© Cesab 8 – 27 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-
3:540
Hardware in T1
detects a short
circuit in the power
stage and a phase-
to-phase short
circuit, phase B-
and phase B+
Everything is
stopped at once,
the parking brake
is activated, and
the main
contactor opens
1: Short circuit in
motor
2: Short circuit in
motor wiring
harness
3: Short circuit in
power stage
1: Check the motor
• Disconnect motor wiring
including sensor wires.
• Insulation test. Check that the
coils are not electrically
connected to the chassis.
Replace M1 if the motor is not
isolated
2: Check the motor wiring
harness
• Visual check of the motor wiring
harness. Check that there is no
contact between the pole
connections on the motor/motor
control. Search for contact and
damaged insulation on the
wiring harness.
• Disconnect the motor wiring
harness at the motor control and
the motor and measure the
ohms of the wiring harness
between the phases and verify
that there is no contact.
3: Replace T1
3:545
Hardware
protection in T1
detects a short
circuit in the output
to the brake (Q1)
The current
through the brake
exceeds the limit
values. Maximum
value = 5.95A,
continuous value =
3A
Everything is
stopped at once,
the parking brake
is activated, and
the main
contactor opens
High power
consumption or
short circuit
1: Check for overcurrent or short
circuit:
• Check the ohms and the
amperes of the component,
compare them to the setpoint
values if they outside the
accepted range.
• Check the connections and
wiring harness for short-circuit.
• Check that the component does
not seize or is jammed.
• If points 1-3 are OK, it indicates
that the output stage is short
circuited - Replace the power-
supplying component
Code Description
Truck
behaviour
Error cause(s) Procedure
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