...furnace for a circuit board. The board may have a small 3 or 5 amp fuse. Check to see if it is blown. The circuit board may have a blinking light to diagnose the problem. The diagnosis scheme should ...
...Furnace GMP125-5. The circuit board indicated an open limit switch (4 blinks), either main or aux. How does one check the limit switches and where are they found? How does one fix the problem? There ...
...furnace has a primary limit circuit open, possibly from loose wiring or blocked filters. Check and clean filters, tighten wiring and check the flue for blockages. What the heck does that mean? In ...
Question about Heating & Cooling
...furnace is draining. 5. A problem with the circuit board itself. (Which seems to have power and can operate the fan still.) Unfortunately there aren't many other tests outside of this that wouldn't ...
Question about Heating & Cooling
...furnace is new enough you should notice a small "window" in one of the doors, (usually round) after you complete step 1 and verify power, look into this small window and you should see a small ...
circuit breakers, the A/C unit is running and I can feel cold coming into the furnace unit...but the fan will not start. The squirl cage rotates freely with no squeeking. There is a red light blinking
...circuit has expired (usually 5 min). If the relay is not engaging then look for a wiring problem between the condenser and the furnace. Do you have dogs that run near the condenser? I often find ...
...5 ton unit you have. Is this L6 code coming from the indoor units circuit board? If so, remove the panel where you see this if there is a red led light that is blinking. It may kill power if you ...
Question about Comfortmaker Heating & Cooling
...5 min wait repowered unit - led light stays on but faint ,no blinking . tried this twise same out come what sould i try next ?? - thx for the help There should be an automotive 3 amp fuse on the ...
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