Vaillant VPV I Serie Instrucciones De Funcionamiento página 20

Appendix
Event message
RS485-Gateway activ-
ated
Self test failed
ENS Software incompat-
ible
PU Software incompat-
ible
Time/date lost
18
Symbol Cause
Communication with the inverter is not pos-
sible via the RS485 interface.
A fault occurs during the self-test, the self-
test has been stopped.
After a firmware update, the various software
versions in the inverter are no longer com-
patible with each other.
After a firmware update, the various software
versions in the inverter are no longer com-
patible with each other.
The inverter has lost the time because it was
disconnected from the power grid for too
long.
Yield data cannot be saved; event messages
only with an incorrect date.
Measure
Contact a competent person.
Validity: Except for Italy
–
Ignore the message and delete the event
log.
Validity: Italy
–
Contact a competent person.
Contact a competent person.
Contact a competent person.
Correct the time.
Contact a competent person if the message
appears more than five times within one day.
Operating instructions VPV I 0020273427_02