Unical KONf 115, Installation And Servicing Manual

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36
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
E13
DHW sensor failure (only if the boiler is combined
with an external storage tank) Check the sensor’s efficiency and/or its wiring
E32
Mains voltage < 190 Vac Check that the mains voltage is <190 Vac, if the
mains voltage is correct replace
the control board.
E02
Gas pressure not sufficient
Check the gas pressure; if is correct check the
efficiency of the pressure gas and / or wiring
E 29
Water inside the combustion chamber
Intervention Level Sensor (SL)
Verify condensing water draining pipe.
E15
Difference between the heating temperature
sensor (SR) and the heating return
sensor (SRR) > 35°C. Check the installation
E14
HEATING RETURN SENSOR (22)
Failure of the heating return sensor
(SRR)
Check the efficiency of the sensor and/or wiring
(22)
E06
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)
E05
Loss of flame signal during boiler
operation Press the reset key on the panel
E04
No flame detected during the ignition
phase. Press the reset key on the
control panel
E24
FAN SPEED OUT OF CONTROL
Alteration of the fan speed.
Fan speed is not achieved.
Check the operation of the fan (18) and con-
nections
E26
SPEED OUT OF CONTROL
Alteration of the fan speed
Fan speed hightest than that required
Check the operation of the fan (18) and con-
nections
E200
Verify parameter St (if 0) fault will be detected Rectify parameter St.