© Cesab 8 – 53 T Code(s): 841, 842, 843
Repair manual: Troubleshooting Model(s): S210, S212, S212S, S212L, S214, S214L, S220D
Publication Number: 7588857-040 Date: 2018-05-01 Applies from serial number: 6384351-
Cont'd. Pump motor [M3] does not operate:
Symptom Influencing elements Possible cause/Remedy
Pump motor [M3] voltage/
current normal
Mechanical fault in the pump Replace the hydraulic unit
No current or voltage through/
across the motor [M3]
Damaged wiring harness or
connections in the pump
motor [M3]
Check the wiring harness for
interruptions or short-circuits to
other electric components
Voltage across the motor [M3],
but no current through the motor
Open circuit in the pump
motor [M3]
Replace the hydraulic unit
Cont'd. The solenoid valve [Q4] for lowering the forks does not open:
Symptom Influencing elements Possible cause/Remedy
Solenoid valve [Q4] voltage/
current normal
Mechanical fault in the valve
[Q4]
Replace the hydraulic unit
Low or no current/voltage
through/across the solenoid
valve coil [Q4]
Damage to the solenoid valve
[Q4] wiring harness or
connections
Check the wiring harness for
interruptions or short-circuits to
other electric components
Tiller arm Hall sensor for fork
lowering defective
Replace the logic card [A5]
The motor control [T1], output
108 “OUT.LOWER VALVE”
defective
Replace the motor control [T1]
Motor control [T1], output 82
“OUT. +24 V HIGH SIDE
DRIVER” defective
See the troubleshooting chart
The truck cannot be driven
Voltage across solenoid
valve coil [Q4], but no current
through the coil
Break in the solenoid valve coil
[Q4]
Replace the hydraulic unit
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