623 – HI Nox Value
Yellow alarm.
Associated parameter 2.3050.026
Cause
Corrective action
NOx emissions have exceeded the
first limit value
1. Check gas quality if feasible.
2. Check NOx sensor.
3. Check emissions.
624 – HIHI Nox Value
Yellow alarm.
Associated parameter 2.3050.027
Cause
Corrective action
NOx emissions have exceeded the
second limit value
1. Check gas quality if feasible.
2. Check NOx sensor.
3. Check emissions.
633 – SD P-Ambient Air (HDT2800)
none
Associated parameter 1.0700.087
Cause
Corrective action
Air moisture sensor defect
u
Sensor is not currently part of standard scope of supply.
634 – SD T0-Ambient Air (HDT2800)
none
Associated parameter 1.0700.089
Cause
Corrective action
Air moisture sensor defect
u
Sensor is not currently part of standard scope of supply.
635 – SD Air Humidity (HDT2800)
none
Associated parameter 1.0700.091
Cause
Corrective action
Air moisture sensor defect
u
Sensor is not currently part of standard scope of supply.
642 – SD Electr. Motor Power AI2
Yellow alarm.
Associated parameter 2.8006.040
Cause
Corrective action
Motor power sensor defect
(analog input 2)
1. Effective generator power not transmitted correctly.
2. Effective generator power can be optionally transmitted by CAN
bus.
3. Check plant control application engineering.
132 | Troubleshooting | MS150098/03E 2018-04
TIM-ID: 0000027858 - 002
