Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Remove the flow sensor assembly from its mounting
(Assembly unclips and slides out from the hydroblock)
NO demands
(Assembly unclips and slides out from the hydroblock)
NO demands
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Has the demand for DHW ended on the display?
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Isolate as per TOPs P4
and refit as necessary