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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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power flu gas fire fault
My power flu gas fire works fine for ages and then just will not work for weeks. The switch to turn on the fan will not go on, so the gas will not release. Plumber cannot find the fault. It will all of a sudden work again. confused ! advice please please i cannot aford a new one
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#2
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power flu gas fire fault
On Oct 18, 4:06*am, Janla wrote:
My power flu gas fire works fine for ages and then just will not work for weeks. The switch to turn on the fan will not go on, so the gas will not release. Plumber cannot find the fault. It will all of a sudden work again. confused ! advice please please i cannot aford a new one -- Janla Intermittent switch first thoughts, more info on make and model would lead to intelligent comments. |
#3
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power flu gas fire fault
Janla wrote in message
... My power flu gas fire works fine for ages and then just will not work for weeks. The switch to turn on the fan will not go on, so the gas will not release. Plumber cannot find the fault. It will all of a sudden work again. confused ! advice please please i cannot aford a new one -- Janla boiler controllers are about the worst place for PbF solder |
#4
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power flu gas fire fault
Get back here so we know we are not wasting time.
When the thermostat kicks on, that demand will immediately turn on the induction fan in a forced draft system. The fan will run for X time and a pressure sensor will tell if there is a pressure buildup in the flue. However you are not even getting that far. If the induction fan never turns on, it could be the thermostat itself. You could just short the wires when it doesn't work, if it does then, it is the thermostat. If it doesn't, it may be the control board. Though the induction fan is the first thing to turn on when the demand is called, it is not directly connected as it would be in a normallt aspirated flue system. It goes to the PC board. This is because it remains runniing for a short time after the demand it met. There is a timer involved. When it doesn't work, short the wires to the thermostat out and see if it does. J |
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