cant turn off electric heater or blower - http://www.hvacmechanic.com/ Forums


Original message

lowerycwl

99.135.239.77

"cant turn off electric heater or blower" , posted Sun 17 Feb 21:01user profileedit/delete messagepost reply


I have several apt. air handlers with the same problem, heater and fan wont turn off at thermostat. replaced sequencer,relay and limit switch, coils not shorted fuse ok, also replaced thermostat. Any help would be great

cwl

 


Replies:

amech

69.243.161.150

"Re(1):cant turn off electric heater or blower" , posted Sun 17 Feb 22:36user profileedit/delete messagepost reply


Check low voltage control wiring. Knowing how to use a multimeter will make finding the problem alot easier. Changing parts only cost more money. cheaaper for a service call from a pro.

 

 

lowerycwl

99.135.237.47

"Re(2):cant turn off electric heater or blower" , posted Tue 19 Feb 13:05user profileedit/delete messagepost reply


all wiring correct, and yes I know how to use a multimeter

cwl

 

 

lowerycwl

99.135.237.47

"Re(3):cant turn off electric heater or blower" , posted Tue 19 Feb 13:10user profileedit/delete messagepost reply


If I change entire heating unit all works fine just cant figure out problem because with all new parts it should work

cwl