Immergas HERCULES Condensing 26 2 E Manual page 65

Technical Documentation
The pump starts.
Yes
The error 16 appears on the display
The error 20 appears on the display
No
The ignition electrodes make the
spark.
Yes
The burner ignites.
Yes
The burner stays on after the first
10 seconds.
Yes
The error 27 appears on the display
The error 02 appears on the display
The error 03 appears on the display
C h e c k M A X C H
parameter and, if
The boiler reaches
necessary, adjust it
and maintains the set
until a pressure value
central heating tem- No
is obtained that cor-
perature.
responds to the re-
quested output.
Yes
- Check the electrical connections between the
Any low temperature zones control unit and mixing valves
zones are satisfied. - Check their functionality and replace them
No
if necessary
Yes
The central heating request is satisfied.
STHCkW ed 04/09
The error 02 appears on the display
No
The error 03 appears on the display
No
The error 16 appears on the display
No
See error section 16-b
Yes
See error section 20
Yes
The error 01 appears on the display
No
(wait for the board to make 2 ignition cycles).
The error 01 appears on the display
No
(wait for the board to make 2 ignition cycles).
The error 04 appears on the display
No
(wait for the board to make 5 ignition cycle attempts).
The error 01 appears on the display
No
(attendere che la scheda compia 2 cicli di accensione).
See error section 27
Yes
Yes See error section 02-b
See error section 03-b
Yes
See section D
Technical Documentation
Yes
No
Check that:
- the OUTPUT pa-
rameter corresponds to
the boiler output.
The boiler reaches - c h e c k t h e M A X
and maintains the set SPEED parameter and,
No
DHW temperature. if necessary, adjust it
until a pressure value
is obtained that cor-
responds to the maxi-
mum output.
Yes
The domestic hot water request is satisfied.
63
See error section 02-a
See error section 03-a
See error section 16-a
See error section 01-a
See error section 01-b
See error section 04
See error section 01-c
See section D
HERCULES Condensing Export