Display text
Meaning
Task
RL 211+A004-EMU
EMU 1 not detected on redundant bus
1. Check LOP visually (→ Page 181).
2. Perform LOP test procedures
(→ Page 183).
3. Contact Service
• Have EMU 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-Coolant
Safety system detects that coolant
pressure is too low
Check coolant level and top up if re‐
quired (→ Page 159).
SS P-Lube Oil (ECU) Safety system detects that engine-oil
pressure is too low
1. Check lube oil level and top up if
required (→ Page 146).
2. Contact Service.
SS P-Lube Oil (EMU) Safety system detects that engine-oil
pressure is too low
1. Check lube oil level and top up if
required (→ Page 146).
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-shut-off flaps
Open air-shutoff flaps
SS Security Shut‐
down
Safety system has tripped a shutdown Determine cause of shutdown and rec‐
tify.
SS T-Coolant (ECU) Safety system detects excessive cool‐
ant temperature
Reduce power.
SS T-Coolant (EMU) Safety system detects excessive cool‐
ant temperature
Reduce power.
SS T-Lube Oil
Safety system detects excessive lube-
oil temperature
Reduce power.
Stop Activated (EMU) EMU has tripped automatic stop com‐
mand due to limit value violation
1. Determine cause of shutdown and
rectify.
2. Note further alarms / indications on
display.
102 | Troubleshooting | MS150031/03E 2011-10
TIM-ID: 0000008898 - 001
Summary of Contents for 12 V 2000 M40A
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