19
1.9.5.
Alarm due to temperature probe malfunction
The following fault codes are shown on the display in the event of burner shutdown due to a temperature probe fault:
- e05 for the CH probe. In this case the boiler does not work.
- e06 for the DHW probe. In this case, the boiler works in central heating mode only, and the DHW function is disabled.
- e12 for the water cylinder probe (models KRB/KR); in this case, the boiler works in central heating mode only, and the DHW function is disabled.
- e15 for the return probe. In this case the boiler does not work.
In all cases, contact a Service Centre or a qualified engineer for maintenance.
1.9.6.
Shutdown for fan malfunction
The fan operation is constantly monitored and in case of malfunction the burner goes off; the code e40 flashes on the display.
This mode is maintained until the fan recovers normal working parameters.
If the boiler does not start and remains in this mode, contact a Service Centre or a qualified service engineer.
1.9.7.
Alarm due to (optional) Remote Control connection malfunction
The boiler recognises whether or not there is a Remote Control (optional).
If the boiler does not receive information from the Remote Control after the Remote Control itself is connected, the boiler attempts to re-establish
communication for 60 seconds, after which the fault code e31 is shown on the Remote Control display.
The boiler will continue to operate according to the settings on the control panel and ignore the Remote Control settings.
The remote control can indicate faults or shutdown conditions and can also restore boiler operation after shutdown up to a maximum of 3 times in
a 24 hour period. If the maximum number of attempts is reached, fault code e99 is shown on the boiler display.
Contact a Service Centre or a qualified service engineer to carry out the maintenance.
1.10.
Maintenance
The boiler must be serviced periodically as indicated in the relevant section of this manual.
Appropriate boiler maintenance ensures efficient operation, environment preservation, and safety for people, animals and objects.
Maintenance and repairs must be performed by qualified personnel.
The user is strongly advised to have the boiler serviced and repaired by a qualified Service Centre.
1.11.
Notes for the user
The user may only access parts of the boiler that can be 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 shall not be held responsible for damage to people, animals, or property due to tampering with or improper interven-
tion to the boiler.
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 carried out by suitably qualified personnel.
Pump failure can be avoided by adding to the water filming additives suitable for multi-metal systems.
