52 NIBE BA-SVM 10-200
B alarm
In the event of a B alarm the green light lights up on the front and a symbol with a service technician is displayed
in the information window until the alarm is reset. All alarms are automatically reset if the cause is rectified.
Alarm
no.
Alarm text on the
display
Cause Action. May be due to
101 Sensor fault BT1 Alarm 101-120. See
A-alarm 1-20.
103 Sensor fault BT3
106 Sensor fault BT6
107 Sensor fault BT7 Sensor temporarily
missing
Replace display
of BT7 temperature
with ”---”
Resets automatically
when the sensor has
worked continuously for
60 s.
145 Incorrect phase
sequence or
missing phase
has been detect-
ed.
The compressor
is blocked
Temporary problem
with the communica-
tion from base card to
motor protection
- Suggestion: Cables/
cards may need checking
eventually.
151 sensor fault –
CL11- BT51
Resets automatically
when the sensor has
worked continuously
for 60 s.
Pool pump stops. Sensor BT51 not con-
nected, defective.
162 High condenser
out
The temperature of BT12
has exceeded 59 ºC. The
alarm is reset when the
Temperature has dropped
below 59 ºC and con-
denser return (BT3) has
dropped 2K since the
alarm.
163 High condenser
in
The return temperature
(BT3) has exceeded 58
°C. It is reset when the
temperature has dropped
to 56 ºC.
166 Electrical anode
incorrect
Electrical anode
fault
Suggestion: Check elec-
trical anode, circuit board
at the electrical anode
as well as cables to the
electrical anode.
170 Com. error input
card
Temporary communica-
tion fault. See alarm 70.
171 Com. error base
card
Temporary communica-
tion fault. See alarm 71.
173 Com. error heat-
ing system2
Temporary communica-
tion fault. See alarm 73.
174 Com. error heat-
ing system3
Temporary communica-
tion fault. See alarm 74.
176 Com. error heat-
ing system4
Temporary communica-
tion fault. See alarm 76.
Section 7 | Troubleshooting