38
4.6 - ERROR cOdES
DIsplay Controller E8 (Optional)
For error codes relating to the heating system, refer to the
section “Faults Finding” in Instructions for use supplied with
the contoller E8.
Control panel
When indicator fault light,
press the LIGHT BLUE key to view the error code on the
display.
( Num ) =
vedi legenda Par. 2.2
CODE
DISPLAY
E8
CODE
DESCRIPTION
SOLUTION
HL
01
INTERVENTION OF THE HIGH LIMIT
thermostat (10)
Press the reset button on the panel and / or verify that the
thermostat or its connections are not interrupted
GP 02
Gas pressure not sufficient
Check the gas pressure; if is correct check the efficiency of
the pressure gas and / or wiring
--
04
No flame detected during the ignition
phase.
Press the reset key on the
control panel
LF
05
Loss of flame signal during boiler
operation
Press the reset key on the panel
Ht
06
HIGH TEMPERATURE
Over high temperature detected by
the heating sensor (SR) (>95°C)
Check the operation the pump and possibly clean the heat
exchanger. (24)
LP
08
LACk OF wATeR
Fill-up the water circuit
IF
10
INTERNAL FAULT
Replace the control board.
Fd
11
FLAME PARASITE
Flame detected in ignition
Check the wiring electrode Acc / Ril. and remove any
oxidation, press the reset button, if the fault does not clear,
replace the electrode (4).
Hb
12
HEATING SENSOR (11)
Damage to the sensor heating
Check the efficiency of the sensor
(see table Res / Temp) (Pr.4) or its connections.
db
13
DHw sensor failure (only if the boiler is
combined with an external storage tank)
Check the sensor’s efficiency and/or its wiring
rb
14
HEATING RETURN SENSOR (22)
Failure of the heating return sensor
(SRR)
Check the efficiency of the sensor and/or wiring
(22)
dt
15
Difference between the heating tempera-
ture sensor (SR) and the heating return
sensor (SRR) > 35°C.
Check the installation
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