Viessmann MatriX, Инструкция по эксплуатации

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33
Internal system fault
Internal system faults are created if a perfect program sequence can no longer be
guaranteed.
Fault code System characteris-
tics
Cause Measures
01 and 02,
04 to 15,
70 to 79,
7A, FF Fault in burner con-
trol unit area Internal system
fault Replace burner control
unit
FF Fault in burner con-
trol unit area EEPROM Have system tested for
EMC interference
Faults without fault display
Fault Cause Measures
Combustion faults
through pulsation Excessive gas
throughput Adjust gas throughput in accord-
ance with rated boiler output
Air shortage or
excess Adjust gas throughput in accord-
ance with rated boiler output
Condensate banked
up in flue gas system Check condensate drain
Incorrect flue gas
draught Check flue gas draught
Burner restarts and
switches off after safety
time has expired Cores "L1" and "N" at
mains terminals of
control unit inter-
changed Check power supply and exchange
cores
CO is formed or burner
very sooty Air shortage or
excess Adjust correctly. Check installation
room ventilation
Insufficient draught in
flue gas system Check flue gas system
CO
2
content too low Incorrect setting Check that burner has been set to
correct gas type; change gas
restrictor if required (see from
page 7).
Adjust burner in accordance with
the details on page 12.
Troubleshooting
Diagnosis
(cont.)
5692 488 GB