Set Appliance State:
Mains Power Off
Selector switch to Hot Water position
DHW temperature control set to MAX
Preheat OFF
DHW temperature control set to MAX
Preheat OFF
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Ensure the start-up sequence has completed, the pump and fan have stopped and the boiler is showing 0.
Run the hot tap with a flow rate of 3 l/min.
The display should show "d" and the fan and pump should run.
Does the boiler react as described above?
FAN AND PUMP RUN AS EXPECTED
DISPLAY SHOWS "d" AND FAN RUNS BUT PUMP DOES NOT
DISPLAY SHOWS "0" AND NEITHER THE FAN NOR THE PUMP RUN
A FAULT CODE IS DISPLAYED AFTER RUNNING THE TAP
Run the hot tap with a flow rate of 3 l/min.
The display should show "d" and the fan and pump should run.
Does the boiler react as described above?
FAN AND PUMP RUN AS EXPECTED
DISPLAY SHOWS "d" AND FAN RUNS BUT PUMP DOES NOT
DISPLAY SHOWS "0" AND NEITHER THE FAN NOR THE PUMP RUN
A FAULT CODE IS DISPLAYED AFTER RUNNING THE TAP