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  • Have a CTB-1 oven. The convection fan comes on but there is no heat. Any ideas?

     ectofix updated 1 year, 9 months ago 1 Member · 2 Posts
  • guest

    Member
    August 30, 2018 at 12:00 am

    Have not had an opportunity to diagnose yet just asking for any experiences

  • ectofix - Nashville

    Member
    August 30, 2018 at 7:15 pm

    Any ideas?

     

    Yes.  Some possibilities:

    • Failed contactor.
    • Faulty wiring/connection to contactor coil.
    • Bad heating element (all three is unlikely, though).
    • Failed wiring/connection to heating element (more likely for single phase)
    • Faulty temperature control or probe.
    • Failed wiring to the temperature control.
    • Faulty centrifugal switch in blower motor.
    • Faulty wire connection to centrifugal switch.
    • Maybe something else that I can’t think of at this moment…

     

    You said NOTHING about which temp control you have – be it a COOK ONLY, a SOLID STATE DIGITAL, an INTELLIPLUS, INTELLIHOLD OR INTELLIRACK, a BLODGETT IQ, an INFINITE WITH PULSE PLUS, a TWO SPEED WITH INTEGRATED CONTROL or the TRIPLE SETPOINT THERMOSTAT.  So – I can’t go further in any additional & enlightening assistance….

     

    That’s about it.  I hope this helps you in your diagnosis.

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