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Istruzioni per l'uso Estate, Modello WB 818

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9 TROUBLESHOOTING The troubleshooting cheek list is common for all dishwasher models. They use different parts to accomplish the same thing and diagnosis will remain similar. When a problem arises, and a possible cause is listed, follow the test, remove or replace procedures as outline in this service manual. The wiring diagram, shematic and timer cycle chat is a necessity when making electrical checks. In most cases an ohmmeter will handle all the tests necessary. For checking any particular cycle of operation, it absolutely necessary that the cycle be set up as outlined in the product owner’s guide. SYMPTOM CHECK THE FOLLOWING REMENDY Dishwasher will not .fuse (blow nor tripped) .Replace fuse or reset breaker. operation when turn on . Supply line receptacle, wiring harness. . Circuit board (contacts open or burnt). . Motor (inoperative, check resistances). .Door switch (open contacts) .Door latch not making contact with door switch. .Repair or replace. .Replace circuit board. .Replace motor. .Replace door switch. . Replace or adjust to make contact. Dishwasher stop washing but draining . Overflow occur. . Check the reason of overflow pull out the rubber cap wait for a minute let water pour out. Water can’t pour out from float support when pull out the rubber cap. .Hole in the float supply is jammed. .Suck with dust cleaner or other let water pour out. Dishwasher runs but not heat .heater element (open). .Timer contacts (open or burnt). . Wiring or terminal (burnt or broken). . Thermostat is closed. .Replace heater element. .Replace timer. .Repair or replace. .Replace. Dishwasher will not stop. .Timer motor (inoperative). . Wiring or terminal (burnt or broken). .Timer (open or burnt contact). .Replace timer. .Repair or replace. .Replace timer. Dishwasher runs with door open .Defective door safety switch. .Replace door safety switch. Motor hums but will not .Start winding(open). .Replace motor. 10 start or run. . Motor (bad bearings or locked rotor). .Replace motor. Motor trips out on in terminal thermal overload protector. .Start relay not dropping out. .Improper voltage. .Seal faces binding. .Motor shaft binding. .Motor windings shorted. .Glass or foreign items in pump. .Replace start relay. .Check voltage. .Repair or replace. .Repair or replace. .Repair motor. .Clean and clear area. Repeated dishwasher cycles . Circuit board (contacts open or burnt) . Motor (inoperative, check resistances). .Replace circuit board. .Replace timer. Dishwasher does not . Damaged circuit board. .Replace circuit board. advance automatically. .Check circuit for power ,check if the wire misconnected. .Have wire cut off . Reconnected wire and circuit board . .Repair. Dishwasher will not fill with water. .Water supply turns off. .Defective inlet valve. . Check valve screen for obstructions. .Defective float switch. .Damaged circuit board. .Wiring (broken or burnt). .Turn water supply on. .Replace inlet valve. .Disassemble and clean screen. .Replace switch. .Replace circuit board . .Repair or replace. Incomplete water fill. .Low water pressure. .Clogged water inlet valve screen. . Heavy water supply usage elsewhere in home. .Kinked or restricted fill hose, water inlet valve to fill tunnel. . Minimum water pressure of 15P.S.I .Clean water inlet valve screen. . Use dishwasher when water usage is at a minimum. .Correct as needed. Too much water fill. .Water inlet fill valve defective. . Damaged circuit board (open or burnt). . Float arm binding or out of adjustment. .Replace water inlet fill valve. .Replace circuit board. .Repair, adjust or replace. Dishwasher will not pump out. .Drain pump is restricted. .Damaged impeller. .Wiring or terminal (contacts open or burnt). .Clear restrictions. .Replace drain pump. .Replace circuit b...