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Release R.1.3 UK 72
Warning
Maintenance may only be performed by a qualified service and maintenance engineer.
10.3 Troubleshooting table for displayed errors
Explosive ignition Incorrect supply
pressure and/or burner
pressure.
Set the correct supply pressure and/or burner pressure, see
’3.11 Checking the supply pressure and burner pressure’.
If ignition is not improved, consult your installer.
Contaminated burner Clean the burner. See ’12.4.2 Cleaning the burner’
Contaminated orifice. Clean the orifice. See ’12.4.3 Cleaning the orifice’
Insufficient or no hot
water.
Appliance is turned off. Start-up the appliance. See ’7.2 Starting up’
No electric power
present.
1. Check whether the mains switch is ON.
2. Check that there is power to the mains switch.
3. Check whether the ON/OFF switch of the ThermoControl is ON
(position I).
4. Check whether there is power to the electrical connection
block.
5. The voltage measured must be 230 VAC (-15%, +10%).
See appendix ’A.2 Electrical diagram BFC’.
If the error cannot be rectified, contact your installer.
Hot water supply is
used up.
Reduce hot water consumption and give the appliance time to heat
up.
If there continues to be insufficient or no hot water, consult your
installer.
The controller is in
OFF mode.
Put the controller in ON mode, see ’8.3 Switching into “ON mode”’.
Temperature (T
set
) is
set too low.
Set temperature (T
set
) to a higher value, see ’8.4 Setting the water
temperature’.
Table 10.1 General errors (Sheet 3 of 3)
Symptom Cause Solution Remark