ErrorHelp.us

Heating  Heating

Brand

Munchkin Munchkin List all brands

Type:

T50M view T50M List all types

Error code:

F03
List all errors


Error code: F03

Cause of error code F03

Interrupted or Shorted Return (Inlet) Thermister.

Solution for error code F03

- Check the electrical connection to the thermister on the inlet manifold. Verify 5 VDC by checking in Molex connector. Verify thermister values by referencing chart in this manual.
- Replace thermister if necessary.


Share this page: Facebook Twitter





© 2025 ErrorHelp.us