81 – AL System Leaking
ZKP-Number: 1.8004.046
Leakage
Yellow alarm - warning
Cause
Corrective action
During start: Pressure gradient in
rail too low (HP system leaking,
air in system).
1. Check engine for leaks.
2. Contact Service.
During stop: Pressure gradient in
rail too high.
1. Seal engine system.
2. Contact Service.
82 – HI P-Fuel (Common Rail)
ZKP-Number: 2.0104.931
Rail pressure > set value
Red alarm - DBR fuel limitation, start of injection readjusted towards late
Cause
Corrective action
HP fuel block jamming or HP fuel
control block wiring faulty.
1. Check wiring (→ Page 181).
2. Contact Service.
83 – LO P-Fuel (Common Rail)
ZKP-Number: 2.0104.921
Rail pressure < set value
Red alarm - DBR limitation
Cause
Corrective action
HP fuel control block faulty or
leakage in HP fuel system.
u
Contact Service.
89 – SS Engine Speed Too Low
ZKP-Number: 2.2500.030
Engine speed too low
Red alarm - engine shutdown
Cause
Corrective action
Various causes possible.
1. Acknowledge alarm.
2. Observe additional messages.
3. Contact Service.
MS150096/01E 2012-08 | Troubleshooting | 53
TIM-ID: 0000029153 - 006