Question about Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater
Thermostat bad or wired wrong.
Check that white and yellow(or Blue) are not touching somewhere
Posted on Feb 04, 2010
YEA you have the t-stat wired wrong or the computer board has gone out
Posted on Mar 15, 2010
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Posted on Jan 02, 2017
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