851 – External Start and HD too high
ZKP-Number: 1.1026.901
Red alarm; power reduction ≥ 20%
Cause
Corrective action
Excessive pressure in HP fuel
system when the engine is
starting
u
Stop engine.
Restart.
Repeat the process if necessary.
855 – AL Bypass Throttle 2 Defect
ZKP-Number: 1.0700.841
Yellow alarm; warning
Cause
Corrective action
Actuator at bypass flap or flap
mechanism faulty.
u
Replace actuator or flap.
872 – AL EGR A Fast learn failed
ZKP-Number: 1.0700.021
Yellow alarm; warning
Cause
Corrective action
Actuator at bypass flap or flap
mechanism faulty.
u
Replace actuator or flap.
876 – AL EGR B Fast learn failed
ZKP-Number: 1.0700.040
Yellow alarm; warning
Cause
Corrective action
Actuator at bypass flap or flap
mechanism faulty.
u
Replace actuator or flap.
877 – AL Bypass A Fast learn failed
ZKP-Number: 1.0700.060
Yellow alarm; warning
Cause
Corrective action
Actuator at bypass flap or flap
mechanism faulty.
u
Replace actuator or flap.
78 | Troubleshooting | MS15033/02E 2015-02
TIM-ID: 0000047144 - 003
