Viessmann CT3U, Инструкция по эксплуатации

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Fault code *1 Shown on
display System characteristics Cause of fault Measure
F 54 F 54 PWM values incorrect EEPROM of memory
stick modified or deleted;
memory stick faulty Replace memory stick.
I Danger
Plug-in terminals on
the burner control
unit are live.
Only replace memory
stick when burner
control unit has been
isolated from power
supply.
F 55 F 55 Parameter memory stick
fault Memory stick faulty Replace memory stick.
I
Danger
Plug-in terminals on
the burner control
unit are live.
Only replace memory
stick when burner
control unit has been
isolated from power
supply.
Internal system faults
Internal system faults occur if a flawless program
sequence can no longer be guaranteed.
Fault code
*1
Shown on
display System characteristics Cause of fault Steps to take
01, 02, 05 to
0d, 0F, 14, 15,
17, 1A to 1c,
1E, 45, 47, Ac,
b0 01, 02, 05 to
0d, 0F, 14,
15, 17, 1A to
1c, 1E, 45,
47, Ac, b0 Fault in burner control
unit area Internal system fault and
EMC Replace burner control
unit.
Measure against EMC:
Try connecting to another
phase
F 0E, F F 0E, F Fault in burner control
unit area EEPROM or internal sys-
tem fault; EMC fault Have your system tested
for EMC interference; re-
place the burner control
unit.
1d 1d Fault in burner control
unit area Processor crashed Have your system tested
for EMC interference; re-
place the burner control
unit.
03 03 Fault in burner control
unit Excess temperature
(
>
60
º
C)
Check ambient tempera-
ture.
*1 All fault codes are saved to the fault memory and the last 10 can be called up.
Troubleshooting
Diagnosis
(cont.)
5783 337 GB
Diagnosis