Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Remove electrical connector from the DHW flow sensor and make safe
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
With the electrical connector from the DHW flow
sensor removed does the error code still flash ?
sensor removed does the error code still flash ?
Isolate as per TOPs P4
and refit as necessary