My gas heater switches off by it self. It starts fine then after about 1 min beeps and restart sign comes on and about 2 to 3 min. later the heater switches off but it does keep on beeping. It was bought second hand and installed yesterday by a gas fitter.
Can you tell me where I can purchase an instruction manuel
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Check roll out switches located around burner compartment.
there is a small square button between the wire terminals press firmly down on it to rest switches. If this solves the problem have the furnace cleaned and checked by a professional HVAC technician.
As long as the burner works it is unlikly that the thermostat is your problem. It is more likly the fan limit switch needs replaced.Unfortunatly I am having no luck finding a wiring diagram for this model so I can't tell you where it is at,but I think that's the problem. Thank you. Sorry I'm not more help
sounds like the hi limit switch is shutting it down,because it is not getting enough water,cloged filter, valve to heater notopen,bypass valve not closed,open up the water releif valve with the pump running should be alot of water running coming out of it.
I am sure you have gotten this fixed by now. A 1 code is a general lockout meaning it tried to light 3 times and did not. A 2 code is for a stuck closed pressure switch. That pressure switch is normally open. If unit is off, and you remove the wires and using a multimeter, ohm across it, it should be open. If not, it needs to be replaced.
Flame rollout sensors, overheat thermistor, air proving switch, bad earthing, blocked flue. Any of these things can cause your problem. If its a permanent pilot, is it clean burning?? If electronic ignition, is the flame rod clean i.e. no carbon or rust etc..
Safest bet is a qualified gasfitter take a look at it.