144
Skycoded Module Section 5 – Procedures
Help Messages and Fault Codes (Continued)
Code Message Description
Flash
Code
121
FAULT: BAD
INTERNAL
TEMPERATURE
SENSOR!
The heatsink temperature is out of range. If the fault remains, the power
controller may have to be replaced.
4/1
122
FAULT: BATTERY
VOLTAGE TOO HIGH!
The battery supply is too high – check that the correct battery and charger are
installed.
4/4
123
FAULT: BATTERY
VOLTAGE TOO LOW!
The battery supply is too low – the battery must be re-charged. 4/4
124 FAULT: CAN BUS!
CANbus messages expected from one or more modules are not being received,
or messages intended to one or more module cannot be transmitted.
Check for open- and short- circuit problems with the CANbus wiring. Make
sure that the CANbus is wired correctly pin-to-pin. Make sure that the machine
chassis is not incorrectly shorted to the motor wiring (for example, due to
insulator breakdown in the motor).
6/6
125
FAULT: CHECK
ELEVATION SWITCH
This message does not apply to this machine. If this message shows on the
Skycoded display, make sure the machine is calibrated correctly. If the message
continues, contact the Skyjack service department.
6/3
126
FAULT: CHECK
HEIGHT SENSORS
The two height transducer outputs should read the same height at all times; this
message indicates that they are reading different heights.
Check for loose wiring and check transducer outputs, or the transducer may
need to be replaced.
6/1
127
FAULT: CHECK
HEIGHT1 SENSOR
A height sensor is giving an out-of-range voltage (below 0.5V or above 4.5V).
Check for open- or short-circuit wiring; replace height sensor if necessary.
6/1
128
FAULT: CHECK
HEIGHT2 SENSOR
6/1
129
FAULT: CHECK
PRESSURE SENSOR
The pressure sensor is giving an out-of-range voltage (below 0.5V or above
4.5V).Check for open- or short- circuit wiring. Replace pressure sensor and
re-calibrate load if necessary.
6/2
130 FAULT: CUSTOMER
The Control Module CM1 must be configured to the customer requirements –
this should have been done before the controller was shipped from factory.
1/1
131
FAULT: ENERGIZED
LINE CONTACTOR -
CHECK P5 WIRING!
There is a voltage on the line contactor coil output when it should be off.
Check wiring to line contactor coil.
3/4
132
FAULT: ENERGIZED
VALVE - CHECK P5
WIRING!
There is a line voltage on a valve output from coils wired to P5. Check for a short
circuit or illegal wiring.
3/2
133
FAULT: MOTOR
OVERLOAD!
The Control Module CM1 power protection circuits have activated to protect
from extreme overload.
Check for short-circuit power wiring. Check for a seized motor.
3/5
134
FAULT: VALVE
FEEDBACK HIGH
- CHECK VALVE
WIRING!
There is a voltage on one or more valve outputs, when all outputs should be off.
Check wiring to each valve coil.
3/2
135
FUNCTIONS LOCKED
- ARMGUARD
During descent, the Control Module CM1 can stop movement for a configurable
time (see ADJUSTMENTS/ LIFT/ ARMGUARD), to allow a safety check that
no-one is close to the machine. The operator must release and then re-select
DOWN to continue lowering (after the delay timeout).
2/2
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