List Of Faults - Ferroli SKY ECO F Installations, Bedienungs Und Wartungsanleitungen

3.4.1 LIST OF FAULTS

Fault
Fault
code
The burner does not
A01
ignite.
Flame signal present
A02
while the burner is off
Protection activated
A03
No flame is present
after the ignition
A06
phase.
Faulty gas valve
A09
Faulty gas valve
A16
Bad combustion fault
A21
Sensor position
A41
Bad combustion fault
A51
Card setting fault
F04
Card setting fault
F05
Faulty fan
Card setting fault
F07
Faulty DHW 1 sensor
F10
Faulty DHW 2 sensor
F14
Combustion control
F20
fault
Supply voltage under
F34
180 V.
Faulty DW sensor
F42
Faulty gas valve
F50
92
EN
Possible cause
Lack of gas
Faulty detection/ignition electrode
Faulty gas valve
Gas valve wiring interrupted
Ignition power too low
Faulty electrode
Faulty card
Faulty DHW sensor
No water is circulating.
Low pressure on the gas network
Minimum burner pressure adjustment
Wiring interrupted
Faulty gas valve
Wiring interrupted
Faulty gas valve
Fault F20 generated 6 times in the last 10
minutes
DHW sensor detached from the pipe
Obstruction of the aspiration/evacuation duct Check the flue.
Incorrectly configured card setting
Incorrectly configured card setting
Wiring interrupted
Faulty fan
Faulty card
Incorrectly configured card setting
Defective sensor
Short-circuited wiring
Wiring interrupted
Defective sensor
Short-circuited wiring
Wiring interrupted
Faulty fan
Incorrect diaphragm
Flue badly sized or obstructed
Problems in the electrical network
Defective sensor
Modulating actuator wiring interrupted
Faulty gas valve
cod. 3541S170 - Rev. 04 - 09/2019
SKY ECO F
Solution
Make sure gas is flowing properly to the heater, and
no air is present in the pipes.
Make sure the electrode is properly installed,
connected, and free of deposits.
Check the gas valve and replace if necessary.
Check the wiring.
Adjust the ignition power.
Check the ionization electrode wiring.
Check the card.
Check the position and operation of the DHW
sensor.
Check the flow switch.
Check the gas pressure.
Check the pressures.
Check the wiring.
Check the gas valve and replace if necessary.
Check the wiring.
Check the gas valve and replace if necessary.
See fault F20.
Check the position and operation of the sensor.
Check the card setting and change if necessary.
Check the card setting and change if necessary.
Check the wiring.
Check the fan.
Check the card.
Check the card setting and change if necessary.
Check the wiring or change the sensor.
Check the fan and the respective wiring.
Check the fan and the respective wiring.
Check the diaphragm and replace if necessary.
Check the flue.
Check the electrical installation.
Change the sensor.
Check the wiring.
Check the gas valve and replace if necessary.