Errors

Boiler type WGRTNG199

Error code Er:33

Cause:

H/X Temperature Sensor Open or Short.

Solution:

This Error Code will go away when outlet water temperature decreases.
If Error happens again:
- Check operating temperature sensor. Ensure connections are secure. |
- Check sensor resistance. If resistance is zero, replace the sensor. |
- If the problem persists, replace the main control.