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Old 09-21-2010, 12:48 PM   #1
billybob1234
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300m heater blows cold

The heater only blows cold air, took suggestion on where to find code, shows a 23 what does this mean?
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Old 09-23-2010, 07:54 PM   #2
tinmanwpk
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Re: 300m heater blows cold

Sounds like a bad t-stat. Where does your temp gauge read?
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Old 01-12-2011, 09:53 PM   #3
cocks12
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Re: 300m heater blows cold

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.
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Old 01-13-2011, 10:18 AM   #4
tinmanwpk
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Re: 300m heater blows cold

Quote:
Originally Posted by cocks12 View Post
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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