Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Disconnect cylinder demand box, connected to 2x red leads as illustrated & make safe
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow the boiler to complete its self-check.
If fault code is displayed, reset boiler.
Does the display show the boiler flow temperature (fault code has reset)?
Note:
If the boiler fault code changes from the original to a different fault code, then CLICK HERE.
If fault code is displayed, reset boiler.
Does the display show the boiler flow temperature (fault code has reset)?
Note:
If the boiler fault code changes from the original to a different fault code, then CLICK HERE.
Isolate as per TOPs P4
and refit as necessary