Set Appliance State:
Mains Power Off
CH Demand
Main On/Off Control in the On position
CH Temperature Control to Maximum
CH Temperature Control to Maximum
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
If a fault code is displayed press boiler 'Reset' button.
Select Diagnostic Mode on Multifunction Display by pressing both buttons together.
Push left hand button to step through diagnostic codes until screen shows "d.33" and then press the right hand button once. Operate the boiler and note the reading obtained (required fan speed).
Now select "d.34" and then press the right hand button once. Operate the boiler and note the reading obtained (actual fan speed).
Compare the readings.
Reset Display.
Select Diagnostic Mode on Multifunction Display by pressing both buttons together.
Push left hand button to step through diagnostic codes until screen shows "d.33" and then press the right hand button once. Operate the boiler and note the reading obtained (required fan speed).
Now select "d.34" and then press the right hand button once. Operate the boiler and note the reading obtained (actual fan speed).
Compare the readings.
Reset Display.
