38
Troubleshooting
Repairs
Scanning the actual and set temperatures for
:
H
Control unit for constant temperature mode, see pageĂ59.
H
Control unit for weather-compensated mode with
ć standard programming unit, see pageĂ77,
ć Comfortrol programming unit, see pageĂ95.
Checking the outside temperature sensor
(control unit for weather-compensated mode)
1.
Pull plug-in connectorĂ"X
Ă
6" off the
control unit.
2.
Test the resistance across
terminals "X
Ă
6.3" and "X
Ă
6.4" on
the pulled connector and compare
with the curve.
3.
Where actual values strongly
deviate from the curve values,
disconnect the wires at the sensor
and repeat test directly at the
sensor.
4.
Depending on the result, replace
the cable or the outside
temperature sensor.
5692Ă485
G
B
-40 -30 -20 -10
0 +10 +20 +30
Outside temperature in
º
C
400
420
440
460
480
500
520
540
560
580
600
Resistance in
Ω
Summary of Contents for Vitodens 200
Page 25: ...25 Initial start up inspection and maintenance 5692Ă485 GB ...
Page 96: ...96 Control unit for weather compensated mode with Comfortrol prog unit 5692Ă485 GB ...
Page 99: ...101 5692Ă485ĂGB ...
Page 105: ...109 Appendix Maint service Maint service Maint service Maint service 5692Ă485ĂGB ...
Page 107: ...111 Appendix Maint service Maint service Maint service Maint service 5692Ă485ĂGB ...
Page 109: ...113 Appendix Maint service Maint service Maint service Maint service 5692Ă485ĂGB ...