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
Summary of Contents for VITODENS 343-F WS4A
Page 137: ...Parts lists cont 137 Parts lists 5592 883 GB Service ...
Page 138: ...Parts lists cont 138 Parts lists 5592 883 GB ...
Page 139: ...Parts lists cont 139 Parts lists 5592 883 GB Service ...
Page 140: ...Parts lists cont 140 Parts lists 5592 883 GB ...
Page 141: ...Parts lists cont 141 Parts lists 5592 883 GB Service ...
Page 142: ...Parts lists cont 142 Parts lists 5592 883 GB ...
Page 151: ...151 5592 883 GB ...