MTU 8 V 2000 M70 - Page 74

Display text Meaning Task
RL 211+A300-A500 RCS with PIM No. 21.X+A300-A500
not detected on redundant bus
1. Check LOP visually (→ Page 154).
2. Perform LOP test procedures
(→ Page 156).
3. Contact Service
• Have RCS checked and re‐
placed, if required.
RL 211+A300-A501 PCU (PIM No. 21.X+A300-A501) not
detected on redundant bus
1. Check LOP visually (→ Page 154).
2. Perform LOP test procedures
(→ Page 156).
3. Contact Service
• Have PCU checked and re‐
placed, if required.
SS Safety System
Fail (EMU)
Safety system has detected EMU fail‐
ure
Contact Service.
SS Power Reduction
Active
Safety system has requested power
reduction
1. Determine cause of automatic
power reduction;
2. Note further alarms / indications on
display;
3. Contact Service.
SS Emergency Stop Safety system has tripped an emer‐
gency stop
1. Determine cause of shutdown and
rectify;
2. Note further alarms / indications on
display.
SS Emergency Stop
Ext.
Safety system has executed an exter‐
nally tripped emergency stop
1. Determine cause of shutdown and
rectify;
2. Note further alarms / indications on
display.
SS P-Gear Lube Oil
(GCU)
Safety system detects that control-oil
pressure in gearbox is too low
Check gearbox lube-oil level and top
up, if required (see gearbox documen‐
tation).
SS P-Gear Lube Oil
(GMU)
Safety system detects that lube-oil
pressure in gearbox is too low
Check gearbox lube-oil level and top
up, if required (see gearbox documen‐
tation).
SS P-Gear Control
Oil (GCU)
Safety system detects that control-oil
pressure in gearbox is too low
Check gearbox control-oil level and top
up, if required (see gearbox documen‐
tation).
SS P-Gear Control
Oil (GMU)
Safety system detects that control-oil
pressure in gearbox is too low
Check gearbox control-oil level and top
up, if required (see gearbox documen‐
tation).
SS P-Coolant Safety system detects that coolant
pressure is too low
Check engine coolant level, top up as
necessary (→ Page 132).
SS P-Lube Oil (ECU) Safety system detects that engine-oil
pressure is too low
1. Check lube oil level, top up as nec‐
essary (→ Page 119).
2. Contact Service.
SS P-Lube Oil (EMU) Safety system detects that engine-oil
pressure is too low
1. Check lube oil level, top up as nec‐
essary (→ Page 119).
2. Contact Service.
SS Security Channel
Def EMU
Fault message of safety system Contact Service
• Have EMU checked and replaced, if
required.
SS SDAF Closed Safety system reports closed emer‐
gency air-shuttoff flaps
Open emegrency air-shutoff flaps
(→ Page 116).
74 | Troubleshooting | MW15407/14E 2012-02
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