Viessmann Vitopend 100-W Installation And Service Instructions For Contractors page 45
Gas system and combi boilers for open flue operation natural gas and lpg version
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Also See for Vitopend 100-W:
- Installation and service instructions manual (136 pages) ,
- Operating instructions manual (48 pages) ,
- Installation and service instructions manual (60 pages)
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Repairs
(cont.)
4. Flue gas monitoring sensor:
■ Disconnect the leads from the sen-
sor.
■ Check the sensor resistance and
compare it with the curve.
■ Replace the sensor in the case of
severe deviation.
Note
Function check of the flue gas mon-
itoring device, see page 33.
Checking the fuse
Note
Switch off the power.
5. Cylinder temperature sensor (gas
system boiler):
■ Pull plug % from the cable har-
ness outside the control unit.
■ Check the sensor resistance and
compare it with the curve.
■ Replace the sensor in the case of
severe deviation.
F1
Troubleshooting
45
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