Set Appliance State:
Mains Power Off
CH/HW switch in HW position
Ensure that the boiler is cold and ready for Pre-heat
Boiler On/Off switch ON
Ensure that the boiler is cold and ready for Pre-heat
Boiler On/Off switch ON
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Ensure that upon switching on the boiler ON/OFF,
the relay RLB on PCB 26 switches.
Switching can be observed through clear plastic casing of relay.
the relay RLB on PCB 26 switches.
Switching can be observed through clear plastic casing of relay.