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Since November last year, after a MarkV HMI upgrade, sometimes when we start, the Detroit goes through its two minute warmup and then just as its starts to accelerate, it might get to 55%-65%, and it suddenly cuts back to idle.
At times we've had a Starting Device Trip come up, but mostly we get no indication as far as alarms or events go. If we leave it for 10 minutes or so it'll ramp up properly the next time.
We looked at the Diesel Accelerating 4-way Solenoid as we thought it might have been dirty hydraulic oil making it stick, but that was OK.
We looked at the throttle assembly, actuator arm and fuel racks, and it all seems to move freely.
Any ideas?
At times we've had a Starting Device Trip come up, but mostly we get no indication as far as alarms or events go. If we leave it for 10 minutes or so it'll ramp up properly the next time.
We looked at the Diesel Accelerating 4-way Solenoid as we thought it might have been dirty hydraulic oil making it stick, but that was OK.
We looked at the throttle assembly, actuator arm and fuel racks, and it all seems to move freely.
Any ideas?