I have a 490E which started stalling under load. I had the dealer make a service call. He found the pump control module had failed. Purchased another module, installed it, and the machine worked fine for about 8 hours, then went back into the stall mode. Inspection of the control module shows it failed in the identical area as the first, burning up the 4 watt 10 ohm resistor and melting the diode next to it.
Has anyone seen this problem before? Any suggestions for finding the cause of these failures would be appreciated.
Has anyone seen this problem before? Any suggestions for finding the cause of these failures would be appreciated.
490E Blowing pump control module
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