Viessmann VITODENS 100-W Installation And Service Instructions Manual page 46

For contractors. wall mounted gas condensing boiler natural gas and lpg version
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Troubleshooting
Repairs
(cont.)
46
1. Pull the leads from temperature lim-
iter A.
2. Check the continuity of the tempera-
A
ture limiter with a multimeter.
3. Remove the faulty temperature lim-
iter.
4. Install a new temperature limiter.
5. Press "Reset" at the control unit (see
page 40).

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