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Ice

 

Mak

er

 

Wa
te

r

 

Filt
er

 

Wa
te

r

 

Ta

n

k

 

SMPS

Main

 

PCB

Push

 

up

 

sharply

 

to

 

loosen

Sw
in

g

 

be
ze

l

 

aw
ay

 

fr

om

 

door

RM255****

 

5

Summary of Contents for RM255 series

Page 1: ... Heater 2880Ω 5 120vac Water Tank Heater 29Ω 5 12vdc Fill Tube Heater 29Ω 5 12vdc Sensors 2 5kΩ 89kΩ N A 1 4 5vdc Fans N A N A 7 12vdc 1 Compressor Sub condenser Hot Pipe Back Clus ter Pipe Dryer R Capillary Tube Refrigerator Evapo rator CR Evaporator Connected Capillary Freezer Evaporator CF Evaporator Suction Pipe Compressor 2 Compressor Sub condenser Hot Pipe Back Clus ter Pipe Dryer F Capillar...

Page 2: ...ice then defrost and check the motor again after removing power from the unit If the evaporator is ice blocked and thus blocking the air flow the fan will over RPM and it is stopped Remove ice and check the motor again If everything is clear around the fan blade then the motor would be at fault Continuous fan errors will be displayed on the front panel display PLEASE NOTE The door switches control...

Page 3: ...or CF Compartment defrosting heater open or short circuit connector failure or defective temperature fuse bi metal Defrost on for over 80 minutes Disconnect heater connector from PCB check resistance WATER TANK HEATER ERROR Error is displayed when the water reservoir tank heater is open or shorted Disconnect heater connector from PCB check resistance EXT SENSOR Ambient Temp Sensor Error open or sh...

Page 4: ...sw 6 vdc GND CN76 1 11 12 VDC Blk S Blu 1 2 CF Fan Mtr Blk Brn 7 1 3 CF Fan FG Red 1 4 Ice Pipe Heater Blk Org 11 5 CR Fan Mtr S Blu Yel 6 CR Fan FG Pnk 11 10 H2O Tank Htr S Blu W CN73 120vac 1 CN70 9 Cube Mtr Yel Red 3 CN70 9 Auger Mtr Pnk Red 5 CN70 9 Water Solenoid Valve W Blk Red 7 CN70 9 Ice Solenoid Valve Prp Red CN72 120vac 1 CN70 9 CR Room Lt Wht Red 3 CN70 9 CF Room Lt Brn Red 5 CN70 9 R ...

Page 5: ...Ice Maker Water Filter Water Tank SMPS Main PCB Push up sharply to loosen Swing bezel away from RM255 ...

Page 6: ...Service Access Disassembly of Quatro Cool Evaporator Covers both access the same way ...

Page 7: ...Accessing the Refrigerator Evaporators Pull cover up and out far enough Water Tank Heater Connector Fresh Food Convertible Section Failure of the Drain Hose Hea could cause water build up o ...

Page 8: ...Remove 4 screws Snap off caps Accessing Freezer Evaporator Snap off cover Unplug wire ha Failure of the Defrost Drain Hose Heater could cause ice build up on freezer floor and cooling issues in Freezer ...

Page 9: ...RM255 9 ...

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