MTU 16V4000Lx2x Operating Instructions Manual page 97

1.4550.132 – B - Stop commanded (Run/Stop)
Yellow alarm. Initiated by ProAct B-Bank.
Cause
ProAct setting is not correct.
1.4550.133 – B - Input (Supply) Voltage Fault
Yellow alarm. Initiated by ProAct B-Bank.
Cause
Upper or lower supply voltage
limit reached.
1.4550.134 – B - Position Error
Red alarm. Initiated by ProAct B-Bank.
Cause
Position demand and feedback
do not match
1.4550.135 – B - Temperature Sensor Fault
Red alarm. Initiated by ProAct B-Bank.
Cause
Hardware not ready for
operation.
1.4550.136 – B - Temperature derating active
Yellow alarm. Initiated by ProAct B-Bank.
Cause
The internal temperature is
higher than the limit.
1.4550.137 – B - Temperature above 120 °C
Red alarm. Initiated by ProAct B-Bank.
Cause
The internal temperature is
higher than the limit.
1.4550.138 – B - Loss of Position Demand
Red alarm. Initiated by ProAct B-Bank.
Cause
Position demand is missing or
out of range
Corrective action
u Check setting.
Corrective action
1. Check supply voltage.
2. Check cabling.
Corrective action
1. Check mechanical system.
2. Restart ProAct.
Corrective action
u Restart ProAct.
Corrective action
1. Check room temperature. Restart ProAct.
2. Restart ProAct.
Corrective action
1. Check room temperature. Restart ProAct.
2. Restart ProAct.
Corrective action
1. Check setting.
2. Check cabling.
MS150121/00E 2015-07 | Troubleshooting | 97