Jun 16, 2018 · Check the boiler’s circuit board. If all the fuses are ok, but there’s still no power to the boiler, it’s likely that the circuit board on your boiler (also called the PCB) is faulty. If this is the case, your heating engineer will need to replace it with a new one.
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Should the fuse in the plug supplied need to be replaced, a fuse of the same rating as the supplied one and approved by ASTA or BSI to BS1362, (i.e., marked with or mark) must If the plug supplied with this equipment has a detachable fuse cover, be sure to attach the fuse cover after you change the fuse. Never use the Nov 18, 2015 · Blown fuses should be replaced, keeping in mind that a shorted circuit is likely the cause. Perform a visual inspection of actuator system related wiring harnesses and connectors. Repair or replace damaged or burned components as required. Connect the scanner to the vehicle diagnostic connector and retrieve all stored trouble codes. certified RV technician locate the circuit trouble. Replace blown fuses with Littelfuse type 257, Bussman type ATC, or Possing Electronic type ATP fuses only. If the 7300 series power converter is not working, first confirm the RV supply or “shoreline” cord is plugged into a live circuit. Then check all the 120-volt breakers in your RV ...
I have managed to get the power supply out of the chassis, and have opened it up to see if I could see what is wrong. Power supply make model is LiteOn PA-6601-1A 600W It was clear (once I had blown all the dust out of it!) that I had a blown 1W/2W resistor in position "R302".
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