Nibe F1345 - Page 58

May be due to/checkHeat pump action.CauseAlarm text on the
display
Alarm
no.
Incorrect software installed.Compressors are stopped
and relay is deactivated.
The heat pump software
and serial numbers do not
match each other.
Erroneous soft-
ware
57
Insufficient circulation in
the brine or heating medi-
um side.
Compressor blocked.The high or low pressure
switch has tripped.
Pressure switch
alarm
58
Insufficient circulation of
the brine.
Compressor blocked.The temperature of the
outgoing brine (BT11) drops
below the set minimum
temperature and the alarm
is selected to be perman-
ent.
Lo Bri out60
• Check the brine pump.
• Check that the brine has
been vented.
• Check the brine’s freez-
ing point.
Defective communication
cables.
Blocking the relevant com-
pressor. If the heat pump
is the master, the calcu-
lated supply is set to min.
supply.
Communication with the
input board (AA3) is miss-
ing.
Communication
fault with PCA In-
put.
70
Defective communication
cables.
Compressor blocked.Communication with the
input board (AA2 or AA26)
is missing.
Com.flt Base71
Defective communication
cables.
Compressor blocked.Communication with the
soft-start board (AA10) is
missing.
Comm.flt MC72
• Defective communication
cables.
• The accessory is activ-
ated in the display while
not connected with the
communication cable.
• Incorrectly connected
communication cable.
• Incorrectly set dipswitch.
• No electrical supply to the
accessory card.
Accessory is blocked.Communication with the
accessory card is missing.
Com.err. Acc.73-
94
Defective communication
cables.
Room unit is blocked.Communication with the
room unit is missing.
Com.err. RMU96-
99
Selected accessory not in-
stalled.
Accessory is blocked.Communication with the
accessory board has been
missing for 15 seconds.
Perm. com. error
to climate system
5-8
130-
133
Check condensate drain
pan/drain and water trap.
Accessory is blocked.The ERS accessory is
blocked by the level monit-
or.
ERS level mon146-
149
Check communication
cables.
Accessory is blocked.There has been no commu-
nication with EME 20 three
times in succession.
Communication
fault with EME20
193
NIBE F1345Chapter 5 | Disturbances in comfort58