GE GDF510PxJ Series Technical Service Manual

Contents

GE GDF510PxJ Series Technical Service Manual Manual pdf 42 page image

– 42 –On the Main Control Board CSMA CSM is a protective device that is part of GE Dishwashers and located on the main control board. Thisdevice is designed to trip if current leakage to ground is above 20mA ± 5mA is detected. The CSM functionssimilar to commercially available GFCIs, if tripped the dishwasher is non-responsive. Entering ConsumerError ModeZLOODOORZWKHGRRUVWDWXVFKHFNZLWK/('·VÀDVKLQJIRUVHFRQGVZLWKWKHGRRURSHQRURQVROLGfor 10 seconds, if the door is closed. If there are active error codes logged, they will be displayed at this time.6SHFL¿FHUURUVDUHGLVSOD\HGZLWK/('·V2WKHUHUURUFRGHVPD\DVVLVWZLWKGLDJQRVLQJ VHH&RQVXPHU(UURU0RGH 7KH6HUYLFH/('RQWKHPDLQFRQWUROZLOOÀDVKWLPHVLQVHFRQGVLIWKH&60LVLQDWULSSHGFRQGLWLRQThe CSM is reset when Service Mode is entered.The cause of tripping is likely external to the board itself. The board should only be replaced after allother diagnostic tests have been completed and all other potential causes have been ruled out. Potentialcauses of current leakage to ground could be due to water leaking onto a live component, a componentmalfunction, or a fault within the wiring harness. If water caused the CSM to trip, the leak must be repaired.7KHGLVKZDVKHUPD\UXQXQWLODOHDNFDXVHVWKHWULSWRUHRFFXU5HVHWWLQJWKH&60ZLWKRXW¿[LQJWKHunderlying issue, will likely result in a repeat call. Always perform a visual inspection of the exposed heatingHOHPHQWORRNLQJVSHFL¿FDOO\IRUFUDFNVVSOLWVRUVZHOOLQJRIWKHVKHDWK7KH6HUYLFH/('RQWKH0DLQ&RQWUROZLOOÀDVKVHYHQ WLPHVZLWKLQWKUHH VHFRQGVLIWKH&60LVLQDtripped condition. To view the Service LED, access the main control, place in a safe position and re-applypower to the dishwasher.CSM DiagnosticsNOTE: Normal water level must be present when checking the circulation pump, drain pump, and the heater.