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11.2.3 Alarm codes
An alarm code is a temporary heat pump status, resulting from the
detection of an anomaly. If an alarm code still remains after several
automatic start-up attempts, the system goes into fault mode.
Tab.80 List of alarm codes
Error code Message Description
A02.06 Water Press Warning Water Pressure Warning active
A02.18 OBD Error Object Dictionary Error
A02.22 System flow warning System water flow warning active
A02.55 Inval or miss SerNR Invalid or missing device serial number
11.3 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.
5. Scroll through the errors by pressing the or key. When this menu
opens, the row of the error in the memory appears briefly. The PCB
name appears. Go back to the error list by pressing the
h
key.
Important
The errors are stored from the most recent to the oldest.
6. Go back to the Er:xxx display by pressing the
h
key. Press the
key: the CLR parameter flashes after the errors. 000 corresponds to
the PCB selected.
Clear the error memory by pressing the key.
7. Exit the Malfunctions menu by pressing the
h
key.
Fig.121
MW-2000369-1
Fig.122
MW
-5
0
0
0
0
1
1
-3
Fig.123
MW
-1
0
0
0
6
8
9
-1
Fig.124
MW
-1
0
0
0
6
9
0
-1
11 Troubleshooting
104 AWHP-2 PBS-i 7706696 - v04 - 11102018