Viessmann VITODENS 200-W Installation Instructions Manual page 69

4.8 to 35.0 kw wall mounted gas fired condensing boiler natural gas and lpg version

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Table of Contents

Vitoden 200-W pages 44 -

Function sequence and possible faults

Burner in operation

Automatic

calibration of the

combustion control

unit

For further details regarding faults see the service instructions.

4/9/07

7:56 pm

Yes

Stops below the

set boiler water

temperature and

restarts immediately

Yes

Fault Eb

Page 26

(cont.)

Check the flue gas

system for

soundness (flue

gas recirculation),

check the gas flow

pressure

Check the

connecting cable

and the ionisation

electrode. Check

the flue gas

system (flue gas

recirculation)

Table of Contents

Vitodens 200-w wb2b