Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
DHW Demand
Selector Switch to Hot Water and Heating
DHW thermostat up to MAX
Attach FGA Temperature Clamps on flow and return pipes just below primary thermistor
DHW thermostat up to MAX
Attach FGA Temperature Clamps on flow and return pipes just below primary thermistor
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow boiler and DHW to heat to its maximum
approx. 65-75°C on the flow pipe.
Does the boiler have a temperature differential of approx. 11 to 20°C?
Does the fault code reappear?
approx. 65-75°C on the flow pipe.
Does the boiler have a temperature differential of approx. 11 to 20°C?
Does the fault code reappear?
