110
100
10
-20 -10 0 10 20 30
Temperature in °C
6
8
20
40
60
80
200
Resistance in k
Ω
1.
Pull plug "X3" from the control unit.
2.
Test the resistance of the outside
temperature sensor across terminals
"X3.1" and "X3.2" on the disconnec-
ted plug and compare it with the
curve.
3.
Where actual values deviate severely
from the curve values, disconnect the
wires at the sensor and repeat test on
the sensor itself.
4.
Subject to result, replace the lead or
the outside temperature sensor.
Troubleshooting
Repairs
(cont.)
5692 843 GB
Summary of Contents for Vitodens 200 WB2C 45
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