59
Fault finding
Code:
Description:
Air in the pump (only for pump with Sensor
Logic
Corrective action:
Manually bleed the air from the circuit
Code:
Description:
DHW sensor failure (SS) (only if the boiler is com-
bined with an external D.H.W. tank)
Corrective action:
Check the sensor’s efficiency and/or its wiring
Description:
Jammed pump (only for pump with
SensorLogic)
Corrective action:
After removal of the central plug of the pump
body turn with a screw driver the pump rotor
and replace the plug.
E 41
E 13
E 14
E 2
E 15
E 42
Codice:
Description:
Failure on the pump wiring (only for pump with
SensorLogic)
Corrective action:
Verify the wiring
E 43
24
18
12
6
In case of fault, on the display of the regulator a blinking trian-
gle with its error code will appear
Here below you will find the E8 error codes, the relevant
meaning and corrective actions.
For the error codes related to the heating system, make
reference to the paragraph “Fault finding” of the “User
Instruction manual” supplied with the E8.5064 heating
controller.
5.3 - DISPLAY OF ERROR CODES ON HEATING CONTROLLER E8
Code:
Description:
Insufficient gas pressure
Corrective action:
Check the pressure, if the pressure is correct
control the gas switch and/or its wiring.
Code: Description:
Difference between the temperature of the CH
sensor (SR) and the temperature of the heating
return sensor (SRR) > 35°C.
Corrective action:
Examine the system.
Code:
E 32
Description:
Mains supply < 190 Vac
Corrective action:
Check that the mains supply is < 190Vac. If the
mains supply is correct replace the control board.
Code:
Code:
Code:
Code:
Code:
E 40
E 6
E 5
E 4
Description:
Failure of the heating return sensor (SRR)
Corrective action:
Check the efficiency of the sensor and/or its wiring
Description:
Bad water circulation
Corrective action:
Examine the system
Description:
Water temperature too high detected by the CH
sensor (SR) (>95°C)
Corrective action:
Check adequate flow of water through boiler
Description:
Loss of flame signal during boiler operation
Corrective action:
Press the reset button on the control panel
Description:
No flame detected during the ignition phase
Corrective action:
Press the reset button on the control panel
Code:
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