Boiler water temperature sensor, checking the cylinder tem-
perature sensor or the flow temperature sensor for a low loss
header
1.
Boiler water temperature sensor:
Pull the leads from boiler water
temperature sensor
A
and check
the resistance.
Cylinder temperature sensor: Pull
plug
%
from the cable harness at
the control unit and check the resis-
tance.
Flow temperature sensor: Pull plug
"X3" from the control unit and check
the resistance across terminals
"X3.4" and "X3.5" (see page 99).
Repairs
(cont.)
101
Troubleshooting
5592
883
GB
Service
Содержание VITODENS 343-F WS4A
Страница 105: ...3 Replace the sensor in case of severe deviation Repairs cont 105 Troubleshooting 5592 883 GB Service ...
Страница 131: ...A1 Main PCB A2 Main PCB Connection and wiring diagram internal connections II 131 Designs 5592 883 GB Service ...
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