or O.L.), the heating element is broken and must be replaced. 4. Replace the Heater Core If the heater is bad, replacement is required.
: In some cases, oxide build-up on the internal connections can trick the controller into sensing a heater failure. gordak 952 he error portable
: Position a fresh replacement element matching the core voltage specifications. Solder the connections securely to the terminal board tabs. gordak 952 he error portable