Fault Codes, Fuel Cell Module; Repairs; Putting The Control Unit Into The Service Position - Viessmann Vitovalor PT2 E11T Installation And Service Instructions Manual

Troubleshooting
Fault messages for gas condensing module
Note
If subscriber faults occur, "Error, subscriber ..." is dis-
played.

Fault codes, fuel cell module

Fault code System characteristics
04F0 Fuel cell module in opera-
tion
04F1 Fuel cell module in opera-
tion
05F0 No power generation
06F0 Fuel cell module in opera-
tion
07F0 No power generation
08F0 Fuel cell module in opera-
tion
09F0 No power generation
13F0 No power generation
42F0
A8F0 No power generation
Other fault mes-
sages

Repairs

Putting the control unit into the service position

If required for commissioning and servicing, the pro-
gramming unit can be moved to a different position.
126
(cont.)
Cause of fault Measure
45 days until the 5- Schedule the 5-yearly service.
yearly service
30 days until the 5- Schedule the 5-yearly service.
yearly service
5-yearly fuel cell Carry out the 5-yearly service.
service required
3 months until re- Schedule repair.
quired repair
Repair required Carry out repair.
6 months until de- Schedule decommissioning.
commissioning (after
20 years of opera-
tion)
Decommissioning Carry out decommissioning.
required (after 20
years of operation)
Flammable gases Find and remedy cause for responding.
sensor has respon- Before starting, the flammable gases sen-
ded sor must be replaced.
Air in the system Fill and vent the system separation circuit.
separation circuit or
system separation
circuit not filled
Gas supply interrup- Check the gas supply.
ted
Notify Viessmann Technical Services.