AGCO POWER EEM4 MPROP control: ECU power stage over temperature.
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Description
The EEM monitoring system has detected over temperature on the high pressure pump control (MPROP).
Possible causes are:
The solenoid valve is defective.
The solenoid valve wiring is defective.
Reaction in EEM
The FC is stored and the warning lamp is activated. The CAN message indicates an active fault. The engine power is reduced (Degradation 3). Powerstage functionalities could be disabled.
Solution
First save the error log and then do the procedure that follows:
Examine the solenoid valve wiring, the connectors and the contact surfaces of the connector pins (possible oxidation).
Measure between the low side from the MPROP connector to the ECU connector pin, to see if there is fault in the cable.
Test the operation with another MPROP solenoid valve to see if the solenoid valve is defective.
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