1.4520.549 – MIC5 E1 Power output limit reached
Red alarm. Initiated by MIC5.
Cause
Corrective action
The power output has exceeded
the admissible value.
1. Check ignition system settings in the Engine Control Unit.
2. Check ignition coils.
3. Check igniters.
4. Restart ignition control unit.
1.4520.550 – MIC5 E1 Tr1 synchronisation fault
Yellow alarm. Initiated by MIC5.
Cause
Corrective action
Unable to synchronize with signal
from pulse sensor 1 (B1.2).
u
Check sensor, sensor gap, cabling, data record settings and timing
wheel. Replace sensor as necessary. (→ Page 33) (→ Page 227)
1.4520.551 – MIC5 E1 Tr1 operational error
Red alarm. Initiated by MIC5.
Cause
Corrective action
Pulse sensor 1 (B1.2) has tripped
an operational error.
1. Check sensor, sensor gap, cabling, data record settings and timing
wheel. Replace sensor as necessary. (→ Page 33) (→ Page 227)
2. Restart ignition control unit.
1.4520.552 – MIC5 E1 Tr1 no signal detected
Yellow alarm. Initiated by MIC5.
Cause
Corrective action
No signal from pulse sensor 1
(B1.2).
u
Check sensor, sensor gap, cabling, data record settings and timing
wheel. Replace sensor as necessary. (→ Page 33) (→ Page 227)
1.4520.553 – MIC5 E1 Tr1 polarity detection fail
Yellow alarm. Initiated by MIC5.
Cause
Corrective action
Unable to detect polarity of pulse
sensor 1 (B1.2).
u
Check sensor, sensor gap, cabling, data record settings and timing
wheel. Replace sensor as necessary. (→ Page 33) (→ Page 227)
1.4520.554 – MIC5 E1 Tr1 wrong polarity
Yellow alarm. Initiated by MIC5.
Cause
Corrective action
Pulse sensor 1 (B1.2) has wrong
polarity.
u
Check sensor, sensor gap, cabling, data record settings and timing
wheel. Replace sensor as necessary. (→ Page 33) (→ Page 227)
102 | Troubleshooting | MS150116/04E 2018-04
TIM-ID: 0000038611 - 006