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Release R.1.3 UK 75
Warning
Maintenance may only be performed by a qualified service and maintenance engineer.
F01 (blocking error)
Defect in power supply
circuit.
Phase and neutral
swapped in error.
Connect the phase and the neutral correctly. The appliance is
phase-sensitive. See ’3.10 Electrical connection’.
See appendix ’A.2 Electrical diagram BFC’.
Condensation on the
ionisation rod.
1. Disconnect the lead at the ionisation rod.
2. Ignite the appliance 3 times, with an interrupted ionisation
circuit.
3. Reconnect the ionisation lead to the ionisation rod.
4. Ignite the appliance again
5. The repeated ignition attempts will have caused the
condensation to evaporate.
If errors become persistent, contact your installer.
Floating neutral. Install an isolating transformer. See ’3.10.4 Isolating Transformer’. Contact your installer to have an isolating transformer installed.
F02 (lock out error)
Fan fails to run at
correct speed.
Damaged wiring. 1. Check the wiring between the fan and the controller.
2. If any wires are damaged, the wiring harness must be
replaced.
3. Reset the water heater controller.
To have the wiring replaced and a new fan fitted, you must contact
your installer.
Contaminated or
blocked fan.
1. Check whether the fan is contaminated.
2. Check that the rotor can rotate freely.
3. Reset the water heater controller.
Because of a voltage
drop in the mains
power, the fan will not
run at the correct
speed.
1. Check the supply voltage. This must be 230 VAC (+10% -15%).
2. Reset the water heater controller.
Table 10.2 Displayed errors (Sheet 3 of 10)
Code + Description Possible cause Solution Remark