Viessmann VITOCAL 250-A - Page 137

137
Measures
1. Check the software version of the energy meter.
Run software update if required.
2. Check CAN bus connection to energy meter.
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 energy meter documentation.
F.925 Data from energy meter 3 not available
F.925
System characteristics
No information on Viessmann Energy Management
(HEMS) available in ViCare or ViGuide
Cause
Data from energy meter 3 not available
Measures
1. Check the software version of the energy meter.
Run software update if required.
2. Check CAN bus connection to energy meter.
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 energy meter documentation.
F.926 Data from energy meter 4 not available
F.926
System characteristics
No information on Viessmann Energy Management
(HEMS) available in ViCare or ViGuide
Cause
Data from energy meter 4 not available
Measures
1. Check the software version of the energy meter.
Run software update if required.
2. Check CAN bus connection to energy meter.
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 energy meter documentation.
F.927 Data from energy meter 5 not available
F.927
System characteristics
No information on Viessmann Energy Management
(HEMS) available in ViCare or ViGuide
Cause
Data from energy meter 5 not available
Measures
1. Check the software version of the energy meter.
Run software update if required.
2. Check CAN bus connection to energy meter.
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 energy meter documentation.
Messages
Fault messages (cont.)
6218234
Diagnosis