
536 – AL Wiring PWM_CM1
ZKP-Number: 1.1041.921
Wiring problem at PWM_CM1 channel
Yellow alarm – warning
Cause
Corrective action
Cable break or short circuit on
channel PWM_CM1.
1. Check wiring to connected device or check connected device
itself (actuator/sensor) and replace if necessary (→ Page 189).
2. Contact Service.
549 – AL Voltage interruption
ZKP-Number: 2.7001.952
Alarm from the emergency stop counter function
Yellow alarm – warning
Cause
Corrective action
Engine governor power has been
disconnected with the engine
still running. This may lead to
overpressure in the HP system
which can damage the engine.
u
Instruct operators to switch off the power supply only after the
engine has come to a standstill.
558 – AL Wiring PWM_CM2
ZKP-Number: 1.1041.922
Wiring problem at PWM_CM2 channel
Yellow alarm – warning
Cause
Corrective action
Cable break or short circuit on
channel PWM_CM2.
1. Check wiring to connected device or check connected device
itself (actuator/sensor) and replace if necessary (→ Page 189).
2. Contact Service.
576 – AL ESCM Override
ZKP-Number: 1.1075.083
Engine overload.
Yellow alarm – warning
Cause
Corrective action
Violation of corrected MCR or
DBR/MCR curve.
u
Reduce power.
MS150112/01E 2014-10
| Troubleshooting | 81
TIM-ID: 0000029153 - 005