Alarm Codes; Resetting The Burner Safety Unit; List Of Burner Faults - DeDietrich EASYLIFE CFU 36 F30 User Manual

8 Troubleshooting
Error code Message
E02.13 Blocking Input
E02.15 Ext CSU Timeout
E02.41 FG press sw present
E02.42 Flue T press sw pres
E02.44 FG press
8.4

Alarm codes

An alarm code is a temporary boiler status resulting from the detection of an anomaly. If an alarm code still remains after several
automatic start-up attempts, the boiler goes into fault mode.
When one of the codes below is displayed, contact the professional responsible for maintenance of the boiler.
Tab.46 List of alarm codes
Alarm code Message
A00.32 TOutside Open
A00.33 TOutside Closed
A00.34 TOutside Missing
A00.81 RoomTempMissing
A02.18 OBD Error
8.5

Resetting the burner safety unit

Fig.21
8.6

List of burner faults

Before carrying out any work, the following checks must be performed:
Check that the boiler and the burner are switched on.
Check that the oil supply is correct.
Check that there is a heating demand for the regulator or thermostat on the boiler.
Check that the flue gas circuit allows correct combustion.
If one of the codes below is displayed, contact the professional responsible for maintenance of the boiler.
32 CFU
Description
Blocking Input of the Control Unit from device external environment
External CSU Timeout
The Fluegas pressure switch is present
Flue temperature pressure switch is present
Fluegas pressure switch not switched error
Description
Outside temperature sensor is either removed or measures a temperature
below range
Outside temperature sensor is either shorted or measures a temperature
above range
Outside temperature sensor was expected but not detected
Room Temperature sensor was expected but not detected
Object Dictionary Error
If the indicator light on the safety unit is red, there is a burner fault.
1. Reset the burner safety unit by pressing and holding the reset button
for one second.
Important
To reset the safety unit, the burner must be switched on.
2. If the burner fault persists, contact the professional who handles
maintenance of the boiler.
MW-5000917-2
7740570 - v04 - 03112022