Nibe VVM 310 - Operation and Menu Selection

May be due toHeat pump action.CauseAlarm text on
the display
Alarm
no.
Motor protection on one
phase (Norway) machine has
probably blown.
45
Internal electrical addition is
blocked.
Temperature limiter has
tripped
The temperat-
ure limiter has
tripped
52
Check serial numberThe compressor stops, all relay
outputs are set to 0 V
Serial number and program
do not match
Incorrect pro-
gram
56
Compressor blocked.Serial number and program
do not match each other.
Incorrect pro-
gram
57
All relay outputs are set to 0 V.
See fault-tracing schedule on
page 26.
Blocking the relevant com-
pressor. Calculated flow temper-
ature is set to min supply line.
Communication with the in-
put card missing for 60 secs.
Communication
fault with PCA
input EB15
70
See fault-tracing schedule on
page 27.
Compressor (EB101) blocked.Communication with the base
card missing for 15 secs.
Communication
fault with PCA
base-AA2
71
- Check communication cablesAccessory is blocked.Communication with the ac-
cessory card missing for 15
secs.
Existing commu-
nication fault
with ”access-
ory".
73 -
95
- Check the setting of the
dipswitch.
- Check communication cablesAccessory is blocked.Communication with room
unit zone 1-4 missing for 60
secs.
Existing commu-
nication fault
with ”room
unit".
96 -
99
- Check the communication
cables.
Switches off step controlled
additional heat.
Communication with the ac-
cessory card missing for 15
secs.
Communication
fault ACC EB1.
208
- Check settings on the
dipswitch.
See relevant manual.Compressor blocked.See relevant manual.High pressure
alarm.
220
See relevant manual.Compressor blocked.See relevant manual.Low pressure
alarm.
221
See relevant manual.Compressor blocked.See relevant manual.Motor protec-
tion alarm.
222
See relevant manual.Compressor blocked.See relevant manual.Sensor fault.223
See relevant manual.Compressor blocked.See relevant manual.Fan alarm.224
See relevant manual.Compressor blocked.See relevant manual.Supply/return
line.
225
See relevant manual.Compressor blocked.See relevant manual.Sensor fault.227
See relevant manual.Compressor blocked.See relevant manual.Defrosting fault.228
NIBE™ VVM 310Chapter 6 | Troubleshooting16