Chapter 6 Fault Code Information and Maintenance| BLD-E1 Series
6-6 Revision May 2009, 00DE, V0.50
Fault
Name Fault Descriptions Corrective Actions
PG feedback error
Check if Pr.10-01 is not set to 0 when it is PG
feedback control.
PG feedba ck loss
Check the wiring of the PG feedback.
PG feedback stall 1. Check the wiring of the PG feedback.
2. Check if the setting of PI gain and
deceleration is suitable (Pr.10-05~Pr.10-06).
3. Return to the factory.
PG slip er ro r
1. Check the wiring of the PG feedback.
2. Check if the setting of PI gain and
deceleration is suitable (Pr.10-07~Pr.10-08).
3. Return to the factory.
ACI loss
1. Check the ACI wiring.
2. Check if the ACI signal is less than 4mA.
External Fault
1. Input EF (N.O.) on external terminal is closed
to GND. Output U, V, W will be turned off.
2. Give RESET command after fault has been
cleared.
Emergency stop
When the multi-function input
terminals MI1 to MI6 are set to
emergency stop and the
brushless DC motor drive
stops output.
Press RESET after fault has been cleared.
Illegal func tion code
The function code must be 03,
06, 10, 63
Check if the function code is correct.
Illegal commun ication
address
Communication address for
0X2XX should be 0X2000 to
0X2005.
Check if the communication address is correct.
Illegal d at a l ength
Data length should be 1~20
characters
Check if the communication data length is correct.
Illegal data valu e
Communication address
0x2XXX, 0X22XX…etc. are
read only
Check if the communication address is correct.
Communication time-out
(Pr.09-02~Pr.09-03) Check if the wiring for the communication is correct.