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• Not sure about the RL63P, but I've just fixed the thermo in my RL78P. PARAMOUNT - SWITCH FRIDGE OFF AND UNPLUG IT FROM THE MAINS!!! Decant everything plus the shelves - you will need the room. On the right hand side just above midpoint is a lozenge-shaped housing which contains lamp/thermo and lamp switch. To gain access to the thermo, locate the cleverly hidden fixing screw - there's a small grey prise-out disc just to the right of the control knob. Unscrew that and the housing should release when you draw it back - gently! There are locating tabs on the housing which slide into slots in the lining. Unscrew the retaining nut from the thermo spindle and release the thermo. Now make a diagram of the wiring connectors on both the thermo and the lamp switch. Disconnect all leads to these components (no need to touch the actual lamp connectors). You WILL need this diagram when re-connecting new thermo. Now unscrew the retaining screws on the freezing panel at the back of the fridge - be VERY CAREFUL when you pull it forward and to the left to give you access to the thermocouple end. The thick pipe attached to the panel contains the coolant fluid. The pipe is flexible enough to withstand moderate movement. There should be two screws and a plastic fillet securing the t'couple to the panel. Unscrew the screws (remembering to keep the screws in a container - easily lost under the fridge!!). The new t'couple can be bent into a U just like the defective one. Fit the new thermostat by reversing the removal instructions. Good luck - patience is a virtue! By dreeks55 - - 12 July 2009
• The thermostat is located in the same housing aas the fridge light. Once you have unplugged the fridge, remove the 1 (or possibly) 2 screws that hold the light housing to the side of the fridge. Once released you will see the thermostat. By danny2873 - South Wales - 11 July 2009