HV350 Mini Frequency Inverter User Manual
104
Failur
e No
Failure
code
Failure description
Potential causes
Solutions
27
ER06
Analog close loop
feedback failure
Analog close loop
feedback failure
Improper
setting
of
FA
parameter group;
Modify
setting
of
FA
parameter group;
Feedback signal lost
. Check feedback signal.
28
ER07
Tuning error
Improper
setting
of
motor
parameters;
Re-set the motor‘s rated
parameters;
Significant
deviation
of
parameters obtained after tuning
comparing with the standard
parameters;
Excute mtor aut-tuning again
under zero load condition.
30
ER09
Current detection
failure
Current sensor failure and bad
contact
Check the current sensor
32
END
Trial
period
is
outdated
Contact your supplier
Contact your supplier
33
ER12
External fault
Act trigger by external fault
Check
external
device
according external fault signal
34
OL
Overload
pre-alarm
1. Refer to OL1 and OL2;
2.
Improper
setting
of
FE.04~FE.06
1. Refer to OL1 and OL2;
2.
Modify
setting
of
FE.04~FE.06
7.3 Troubleshooting Procedures
