October 29, 2020 By admin

Tricky Code 33 (Insulation)

Error code 33 can be a tricky-one that shouldn’t always result in a replacement limit switch. These next three videos from a recent training class explain one possible reason why a new switch won’t solve the problem.

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Tricky Code 33 (Model Plug)

Tricky Code 33 (Model Plug)

Tricky Code 33 (80% Furnaces)

Tricky Code 33 (80% Furnaces)

Code 33 – Draft Safeguard Switch

Code 33 – Draft Safeguard Switch

Code 33 – Stat Losing Time

Code 33 – Stat Losing Time

Code 33 – 58MVC Furnace

Code 33 – 58MVC Furnace

Code 33 – 58MVC Heat Exchanger Replacement

Code 33 – 58MVC Heat Exchanger Replacement

Code 33 – 59MN7 Manifold Pressure

Code 33 – 59MN7 Manifold Pressure

Code 33 – But It’s Still Running

Code 33 – But It’s Still Running

Code 33 – Main Limit

Code 33 – Main Limit

Code 33 – What Have You Done?

Code 33 – What Have You Done?