130
Checking the buffer temperature sensor
Fig. 104
10
1
10 30 50 70 90 110
Temperature in °C
0.4
0.6
0.8
2
4
6
8
20
Resistance
in kΩ
Fig. 105 Sensor type: NTC 10 k
Ω
1.
Pull plug
)
A or
)
B from the differential tempera-
ture controller.
2.
Check sensor resistance and compare it to the
curve.
3.
In the event of severe deviation replace the sensor.
Checking the plate heat exchanger
Note
During and after removal, small amounts of water may
trickle from the plate heat exchanger.
Troubleshooting
Repairs (gas condensing module)
(cont.)
5775 636 GB
Diagnosis
Summary of Contents for C3TB
Page 136: ...136 Troubleshooting Repairs gas condensing module cont 5775 636 GB Diagnosis ...
Page 143: ...143 Parts lists Heat cell assembly 5775 636 GB Components ...
Page 160: ...160 Parts not shown 0009 PCB IU100 B30 Parts lists Fuel cell assembly 5775 636 GB Components ...
Page 161: ...161 Parts lists Fuel cell assembly cont 5775 636 GB Components ...
Page 187: ...187 5775 636 GB ...
