Nibe BA-SVM 10-200 User Manual

48 NIBE BA-SVM 10-200 Section 7 | Troubleshooting
7 Troubleshooting
Alarm list
A-alarm
In event of an A alarm the red lamp on the front lights and an alarm icon is displayed. First go through the sug-
gested actions shown in the display.
Alarm
no.
Alarm text on the
display
Cause Heat pump action. May be due to
1 Sensor fault BT1 Sensor not connect-
ed/defective
(outdoor sensor)
Calculated flow temperature
is set to min supply line
(menu 1.9.3).
See troubleshooting page
26.
2 Sensor fault BT2 Sensor not connect-
ed/defective
(heating medium
supply)
Uses BT3 if available.
If BT3 is not available, BT63
is used.
See troubleshooting page
2 7.
3 Sensor fault BT3 Sensor not connect-
ed/defective
(heating medium
return)
No action See troubleshooting page
2 7.
6 Sensor fault BT6 Sensor not connect-
ed/defective
(hot water, controlling)
Uses BT54 See troubleshooting page
2 7.
25 Sensor fault
BT25
Sensor not connect-
ed/defective
(heating medium flow,
external)
Automatic reset. See troubleshooting page
26.
31 Sensor fault
BT63
Sensor not connect-
ed/defective
Blocks internal electrical
addition.
See troubleshooting page
2 7.
33 Sensor fault
EP30 - BT53
Sensor not connect-
ed/defective
(solar panel)
Switches off solar function. See troubleshooting page
28.
34 Sensor fault
EP30 - BT54
Sensor not connect-
ed/defective
(solar coil)
Switches off solar function. See troubleshooting page
28.
35 Sensor fault
EM1 - BT52
Sensor not connect-
ed/defective
(boiler)
Shunt closes. Burner stops. See troubleshooting page
28.
36 Sensor fault
EP21 - BT2
Sensor not connect-
ed/defective
(supply temperature
sensor, extra climate
system 1)
Controls the return sensor
(EP21-BT3)
See troubleshooting page
28.
37 Sensor fault
EP22 - BT2
Sensor not connect-
ed/defective
(supply temperature
sensor, extra climate
system 2)
Controls the return sensor
(EP22-BT3)
See troubleshooting page
28.
38 Sensor fault
EP23- BT2
Sensor not connect-
ed/defective
(supply temperature
sensor, extra climate
system 3)
Controls the return sensor
(EP23-BT3)
See troubleshooting page
28.

Nibe BA-SVM 10-200 Specifications

General

Brand	Nibe
Model	BA-SVM 10-200
Category	Air Conditioner
Language	English