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Author Topic: Should be coolder  (Read 2239 times)

Offline fcharb

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Should be coolder
« on: July 08, 2011, 05:53:39 AM »

Hi, I pulled inside panel to evaporator thinking it was the evaporator fan (it was working fine) but did notice right side of coil (about 6 inches) solid block of ice. I do HVAC and can follow and instructions you throw at me. Thanks, fcharb

Model TBX23ZHB

Offline JWWebster

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Re: Should be coolder
« Reply #1 on: July 08, 2011, 09:58:32 AM »
Remove the service panel. Verify the defrost control is working by advancing it to the defrost mode. Check your defrost heater for continuity if it is ok then I suspect it probably is the termination thermostat.
Terminator replacement (this turns the heater off after a coupla mins)

Heater replacement
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Offline boyd2free

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Re: Should be coolder
« Reply #2 on: July 08, 2011, 11:42:04 AM »
If all you see is a block of ice on one side of the evap coils. i would be thinking sealed system problem,but if you saw frost and some ice. i would think the heater was working,becuase if you see ice that tells me frost has been melting,then i would check drain.