53NIBE BA-SVM 10-200
Alarm
no.
Alarm text on the
display
Cause Action. May be due to
177 Com. error Acc.
–EM1
Temporary communi-
cation fault to acces-
sory card with shunt
controlled additional
heat.
Accessory blocked. Connections, Cables and
cards may eventually
need checking.
178 Com. error Acc.
–Cl11
3 communication
errors in succession
have occurred on the
pool accessory card
Block accessory • Check the Communi-
cation cables.
• Check settings of the
dipswitch
180 Freeze prot Activates if the heating is
blocked and the outdoor
temperature (BT1) falls
below 3 ºC. Heating is
permitted and controlled
by min. supply.
181 Unsuccessful
periodic
increase
Periodic increase has
failed to reach stop temp.
within 5 hours.
182 Load monitor
activated
One or more power steps
blocked due to high cur-
rent measured on current
sensor.
183 Defrosting Defrosting in progress.
196 Comm. room
unit, zone 1
Temporary communica-
tion fault. See alarm 96.
197 Comm. room
unit, zone 2
Temporary communica-
tion fault. See alarm 97.
198 Comm. room
unit, zone 3
Temporary communica-
tion fault. See alarm 98.
199 Comm. room
unit, zone 4
Temporary communica-
tion fault. See alarm 99.
271 Cold outdoor air
EB 101
EB 101 sends an
error message to the
control
See relevant manual
272 Hot outdoor air
EB 101
EB 101 sends an
error message to the
control
See relevant manual
273 HW-start and
HW-stop have
reset to default
Adjustment of the hot
water -settings due to
short run times
See relevant manual
274 The compressor’s
phase has been
overloaded
Load monitor has
caused the compres-
sor not to run at the
desired frequency
None Load monitor has pre-
vented compressor run-
ning at desired frequency
(AMS 10 additional heat:
and been below 85Hz) for
at least an hour (corre-
sponding)
Section 7 | Troubleshooting