54
ID
Class
Designation
(Possible) cause/effect
Rectification/action
Quit
The heat volume cannot be calculated.
703 Error
Solar pump
The pump of the 1st circuit of the solar
system is defective.
The 1st circuit of the solar system is not ready
for operation.
The pump or its cabling
must be checked.
No
704 Error
Solar pump
The pump of the 2nd circuit of the solar
system is defective.
The 2nd circuit of the solar system is not
ready for operation.
The pump or its cabling
must be checked.
No
707 Warning Excessive temperature The collector temperature has exceeded the
maximum collector temperature set in the
parameters.
The solar pump will be deactivated.
Wait until the
temperature has fallen.
No
708 Warning Excessive temperature The temperature of the solar consumer has
exceeded the maximum temperature set in
the parameters.
The heat request is withdrawn.
Wait until the
temperature has fallen.
No
709 Error
Sensor reference
temperature
The reference temperature sensor of the
solar consumer is defective.
Solar consumer is not ready for operation.
The sensor or its wiring
must be checked.
No
710 Warning Heat meter
The inflow or reflux temperature sensor or
the metered input for the heat volume of the
solar system is defective.
The heat volume cannot be calculated.
The sensor or the
corresponding wiring
must be checked.
No
711 Error
Solar circuit deactivated An incorrect parameter setting was found
during the start-up process.
The solar circuit is not active.
Check and correct
assigned parameters.
Restart system.
Yes
712 Error
Solar consumer
deactivated
An incorrect parameter setting was found
during the start-up process.
The solar consumer is not active.
Check and correct
assigned parameters.
Restart system.
Yes
