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02/10/07 - 300015183-001-A
C 310 ECO - C 610 ECO
BOILER S.FAIL.
Faulty boiler sensor
Check the link and the connectors. Replace the sensor if
necessary.
Reset the boiler.
DHW S. FAILURE
Faulty domestic hot water sensor
Check the link and the connectors. Replace the sensor if
necessary.
SMOKE S. FAIL.
Faulty flue gas sensor
Check the link and the connectors. Replace the sensor if
necessary.
Reset the boiler
BACK S.FAILURE
Faulty return sensor
Check the link and the connectors. Replace the sensor if
necessary.
Reset the boiler
VALVE FAIL
Combined gas valve unit faulty
The safety control box does not signal a gas valve. Check:
- The wiring of the gas valve
- A possible fault in the gas valve (faulty coil)
- Check the wiring. Check that the fuses are in good working
condition.
PARASIT FLAME
Detection of a parasite flame
Check the tightness of the gas circuit. Check the ignition
electrode spacing.
Check that the surface of the burner does not have any fibre
residues.
REARM CVI
Control error
Reset the boiler
STB BOILER
Flow temperature > maximum
Check the wiring.
Bleed the boiler. Check the boiler pump. Check the hydraulic
circuit on the installation.
STB EXCHANGE
Exchanger temperature too high
Check the wiring.
Bleed the boiler. Check the boiler pump. Check the hydraulic
circuit on the installation.
STB SMOKE
Flue gas temperature too high
Heat exchanger fouled
STB BALK
Return temperature too high
Check the wiring.
Bleed the boiler. Check the boiler pump. Check the hydraulic
circuit on the installation.
Message
Probable causes
Solution
