nilan Compact P User Manual page 33

74 Low pressure alarm
91 Missing
expansion PCB
92 Backup error
96 Error in damper test
The airflow over the surfaces in cooling
mode is to low.
Expansion PCB is missing.
Error writing or reading installer settings
Damper (open / closed) not fulfilled.
Make sure that air is blown into the house.
Make sure the filters are clean.
Check that the outdoor air intakes is not
blocked.
Reset alarm.
Contact service if the above does not solve
the problem.
Contact service.
Contact service.
Reset alarm.
If it does not help contact service.
33