User manual WHIRLPOOL WRF540CWBM WARRANTY INFORMATION
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Manual abstract: user guide WHIRLPOOL WRF540CWBMWARRANTY INFORMATION
Detailed instructions for use are in the User's Guide.
[. . . ] COMPONENT DESCRIPTION ELECTRICAL SEQUENCE: OPERATION: Water
COMPONENT DESCRIPTION: Control Box
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OPERATION: Refrigeration . SANITIZING AND CLEANING MAINTENANCE: Air Cooled SERVICE DIAGNOSIS: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MAINTENANCE AND CLEANING
MAINTENANCE AND CLEANING: Auger
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REMOVAL AND REPLACEMENT: Water Reservoir & Bin Controls REMOVAL AND REPLACEMENT: Auger
REMOVAL AND REPLACEMENT: Bearing And Breaker . REMOVAL AND REPLACEMENT: Fans LIQUID CHARGING . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Drain the water reservoir and freezer assembly using the drain tube attached to the freezer water inlet. Return the drain tube to its normal upright position and replace the end cap. Prepare the cleaning solution: Mix eight ounces of Scotsman Ice Machine Cleaner with three quarts of hot water. A possible sanitizer solution may be obtained by mixing two gallons of warm (90-115oF. ) potable water with 1 ounce of household bleach. Slowly pour the sanitizer solution into the water reservoir until the float rises, then switch the master switch ON. As the ice machine uses water from the reservoir, continue to pour the sanitizer solution into the reservoir. After 1/2 of the sanitizer solution has been added to the reservoir, and the reservoir is nearly empty, switch the master switch OFF. Drain the reservoir and thoroughly wash the interior of the reservoir and cover with sanitizer solution. Continue ice making for at least 15 minutes, to flush out any cleaning solution. Add warm water to the ice storage bin and thoroughly wash and rinse all surfaces within the bin. Sanitize the bin interior by thoroughly washing the interior of the bin and bin door with the balance of the sanitizer solution. Loosen band clamp under ice chute, and remove ice chute from evaporator. Drain the evaporator by lowering and uncapping the evaporator drain hose. After the auger has been removed, allow the auger to dry: if the auger is not bright and shiny, it must be cleaned. Reverse to reassemble.
January 1995 Page 19
NME950 & WRF540CWBM
SERVICE DIAGNOSIS:
Symptom No ice is made, nothing operates Possible Cause Unit off due to no power Unit off due to master switch in OFF position. Check/clean ice level sensors.
Unit off due to ice level sensors (photo-electric eyes) blocked. Check for water interruption (water cooled) or fan motor failure (air cooled). Check, replace board Check, replace sensor Check/replace contactor
Low pressure control open
No ice, auger motor is turning
Check start capacitor. Check start relay Check compressor windings Circuit board compressor relay Check, replace board will not close. High discharge pressure Clean the air filter and because of a dirty condenser condenser. Low capacity because the Clean the water system auger and evaporator are coated with mineral scale Low suction pressure due to Locate leak. Recover low refrigerant charge refrigerant, repair leak, replace dryer, evacuate and weigh in the nameplate charge
January 1995 Page 20
Centrifugal switch in auger motor does not close. [. . . ] It is · HP62 is not compatible with mineral oil, so these ice machines use
Polyolester oil. When one of these refrigeration systems is opened for service, it must be re-sealed as soon as possible (15 minutes maximum).
· Special leak detection equipment is required to locate small refrigerant
leaks. Usually a leak detector capable of detecting a Halongenated refrigerant or HFC-134a will work. Access Valves: To use the access valves: · Remove the cap from the stem, use a 3/16" allen wrench to check that the valve is CLOSED. [. . . ]
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