RL 211+A300-A501
Cause Corrective action
PCU (PIM No. 21.X+A30-A501)
not detected on redundant CAN
bus.
1. Check LOP visually (→ Page 223).
2. Perform LOP test procedures (→ Page 225).
3. Contact Service.
• Have PCU checked and replaced, if required.
SS Safety System Failure (EMU)
Cause Corrective action
Safety system has detected fault
on Engine Monitoring Unit.
u Contact Service.
SS Power Reduction Active
Cause Corrective action
Safety system has requested
power reduction.
1. Determine cause of automatic power reduction.
2. Observe further display messages/alarms.
3. Contact Service.
SS Emergency Stop
Cause Corrective action
Safety system has initiated an
emergency stop
1. Determine cause for shutoff and rectify.
2. Observe further display messages/alarms.
SS Emergency Stop External
Cause Corrective action
Safety system has carried out an
externally triggered emergency
stop.
1. Determine cause for shutoff and rectify.
2. Observe further display messages/alarms.
SS P-Gear Lube Oil (GCU)
Cause Corrective action
Safety system detects that gear
control oil pressure is too low.
u Check gearbox lube-oil level and top up, if required (see
gearbox documentation).
SS P- Gear Lube Oil (GMU)
Cause Corrective action
Safety system detects that gear
lube oil pressure is too low.
u Check gearbox lube-oil level and top up, if required (see
gearbox documentation).
SS P-Gear Control Oil (GCU)
Cause Corrective action
Safety system detects that gear
control oil pressure is too low.
u Check gearbox control-oil level and top up, if required (see
gearbox documentation).
MW15406/17E 2014-05 | Troubleshooting | 127
TIM-ID: 0000042361 - 001
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