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Had a mad fault. Error 01 42 which is 20p hopper problem.
Hopper had been fine for years. Stripped it , cleaned it and found two one pound coins in.
Sorted i thought. Re-initialized and error code appeared again, Ok i thought, 20p hopper was dead.
I swapped 20p with the pound hopper. Still error 01 42. Unplugged hoppper loom to mpu and hey presto it initialized.
So Mpu the culprit. But i only had the 4 expansion impact board and i needed a single one that was in machine.
So to end my long story do you think i was right about mpu - my first thought was i've cleared jam now ram clear to get rid of error code. But the bugger just would not clear. so how do you ram clear an JPM impact board?
P.S. are the hopper driver boards on side of pay out tray known to go bad?
I have not had that much experiance with these older JPM machines.
Thanks in advance,
