BGH BSBSIC24CTK, Руководство пользователя

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Troubleshooting
47
15. P6 malfunction (For three phases units)
P6 display
Module protection
Check whether the voltage range of P-N on
IPM module is normal? DC 350-650V
No
Check whether the input power supply
is correct? 380-415V, 3N, 50Hz
No
Regulate it to correct,
then check whether the
system can work
normally?
Yes
Check whether the power
supply line is connected
correctly and tightly
No
Connect it correctly and
tightly, check ok or not?
No
Yes
Check whether the lines in
E-part box are connected tightly
No
Connect it tightly,
check ok or not?
No
Yes
Check whether the three phase bridge
is normal?
No Replace the three phase
bridge
No
Yes
Check whether the 3300µF/400V
electrolytic capacitor is normal?
No
Replace this electrolytic
capacitor
Yes
Check whether the connecting line
between main board and the IPM
module is connected tightly
Yes
Check whether the connecting
line of the compressor is
connected tightly
Yes
Replace the IPM module, check
whether the system can work
normally?
No
Replace the main board, check whether the
system can work normally?
Yes
Trouble is solved
No
Replace the compressor , check whether
the system can work normally?
Yes
Trouble is solved
Connect it tightly,
check ok or not?
No
Connect it tightly,
check ok or not?
No
Yes
Trouble is solved