Outside Temperature Sensor - Viessmann Vitodens 050-W BP JD Installation And Service Instructions Manual

Troubleshooting
Repairs
(cont.)

Outside temperature sensor

OT-
4 3 2 1
A
1. Disconnect leads from outside tem-
perature sensor A.
200
100
80
60
40
20
10
8
6
-20 -10 0
Temperature in °C
Sensor type: NTC 10 kΩ
2. Check the sensor resistance and
compare it with the curve.
54
OT+
10 20 30
3. In the event of severe deviation
replace the sensor.