Terex Genie Z-33/18, Service And Repair Manual

Page: 83 / 117

January 2020
Part No. 1268514GT Z
®
-33/18 4-11
Section 4 Fault Codes
CONTROL SYSTEM FAULT CODE CHART
Error Source Error Type
Condition Solution
ID Name ID Name
71
ESTOP_RELAY
Emergency Stop
relay. 11
Shorted High
(24V) All functions
disabled.
With Red Emergency Stop pulled
out at ground control, CR62
should close.
Check for 24V DC on 30 and 87
of CR62. Replace relay.
Replace red Emergency Stop
button contacts.
76
OVERLOAD_
SW
Platform
overload switch
(option).
12
21 Value too high
Fault
Platform
functions limited
to recovery only.
Primary lift pump
functions at
ground controls
disabled.
Auxiliary
functions at
ground control
only.
Extend disabled.
Do not exceed maximum platform
weight.
Check for 24V DC (black) input to
load sensor.
Check for 24V DC (red) output
from load sensor.
Check for 0V DC on right
(master) AC motor controller on
R-19.
Replace load sensor.
77
VCON_PBOX
Platform display
screen. 13 No response
Platform
functions
disabled.
Ground controls
operative. Check can bus circuit for open.
Check can bus resistor.
Isolate all other modules
simultaneously. Replace right
(master) motor controller.
78
PCON_PBOX
Platform
controller screen. 13 No response
Platform
functions
disabled.
Ground controls
operative. Check can bus circuit for open.
Check can bus resistor.
Isolate all other modules
simultaneously. Replace right
(master) motor controller.
82
LOAD SENSE
RECOVERY
21 Fault
System was
overloaded and
moved under
AUX power.
N/A for reporting purposes.