77A1h
CLAAS 77A1h – Claas Hyd A60 Claas Hydraulic Module: Valve 1: Instruction Not Received or Improbable - Electrodistributor 1 Returns to Neutral
Issue description
The instruction for valve 1 is not being received or is considered improbable. The cause is identified as the electrodistributor 1 returning to neutral. This may affect the proper operation of the hydraulic system.
Check the cause
The Hydraulic CAN bus network
The hydraulic module HYD (A60)
The electrodistributor module (A105-1)
Repair steps
Inspect
Inspect the Hydraulic CAN bus network for any faults or disconnections.
Test
Test the hydraulic module HYD (A60) to ensure it is functioning correctly.
Verify
Verify the operation of the electrodistributor module (A105-1) to confirm it is not returning to neutral unexpectedly.
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