ErrorHelp.us

Heating  Heating

Brand

Laars Laars List all brands

Type:

U.H.E 100T150 view U.H.E 100T150 List all types

Error code:

23
List all errors


Error code: 23

Cause of error code 23

Flame Detected Before Ignition

Solution for error code 23

- Check to make sure gas valve has closed.
- No voltage should be present at the gas valve before the ignition cycle.
- Make sure wire positions on the wire harness are correct.
- If gas valve is stuck open, replace.


Share this page: Facebook Twitter





© 2025 ErrorHelp.us