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Instruction manual BFC 68
13.2 Troubleshooting table for general errors
Warning
Maintenance may only be performed by a qualified service and maintenance engineer.
General errors
Symptom Cause Solution Remark
Gas smell Gas leak
Warning
Close the main gas valve immediately.
Warning
Do not operate any switches.
Warning
No naked flames.
Warning
Ventilate the boiler room.
Warning
Contact your installation engineer or local gas company
immediately.
Display is off Appliance is turned off Start the appliance up (9 "Starting and running")
No supply voltage
present
1. Check if the isolator is ON.
2. Check that there is power to the isolator.
3. Check whether the ON/OFF switch of the electronic controller is
ON (position I).
4. Check whether there is power to the electrical connector block.
5. The measured voltage must be 230 VAC (-15%, +10%).
See the BFC electrical diagram (17 "Appendices")
If the error persists, consult your installation engineer.
Defective fuse(s) Replace fuse(s) To replace the fuses, you must contact your installation engineer.
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