Code
Description
A02.18
Object Dictionary Error:
Reset
and
A02.37
Uncritical device has been disconnected:
Bad connection: check the wiring and connectors.
Faulty SCB PCB: replace SCB PCB
A02.54
OpenTherm ASK warning
A10.08
Outside Temperature Zone A missing
A10.17
Outside Temperature Zone B missing
A10.26
Outside Temperature Zone C missing
A10.35
Outside Temperature Zone D missing
A10.44
Outside Temperature Zone E missing
A10.45
Measure of Room Temperature Zone A is missing
A10.46
Measure of Room Temperature Zone B is missing
A10.47
Measure of Room Temperature Zone C is missing
A10.50
Domestic hot water temperature sensor top zone D is missing
A10.54
Domestic hot water temperature sensor zone D is missing
A10.56
Domestic hot water temperature sensor zone E is missing
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.103
MW-2000369-1
Fig.104
MW
-5
0
0
0
0
1
1
-3
Fig.105
MW
-1
0
0
0
6
8
9
-1
Fig.106
MW
-1
0
0
0
6
9
0
-1
11 Troubleshooting
7701563 - v02 - 22052018
iHPI
97
