CLAAS 774Bh: Invalid Crankshaft Position Signal Detected

The crankshaft position signal is not in the correct format, as reported by the ENG (A15) engine calculator. This causes the engine power to be reduced by 20% per minute until it reaches 50% of its nominal power.

1. 1

   The crankshaft position signal source

2. 2

   The wiring or connections related to the crankshaft position signal

3. 3

   The ENG (A15) engine calculator

1. 1

   Inspect

   Inspect the crankshaft position signal source for damage or misalignment.

2. 2

   Check

   Check the wiring and connections related to the crankshaft position signal for continuity and proper seating.

3. 3

   Test

   Test the ENG (A15) engine calculator for proper operation, following the service manual procedures.