I have 1974 mobile home with a colman furnace model # 7995A656 and it kicks on and off at night and wont stay running. I have restarted it, cleaned and changed the filters, oiled the fan and motor. What is wrong with it. Is it going to be expensive to fix.
Denise, my heater not a coleman (a monitor heater (oil) kept turning off when the temp got really cold. I would advise you to ask if you can do this, I addded an additive to my drum outside which holds the fuel. Because the deisel thickens up when it gets cold, which makes the heater have a harder time distributing the fuel to the heater. So far the heater has not kicked off.
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Apr 23, 2012 - Uploaded by grayfurnaceman
When the gas furnace short cycles, and it does not bring the structure up ... have a frazier Johnson furnace with 9 blinks on diagnostic light. just ...
Is this your main heating system for the mobile home? I hope these other solutions mentioned help but I would think you have to replace it since it is a 1997. Mobile homes get cold I wouldn't trust it if it does it again.
If this is a newer furnace, an indication of an error is that the room air blower stays on. Get in front of the furnace and see if you can see any blinking lights. Try not to remove any panels as you will erase any error codes. There should ba a small viewing port that you can look through. Once you count the blinks, look at the wiring diagram for the error code chart. It may give you a starting point. Can you tell us a make and model number of the system?
If the room air fan is always on you could have the thermostat in the On position rather than in the Auto position, You could have a bad fan relay or the furnace is a "Lock-out" mode. A Lock-out occurs when the furnace attempted to start but could not for some reason. The computer board logs an error code and blinks a number of times. There should be an error code chart where ever the wiring diagram is located in the furnace. It may give you an idea where to start looking if in Lock-out. Good luck.
colman uses the furnace to power the attic vent fan . Cheaper that way I guess. It just supplies your attic fan with power so it will vent thus keeping your home a little cooler in the summer. not a big deal. you can shut the alarm with a switch ot cut power to the alarm.