Santerno SINUS MINI Series - Page 50

SINUS MINI High performance Vector Control Inverter User Manual
49
Failure
No
Failure
code
Failure
description
Potential causes
Solutions
The communication of terminal 485
is faulty
Check whether the data receiving
and transmission complies with
the protocol, whether the check
sum is correct and whether the
receiving and transmission
interval complies with the
requirements
The communication of terminal 485
is time-out
Check whether the
communication timeout is set
properly and confirm the
communication cycle of the
application program
The failure alarm parameter is set
improperly
Adjust the failure alarm parameter
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;
Execute motor auto-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outdated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 FD.04~FD.06
1. refer to OL1 and OL2;
2. Modify setting of FD.04~FD.06