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 i.e. the pump and fan have stopped and "For central heating turn mode knob clockwise" scrolling with "Summer Mode" is on the display indicating standby.
Run the hot tap with a flow rate of 3 l/min.
The display should show the following on a loop:
"Hot Water" > "Temperature xx°C" > "High Efficiency"
The pump and fan should also run.
Does the boiler react as described above?
FAN AND PUMP RUN AS EXPECTED
DISPLAY AS DESCRIBED AND FAN RUNS BUT PUMP DOES NOT
DISPLAY REMAINS IN STANDBY 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 the following on a loop:
"Hot Water" > "Temperature xx°C" > "High Efficiency"
The pump and fan should also run.
Does the boiler react as described above?
FAN AND PUMP RUN AS EXPECTED
DISPLAY AS DESCRIBED AND FAN RUNS BUT PUMP DOES NOT
DISPLAY REMAINS IN STANDBY AND NEITHER THE FAN NOR THE PUMP RUN
A FAULT CODE IS DISPLAYED AFTER RUNNING THE TAP
