E.C.A. CITIUS PREMIX - Error Codes and Descriptions

Error Code Error Type Possible Cause Troubleshoong
A00 Error on mainboard soware Mainboard soware problem
A01/E01 Ignion Fault
No gas connecon for combi
boiler.
It is triggered if flame is detected in
the burner while gas valve is
closed.
A02/E02 False Flame Signal
It will occur if the temperature of
return and supply water exceeds
90°C.
A03/E03 Over Temperature Warning mode, check that at least 1 radiator is open.
A05/E05
No feedback from the fan for
more than 1 minute
1- Press reset buon.
Fan or fan cable problem 2- If the error is sll present (or persists) aer reset,
nofy authorized service of E.C.A.
A06
Fan cannot reach the required
speed error
Fan or fan cable problem
Nofy authorized service of E.C.A.
The speed value measured from
the fan for 60 seconds is not within
the specified range
E06 Fan signal error
A07/F58/E07 Flue gas high temperature lockout
If the F07 error occurs twice in a
month, this error occurs.
Nofy authorized service of E.C.A.
A08/E08 Flame circut error Mainboard problem
A09/E09 Valve is not giving any feedback Gas valve problem
A12/E12 EEPROM error Mainboard problem
A15/E15
Measurement deviaon fault of
temperature sensors
Temperature sensors might be
defecve.
No temperature is detected by
temperature sensor for supply
water.
A16/E16
Error on Temperature Sensor for
Supply Water
A17/E17
Error on Temperature Sensor for
Return Sensor
No temperature is detected by
temperature sensor for return
sensor.
The temperature change on the
temperature sensor is too high (>
30°C)
A18/E18 Temperature Sensor Error
A21/E21
Analog-Digital Convertor (ADC)
Error
Mainboard problem
The return water temperature
sensor is in short or open circuit
state.
A33/E33
Error on Temperature Sensor for
Return Sensor
Error on Temperature Sensor for
Supply Water Temperature
The outgoing water temperature
sensor is in short or open circuit
state.
A35/E35
Temperature difference error
between ingoing water
temperature and outgoing water
temperature sensor
Temperature detected by
temperature sensor for ingoing
water is higher than temperature
detected by temperature sensor
for outgoing sensor
A80/E80
1- Press reset buon.
2- If the error is sll present (or persists) aer reset,
nofy authorized service of E.C.A.
1- Check that the gas valve is open.
2-Check if there is gas in installaon.
3- Press reset buon.
4- If the error is sll present (or persists) aer reset,
nofy authorized service of E.C.A.
1- Press reset buon.
2- If the error is sll present (or persists) aer reset,
nofy authorized service of E.C.A.
1- Check that water valves of boiler installaon are
open.
2- If the combi boiler triggers this error in winter
3- Press reset buon.
4- If the error is sll present (or persists) aer reset,
nofy authorized service of E.C.A.
1- Press reset buon.
2- If the error is sll present (or persists) aer reset,
nofy authorized service of E.C.A.
1- Press reset buon.
2- If the error is sll present (or persists) aer reset,
nofy authorized service of E.C.A.
1- Press reset buon.
2- If the error is sll present (or persists) aer reset,
nofy authorized service of E.C.A.
1- Press reset buon.
2- If the error is sll present (or persists) aer reset,
nofy authorized service of E.C.A.
1- Press reset buon.
2- If the error is sll present (or persists) aer reset,
nofy authorized service of E.C.A.
1- Press reset buon.
2- If the error is sll present (or persists) aer reset,
nofy authorized service of E.C.A.
1- Press reset buon.
2- If the error is sll present (or persists) aer reset,
nofy authorized service of E.C.A.
1- Press reset buon.
2- If the error is sll present (or persists) aer reset,
nofy authorized service of E.C.A.
1- Press reset buon.
2- If the error is sll present (or persists) aer reset,
nofy authorized service of E.C.A.
1- Press reset buon.
2- If the error is sll present (or persists) aer reset,
nofy authorized service of E.C.A.
1- Press reset buon.
2- If the error is sll present (or persists) aer reset,
nofy authorized service of E.C.A.
1- Press reset buon.
2- If the error is sll present (or persists) aer reset,
nofy authorized service of E.C.A.
.
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