Display text Meaning Measure
SS Power Reduction
Active
Safety system has requested power re-
duction
1. Determine cause of automatic pow-
er reduction.
2. Observe further display messages/
alarms.
3. Contact Service.
SS Emergency Stop Safety system has triggered emergency
stop
1. Determine cause of shutdown and
rectify.
2. Observe further display messages/
alarms.
SS Emergency Stop
External
Safety system has carried out an exter-
nally triggered emergency stop
1. Determine cause of shutdown and
rectify.
2. Observe further display messages/
alarms.
SS P-Coolant Safety system detects that coolant pres-
sure is too low
Check coolant level and top up if re-
quired (→ Page 205).
SS P-Lube Oil (ECU) Safety system detects that engine-oil
pressure is too low
1. Check lube-oil level and top up if re-
quired (→ Page 192).
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 re-
quired (→ Page 192).
2. Contact Service.
SS Safety Channel
Def. EMU
Safety system fault message Contact Service.
• Have EMU checked and replaced, if
required.
SS SDAF closed Safety system reports closed emergen-
cy-air shutoff flaps
Open emergency-air shutoff flaps.
SS Safety system stop Safety system has caused emergency
stop
Determine cause of shutdown and recti-
fy.
SS T-Coolant (ECU) Safety system has determined that the
coolant temperature is too high
Reduce power.
SS T-Coolant (EMU) Safety system has determined that the
engine coolant temperature is too high
Reduce power.
SS T-Lube Oil Safety system has determined that the
lube oil temperature is too high
Reduce power.
Stop Activated (EMU) EMU has triggered automatic stop com-
mand due to limit value violation
1. Determine cause of shutdown and
rectify.
2. Observe further display messages/
alarms.
TD P-Lube Oil Different measurement values transmit-
ted by the two sensors for lube-oil pres-
sure
1. Check LOP visually (→ Page 226).
2. Perform LOP test procedures
(→ Page 228).
3. Check ECU plug connection
(→ Page 222).
4. Check engine wiring (→ Page 218).
5. Contact Service.
• Have sensors checked and re-
placed if required.
MS150031/06E 2016-010 | Troubleshooting | 137
TIM-ID: 0000008898 - 002
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