14
1.5.5.
Shutdown due to fan malfunction
IlThe fan work is constantly monitored and in case of malfunction it goes off; the boiler shutdown symbol
is
displayed and code E17 flashes.
This mode is maintained until the fan recovers normal working parameters.
If the boiler should not start and remain in this mode, contact a qualified Service Centre or service engineer.
1.5.6.
Alarm due to temperature probe malfunction
If the burner shuts down due to malfunction of the temperature probes, the boiler shutdown symbol
is displayed and the following
codes may flash:
• E05, CH probe:
the boiler does not work.
• E06, DHW probe:
the boiler only operates in CH mode, not DHW mode.
• E12, storage probe:
the boiler operates in CH and instantaneous DHW mode.
Contact a qualified Service Centre or service engineer.
1.5.7.
Alarm due to gas valve modulator malfunction
If the gas valve modulator malfunctions, the boiler shutdown symbol
is displayed and code E16 flashes.
The boiler will continue to operate, but at the minimum available output.
Contact a qualified Service Centre or service engineer.
1.5.8.
Alarm due to (optional) remote control connection malfunction
The boiler recognises whether or not there is a remote control (optional). If the remote control is connected but
the boiler does not receive instructions, the boiler shutdown symbol
is displayed and code E22 flashes.
The boiler will continue to operate according to the settings on the control panel (fig. 1) and ignore the remote control settings.
Contact a qualified Service Centre or service engineer.
1.5.9.
Alarm due to (optional) external probe malfunction
If the (optional) external temperature probe malfunctions, the boiler shutdown symbol
is displayed and code
E23 flashes.
The boiler will continue to operate, but the sliding temperature function is deactivated. The temperature of the
CH water is regulated according to the position of regulator 4 (fig. 1), which in this case loses its function as a calculated room temperature
regulator (see par.1.4.7.).
Contact a qualified Service Centre or service engineer.
1.6.
Maintenance
The boiler must be serviced periodically as indicated in the relevant section of this manual.
Correct maintenance of the boiler will allow it to work efficiently, without harming the environment, and in complete safety.
Maintenance and repairs must be performed by qualified personnel.
The user is strongly advised to have the boiler serviced and repaired by one a fully qualified Service Centres.
Refer to Section 5 – Maintenance for detailed instructions.
The user may only clean the external casing of the boiler, using ordinary furniture cleaning products.
Do not use water.
1.7.
Notes for the user
The user may only access parts of the boiler that can reached without using special equipment or tools. The user is not authorised to
remove the boiler casing or to operate on any internal parts.
No one, including qualified personnel, is authorised to modify the boiler.
The manufacturer cannot be held liable for damage or injury due to tampering of the boiler or improper intervention.
If the boiler remains inactive and the power supply is switched off for a long time, it may be necessary to reset the pump.
This involves removing the casing and accessing internal parts, so it must only be done by suitably qualified personnel.
Pump failure can be avoided by adding to the water filming additives suitable for multi-metal systems.
