Viessmann VITODENS 300 Service Instructions Manual page 88
Wall mounted gas fired condensing boiler. natural gas and lpg version. 4.2 to 13.0 kw
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Also See for VITODENS 300:
- Service instructions manual (132 pages) ,
- Datasheet (41 pages) ,
- Installation instructions manual (20 pages)
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Troubleshooting
Repairs
(cont.)
Checking the temperature limiter
88
If the burner control unit cannot be
reset after a fault shutdown, although
the boiler water temperature is below
approx. 75 °C:
Pull the leads off temperature limiter
A.
Check the continuity of the tempera-
ture limiter with a multimeter.
Remove the faulty temperature lim-
iter.
Install a new temperature limiter.
After commissioning, press reset
button "E" on the control unit.
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