Terex Genie Z-45 FE Service And Repair Manual page 88

Service and Repair Manual
Control System Fault Codes
Control System Fault Codes
Error Source
ID Component
89 Fuel Level Sensor
95 Engine RPM
Low Oil Pressure or
96
Engine Overtemp
97 Motor Braking Fault
Platform Level Up
100
Valve
78
Error Type
ID Name
Shorted to
11 Signal > 4975 mV
supply
Sensor too
12 Signal > 4900 mV
High
16 Sensor at Zero Signal < 150 mV
Engine Speed higher
23 Too High
than setting
Engine Speed lower
24 Too Low
than setting
Either the over
temperature or
low oil pressure
switch provided a
ground to relay CR64
to shut down the
Value out of
19 engine.
range
A time delay of 5
seconds gives the oil
pressure time to build
after the engine is
started.
Drive motors do not
21 Fault
slow during braking
21 Fault Open or Shorted
®
Z -45 DC • Z
Cause Effect
display fault code only
Hybrid Mode disabled
Electric Brakes set
Associated Function
Disabled
®
-45 FE
July 2020
Solution
Verify:
*24V supply on pin A
of sensor
*B1 on pin C
*1700 - 4500 mV on
pin B
Verify:
*Proper operation
engine hi RPM
solenoid
*Proper engine RPM
setting
-Normal/Low 2150
RPM (208 Hz)
-High 3000 RPM (290
Hz)
Verify:
*Over temperature
switch is not activating
Relay CR64 by
providing a
ground path to the
relay coil {unplug oil
pressure switch for this
test} (C108SEL WH/
BK)
*Oil Pressure Switch
contacts open to B-
after engine start
(C108SEL WH/BK)
*Relay CR64 is
operable.
Output of relay
CR64-87 is connected
to C27-4 LRDCON
through C35-1
(R108SEL WH/BK)
Verify:
*Proper operation and
calibration of the UTS
level sensor
*Motor & motor
controller phase leads
and main power
connections.
*Verify no open/short
circuit across
ECON C34-3 & B-
(V14PLU OR)
Part No. 1297714GT