Variable fan or variable heat element not running

Variable fan or variable heat element not running

Problem
Variable fan or variable heat element not running

Possible Cause
Possible Solution
Incorrect wiringCorrect the wiring.
Fuse open or blownCheck why the fuse was blown and repair any problems. Replace the fuse.  
Minimum Idle setting too lowIncrease the minimum Idle speed setting.  
Idle off setting too high
Decrease the idle off setting. 
Temperature set point is above room temperature. 
Adjust the temperature set point to the desired temperature. 
No power to fan/heater
Switch on the power. 
Faulty fan/heater 
Replace the equipment. 
Circuit breaker open
Reset the breaker.




    • Related Articles

    • Variable fan or variable heat element not running

      Problem Variable fan or variable heat element not running Possible Cause Possible Solution Incorrect wiring Correct the wiring. Fuse open or blown Check why the fuse was blown and repair any problems. Replace the fuse. Minimum Idle setting too low ...
    • Troubleshooting - Variable fan or variable heat element not running

      Problem Variable fan or variable heat element not running Possible Cause Possible Solution Incorrect wiring Correct the wiring. Fuse open or blown Check why the fuse was blown and repair any problems. Replace the fuse. Minimum Idle setting too low ...
    • Variable fan or variable heat element not running

      Problem Variable fan or variable heat element not running Possible Cause Possible Solution Incorrect wiring Correct the wiring. Fuse open or blown Check why the fuse was blown and repair any problems. Replace the fuse. Minimum Idle setting too low ...
    • Variable fan or variable heat element runs at maximum.

      Problem Variable fan or variable heat element runs at maximum. Possible Cause Possible Solution Incorrect wiring Correct the wiring. Minimum idle speed too high Decrease the mimimum idle speed setting. Variable speed range matches temperature set ...
    • Variable fan or variable heat element runs at maximum.

      Problem Variable fan or variable heat element runs at maximum. Possible Cause Possible Solution Incorrect wiring Correct the wiring. Minimum idle speed too high Decrease the mimimum idle speed setting. Variable speed range matches temperature set ...