Nibe F1345 - Page 63

May be due
to/check
Resets automatic-
ally when
Heat pump action.CauseText in displayNo.
Incorrect settings.The heating medi-
um temperature has
fallen 2 °C at heat-
ing medium in dur-
ing a start attempt.
Compressor
blocked.
Brine out has
reached max permit-
ted temperature.
Hi cond. out162
Incorrect settings.The heating medi-
um temperature has
fallen 2 °C at heat-
ing medium in dur-
ing a start attempt.
Compressor
blocked.
Condenser in has
reached max permit-
ted temperature.
High cond. in163
Check the boiler
pressure.
It is reset when the
alarm input has
been closed for
more than 5
seconds.
None.The AUX input
"Pressure switch for
climate system" is
disconnected for
more than 5 sec.
Low pressure, cli-
mate system. Ex-
ternal pressure
switch for climate
system indicates
low pressure.
Please check
pressure and top
up the system if
necessary.
165
Check the commu-
nication cables and
their connections.
Communication has
resumed.
Only information.Communication
fault has occurred
with input board
AA3.
Comm.fault In170
Check the commu-
nication cables and
their connections.
Communication has
resumed.
Only information.Communication
fault has occurred
with base board
AA2 or AA26.
Com.flt Base171
Check the commu-
nication cables and
their connections.
Communication has
resumed.
Only information.Communication
fault has occurred
with soft-start board
AA10.
Comm.flt MC172
• Defective commu-
nication cables.
• The accessory is
activated in the
display while not
connected with
the communica-
tion cable.
• Incorrectly connec-
ted communica-
tion cable.
• Incorrectly set DIP
switch.
• No electrical sup-
ply to the access-
ory card.
Communication has
resumed.
Accessory is
blocked.
Communication
fault has occurred
with the accessory
card.
Com.err. Acc.173-
179
63Chapter 5 | Disturbances in comfortNIBE F1345