Viessmann VITOCAL 250-A - Page 141

141
F.940 Data from inverter 3 not available
F.940
System characteristics
No information on Viessmann Energy Management
(HEMS) available in ViCare or ViGuide
Cause
Data from inverter 3 not available, e.g. Vitocharge VX3
inverter
Measures
1. Check the software version of the inverter. Run soft-
ware update if required.
2. Check CAN bus connection to inverter.
3. Check settings for Viessmann energy management
(HEMS) in commissioning assistant. Adjust settings
if required.
4. Read out and check the ID numbers from
Viessmann Technical Service.
See inverter documentation.
F.941 Data from inverter 4 not available
F.941
System characteristics
No information on Viessmann Energy Management
(HEMS) available in ViCare or ViGuide
Cause
Data from inverter 4 not available, e.g. Vitocharge VX3
inverter
Measures
1. Check the software version of the inverter. Run soft-
ware update if required.
2. Check CAN bus connection to inverter.
3. Check settings for Viessmann energy management
(HEMS) in commissioning assistant. Adjust settings
if required.
4. Read out and check the ID numbers from
Viessmann Technical Service.
See inverter documentation.
F.942 Data from inverter 5 not available
F.942
System characteristics
No information on Viessmann Energy Management
(HEMS) available in ViCare or ViGuide
Cause
Data from inverter 5 not available, e.g. Vitocharge VX3
inverter
Measures
1. Check the software version of the inverter. Run soft-
ware update if required.
2. Check CAN bus connection to inverter.
3. Check settings for Viessmann energy management
(HEMS) in commissioning assistant. Adjust settings
if required.
4. Read out and check the ID numbers from
Viessmann Technical Service.
See inverter documentation.
F.943 Data from inverter 6 not available
F.943
System characteristics
No information on Viessmann Energy Management
(HEMS) available in ViCare or ViGuide
Cause
Data from inverter 6 not available, e.g. Vitocharge VX3
inverter
Measures
1. Check the software version of the inverter. Run soft-
ware update if required.
2. Check CAN bus connection to inverter.
3. Check settings for Viessmann energy management
(HEMS) in commissioning assistant. Adjust settings
if required.
4. Read out and check the ID numbers from
Viessmann Technical Service.
See inverter documentation.
Messages
Fault messages (cont.)
6218234
Diagnosis