MD320/MD320N User Manual Fault Diagnosis and Solution
171
No
No
Yes
Motor tuning fault
If the motor parameters are set as
per the motor nameplate
Set the motor parameters correctly
If the parameter identification
proce ss is de laye d
Che ck the ca ble conne cting
the inve rter to the motor
Fig.8-18 Motor tuning fault (ERR19)
P G F a u lt
As k for te chnica l s upport
Che ck if the e ncode r mode l is compa tible
elect the encoder
provide d by the pus h-pull
or open collector
Che ck if the e ncode r ca ble conne ction is wrong
Re move the line fault
If it is normal after replacing the PG card PG card fault
No
No
No
Yes
Yes
Fig.8-19 PG fault (ERR20)
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