Routine Maintenance Instructions - Baxi Nuvola 3 Comfort Operating And Installation Instructions

BLOCK
In the presence of a block, the display
shows the symbols the flashing letters
>>>OK which flash alternately (about eve-
ry 2 seconds) with the <ERROR> message.
The block is identified by an error code fol-
lowed by the letter E.
Press OK to reset the electronic board and
restore operation.
The display shows the message <RESET>
and then the message >>>OK.
Error code Description of fault
01e
Failed ignition shutdown
02e
Safety thermostat tripped
03e
Flue thermostat/ flue pressure switch tripped
04e
Safety error for frequent losses of flame
05e
Delivery probe failure
06e
DHW sensor fault
11e
Tripping of safety thermostat for system at low temperature
(if connected)
12e
Lack of consent from hydraulic differential pressure switch
13e
Hydraulic differential pressure switch contact faulty
25e
Safety intervention for no water circulation
31e
Communication error between electronic board and climate
controller
35e
Parasite flame (flamer error)
80e-96e
Climate controller internal error
98e
Board internal error
99e
Board internal error

10. ROUTINE MAINTENANCE INSTRUCTIONS

To keep the boiler efficient and safe, have it checked by the authorised Service Centre at the end of every operating period. Careful servicing ensures
economical operation of the system.
Do not clean the outer casing of the appliance with abrasive, aggressive and/or easily flammable cleaners (e.g.: petrol, alcohol, and so on). Always
switch off the appliance before cleaning it (see section 6 "Switching off the boiler").
INSTRUCTIONS FOR USERS
2 seconds
Corrective action
Press OK. If this fault occurs repeatedly, call the authorised service
centre.
Press OK. If this fault occurs repeatedly, call the authorised service
centre.
Call the Authorised Service Centre.
Call the Authorised Service Centre.
Call the Authorised Service Centre.
Call the Authorised Service Centre.
Call the Authorised Service Centre.
Check that the pressure in the system is correct. See section 5. If this
fault persists, call the Authorised Service Centre.
Check that the pressure in the system is correct. See section 5. If this
fault persists, call the Authorised Service Centre.
Call the Authorised Service Centre.
Press OK. If this fault occurs repeatedly, call the authorised service
centre.
Press OK. If this fault occurs repeatedly, call the authorised service
centre.
Call the Authorised Service Centre.
Call the Authorised Service Centre.
Call the Authorised Service Centre.
13
C607215 - GB