October 2020
Part No. 1268553GT
Z®-51/
31J
71
Service and Repair Manual
Control System Fault Codes
Error Source
Error Type
Condition
Solution
ID
Name
ID
Name
32
Secondary
Up / Down.
Directional
Valves
21
Fault
Valve is operating outside of limits.
Alarm sounds indicating a fault.
Cycle power off, then on
after problem has been
corrected.
33
Secondary Up
/ Down Flow
Valve
12
15
Value too high
Value too low
Valve is operating outside of limits.
Alarm sounds indicating a fault.
Cycle power off, then on
after problem has been
corrected.
17
Not calibrated
Normal function except threshold
for one or both directions is zero.
Calibrate valve threshold.
34
Ext. Ret. Limit
Switch
31
Invalid setup
Initiate 1-second beep of Alarm
Buzzer.
1000lb. Mode: Required retract into
FULLY RETRACTED state before
lowering
Fully retract, then lower
boom
Check and service ext/ret
and fully stowed switches
500lb. Mode: Operates normally
41
Turntable Rotate
Joystick
11
Value at 5V
Limited speed and direction frozen
at zero and neutral.
Cycle power off, then on
after problem has been
corrected.
12
Value too high
Alarm sounds indicating a fault.
15
Value too low
16
Value at 0V
17
Not calibrated
Calibrate joystick..
42
Turntable Rotate
Directional
Valves
21
Fault
Limited direction. Frozen at
zero and neutral. Alarm sounds
indicating a fault.
Cycle power off, then on
after problem has been
corrected.
43
Turntable Rotate
Flow Valve
12
15
Value too high
Value too low
Limited speed and direction.
Frozen at zero and neutral.
Alarm sounds indicating a fault.
Cycle power off, then on
after problem has been
corrected..
17
Not calibrated
Normal function except threshold
for one or both directions is zero.
Calibrate valve threshold.
44
Drive Enable
Override Switch
21
Fault
Drive enable override direction is
frozen at neutral.
Cycle power off, then on
after problem has been
corrected.
45
Platform Level
Switch
21
Fault
Platform level frozen at neutral
Power up controller with
problem corrected
Summary of Contents for Z-51/30J
Page 62: ...52 Z 51 31J Part No 1268553GT October 2020 Service and Repair Manual Manifolds...
Page 64: ...54 Z 51 31J Part No 1268553GT October 2020 Service and Repair Manual Manifolds...
Page 71: ...October 2020 Part No 1268553GT Z 51 31J 61 Service and Repair Manual Manifolds...
Page 99: ...October 2020 Part No 1268553GT Z 51 31J 89 Service and Repair Manual Hydraulic Symbols Legends...
Page 106: ...October 2020 Service and Repair Manual 96 Platform Control Box Wiring Diagram Options...
Page 110: ...October 2020 Service and Repair Manual Electrical Schematic Options 100...
Page 111: ...October 2020 Service and Repair Manual 101 Electrical Schematic AS...
Page 112: ...102 Z 51 31J Part No 1268553GT October 2020 Service and Repair Manual Electrical Schematic AS...
Page 113: ...October 2020 Service and Repair Manual Electrical Schematic AS 103 Z 51 31J Part No 1268553GT...
Page 114: ...October 2020 Service and Repair Manual Electrical Schematic AS 104...
Page 115: ...October 2020 Service and Repair Manual Ground Control Box Terminal Strip Wiring Diagram AS 105...
Page 118: ...October 2020 Service and Repair Manual 108 Ground Control Box Switch Panel Wiring Diagram AS...
Page 119: ...October 2020 Service and Repair Manual 109 Platform Control Box Wiring Diagram AS...
Page 122: ...October 2020 Service and Repair Manual 112 Platform Control Box Switch Panel Wiring Diagram AS...
Page 123: ...October 2020 Service and Repair Manual 113 Electrical Schematic CE...
Page 124: ...October 2020 Service and Repair Manual Electrical Schematic CE 114 Z 51 31J Part No 1268553GT...
Page 125: ...October 2020 Service and Repair Manual Electrical Schematic CE 115 Z 51 31J Part No 1268553GT...
Page 126: ...October 2020 Service and Repair Manual 116 Electrical Schematic CE...
Page 127: ...October 2020 Service and Repair Manual 117 Ground Control Box Terminal Strip Wiring Diagram CE...
Page 130: ...October 2020 Service and Repair Manual 120 Ground Control Box Switch Panel Wiring Diagram CE...
Page 131: ...October 2020 Service and Repair Manual 121 Platform Control Box Wiring Diagram CE...
Page 134: ...October 2020 Service and Repair Manual 124 Platform Control Box Switch Panel Wiring Diagram CE...
Page 135: ...October 2020 Service and Repair Manual 125 Electrical Schematic Deutz TD 2 2 L3 Models CE...
Page 142: ...132 Hydraulic Schematic October 2020 Service and Repair Manual...
Page 143: ...Hydraulic Schematic October 2020 Service and Repair Manual 133 Z 51 31J Part No 1268553GT...