Viessmann VITOTRONIC 300-K Instructions d'exploitation télécharger pdf (Page 75)

Deleting fault history

While the list is displayed, press OK until

flashes. OK to confirm.

Fault codes

Displayed

fault code

System characteris-

tics

Cause Measures

0F Control mode Service

"0F" is only dis-

played in the fault

history.

Service the appliance.

Note

After a service set code

"24:0" in group 2.

30 Type GC1B:

The burner is started

and stopped via the

temperature control-

ler.

Short circuit, boiler

water temperature

sensor

Check boiler water tem-

perature sensor (see

page 185).

38 Type GC1B:

The burner is started

and stopped via the

temperature control-

ler.

Lead break, boiler

water temperature

sensor

Check boiler water tem-

perature sensor (see

page 185).

60 Type GC1B:

Boiler with maximum

temperature, no out-

put reduction, mixing

valve return tempera-

ture control open

Type GC4B:

Boiler at maximum

temperature

Short circuit, tem-

perature sensor

aJA

Type GC1B

Check temperature sen-

sor (see page 185).

Type GC4B:

Remove temperature

sensor.

Without temperature sen-

sor:

Set code "4A:0" in

group 1.

Troubleshooting Vitotronic 100

Fault display

(cont.)

5815 091 GB

Service

1 2 ... 70 71 72 73 74 75 76 77 78 79 80 ... 211 212

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Viessmann VITOTRONIC 300-K Instructions d'exploitation Page 75

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