MISSING CONTACTOR
MAIN CONT DNC
LOW BATTERY
41
VOLTAGE
42
OVERVOLTAGE
43
THERMAL CUTBACK
Part No. 106373
Condition Possible Causes
Motor controller does
not detect the main
Machine will not drive.
contactor PR1 or brake
release relay CR5.
Main contactor PR1 or
brake release relay CR5
did not close OR open
in org/red wire to PR1
Machine will not drive.
and/or CR5 OR main
contactor and/or brake
release relay is
defective.
Battery supply voltage
Machine will not drive. to motor controller less
than 32V DC.
Battery supply voltage
to motor controller more
than 55V DC OR
Machine will not drive. machine is being
operated with the
battery charger plugged
in.
Machine being operated
outside of temperature
range of -13°F to
185°F / -25°C to 85°C
Machine will not drive. OR machine being
driven under excessive
load OR motor
controller is not being
cooled sufficently.
Genie Z-30/20N
Section 5 • Fault Codes
FAULT CODE CHART
Solution
Consult Genie
Industries Service
Department.
Consult Genie
Industries Service
Department.
Completely charge
batteries OR check
battery cable condition
OR check for corrosion
or loose connections at
battery terminals and
motor controller.
Be sure the battery
charger is disconnected
OR check for loose
battery cables or poor
connections.
Operate machine within
specified temperature
limits OR check for
debris around motor
controller preventing
proper cooling of the
controller OR check for
mechanical restrictions
causing excessive load
on the machine.
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