15
AH-01
Troubleshooting
Description
Probable Cause
Solution
The house is not getting
warm
The settings for the control pa-
nel are wrong
Check the settings for the control
panel (see Control Panel, page
12)
The additional heating is not
working
Contact your installation techni-
cian
The HP or LP is displayed
under the error section
During extreme or long-running
cold weather this can be normal
Open all thermostats in the
•
house, deareate the radia-
tors/system
Check that the circulation
•
pump is operating
Contact your installation
•
technician
May be caused by either too
much or not enough refrigerant
May be caused by bad circula-
tion within the house
The heat pump is loud and
does not produce heat
The electrical phase is wrong
Turn off the heat pump with the
motor protection (safety switch
and contact your installation
technician/electrician
The compressor does not
start
The motor protection is tripped /
the safety fuse is tripped
Reset the safety fuse followed
by the motor protection. Contact
your installation technician
User Manual
