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300m heater blows cold


billybob1234
09-21-2010, 12:48 PM
The heater only blows cold air, took suggestion on where to find code, shows a 23 what does this mean?

tinmanwpk
09-23-2010, 07:54 PM
Sounds like a bad t-stat. Where does your temp gauge read?

cocks12
01-12-2011, 09:53 PM
Keep it on for some time and check if it turns hot or is it still same. and it also better to check that in the garage.

tinmanwpk
01-13-2011, 10:18 AM
Keep it on for some time and check if it turns hot or is it still same. and it also better to check that in the garage.
Be sure the garage door is open to avoid carbon monoxide poisoning.

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