59
ID
Class
Designation
(Possible) cause/effect
Rectification/action
Quit
102
7
Error
Actuator source broken The source actuator of the heat pump has an
error. The heat pump is not ready for
operation and will be turned off.
The source actuator or its
wiring must be checked.
No
102
8
Error
Phase failure
Phase failure in the 3-way current supply. The
heat pump is not ready for operation and will
be turned off.
In case of disruptions by
the network carrier, wait
for the duration, check
cabling.
No
102
9
Error
Variable frequency
device
The frequency converter has an error. The
heat pump is not ready for operation and will
be turned off.
The frequency converter
or its wiring must be
checked.
No
103
0
Error
Defrosting Circuit
Inversion
Timer for starting circuit invasion has elapsed.
Auxiliary heating couldn't heat up enough for
starting defrosting via circuit invasion.
Check auxiliary heating
and heat pump.
Yes
103
1
Error
Defrosting Timeout
Maximum retry for finishing defrosting
reached. Heat pump is not operational.
Check heat pump.
Yes
103
2
Error
Overheat control
Overheat control broken.
Electronic expansion valve stays closed.
Check sensors and wiring.
Check parameterization
of controller.
No
103
3
Error
Min. flow temperature Temperature is below limitation.
Heat pump is not operational.
Heat pump is operational
again, when temperature
rises above
parameterized limit.
No
103
4
Error
Sensor temperature
passive cooling
Passive cooling temperature sensor is broken.
Heat pump is not operational.
Check sensor and wiring. No
103
5
Warning Passive cooling
supervision
Temperature in the passive cooling exchanger
is below limit or the heat pump sets a source
side flow supervision warning. Passive cooling
requests are disabled temporary.
-
No
103
6
Error
Passive cooling
deactivated
Incorrect parameterization detected during
startup. Passive cooling is deactivated.
Check parameterization
and restart system.
No
103
7
Error
Flow monitor
Too less source side flow.
Heat pump is not operational.
Prove the source for
failures.
No