Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Selector switch to Hot Water
DHW thermostat up to MAX
Attach Performance Tester FGA Clamps on flow and return pipes just below primary thermistor
DHW thermostat up to MAX
Attach Performance Tester FGA 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?
Does the boiler have a temperature differential of approx. 11 to 20°C?
Does the fault code reappear?
