1.4550.036 – A - Temperature derating active
Yellow alarm. Initiated by throttle of cylinder bank A.
Cause
Corrective action
Internal temperature above 100
ºC. Adjustment rate is reduced.
1. Check room temperature and ventilation.
2. Restart throttle.
1.4550.037 – A - Temperature above 120 °C
Red alarm. Initiated by throttle of cylinder bank A.
Cause
Corrective action
Internal temperature above 120
ºC.
1. Check room temperature and ventilation.
2. Restart throttle.
1.4550.038 – A - Loss of Position Demand
Red alarm. Initiated by throttle of cylinder bank A.
Cause
Corrective action
Position setpoint is missing or out
of range.
1. Check throttle settings.
2. Check cabling (→ Page 202).
1.4550.039 – A - Demand Tracking Fault
Yellow alarm. Initiated by throttle of cylinder bank A.
Cause
Corrective action
Throttle setting is not correct.
u
Check throttle settings.
1.4550.040 – A - Analog Position Demand Failed
Yellow alarm. Initiated by throttle of cylinder bank A.
Cause
Corrective action
Throttle setting is not correct.
u
Check throttle settings.
1.4550.041 – A - PWM Position Demand Failed
Yellow alarm. Initiated by throttle of cylinder bank A.
Cause
Corrective action
Throttle setting is not correct.
u
Check throttle settings.
1.4550.042 – A - CAN Position Demand Failed
Red alarm. Initiated by throttle of cylinder bank A.
Cause
Corrective action
Position setpoint not received or
received too late.
1. Check throttle settings.
2. Check cabling (→ Page 202).
MS150104/03E 2017-09
| Troubleshooting | 119
TIM-ID: 0000038611 - 005
