Fault code Message
Description
E02.41
FLUE TEMPERATURE
PRESSURE SWITCH
PRESENT
Presence of a flue gas pressure switch
E02.42
FLUE TEMPERATURE
PRESSURE SWITCH
PRESENT
Presence of a flue gas thermostat
E02.44
FLUE GAS PRESSURE
SWITCH NOT
SWITCHED ERROR
Flue gas thermostat not fitted.
8.1.3
Alarm codes
An alarm code corresponds to a temporary status of the hybrid pump
resulting from the detection of an anomaly. If an alarm code still remains
after several automatic start-up attempts, the hybrid system goes into error
mode.
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 error mode.
When one of the following codes is displayed and the hybrid system
cannot restart automatically, contact a maintenance technician.
When one of the following codes is displayed and the boiler cannot restart
automatically, contact a competent and qualified person.
Tab.35 List of alarm codes
Error code Message
Description
A02.06
WATPRESSURE
WARNING
Water pressure in the installation lower than the minimum pressure
A02.22
SYSTEM FLOW
WARNING
Flow rate in the installation lower than the minimum flow rate
A02.18
OBD ERROR
Internal error
8.2
Accessing the error memory
The error and fault codes are listed together in the memory.
1. Access the menus by pressing the two keys on the right
simultaneously.
2. Select the Malfunction menu by pressing the
key.
3. Select the PCB by pressing the or key. The icon appears.
Confirm the PCB selection by pressing the
key: the PCB name
appears.
Important
The Er:xxx parameter flashes. 000 corresponds to the number of
stored errors.
4. Go to the error details by pressing the
key.
Fig.56
MW-2000369-1
Fig.57
MW
-5
0
0
0
0
1
1
-3
Fig.58
MW
-1
0
0
0
6
8
9
-1
8 Troubleshooting
52
200 ESL HYBRID
7613346 - v05 - 13112018