Delta ASD-B2-0121-B User Manual page 281

Chapter 10 Troubleshooting
: Motor protection error
Potential Cause
The setting value of
parameter P1-57 is
reached after a period
of time set by
parameter P1-58.
: U,V,W wiring error
Potential Cause
The wiring connections
of U, V, W (for servo
motor output) and
GND (for grounding)
are in error.
: DSP firmware upgrade
Potential Cause
EE-PROM is not reset
after the firmware
version is upgraded.
10-10
Checking Method
1. Check if P1-57 is enabled.
2. Check if the setting values of P1-57
and P1-58 are both too small.
Checking Method
Check if wiring connections of U, V, W
are not correct.
Checking Method
Check if EE-PROM is reset after the
firmware version is upgraded.
Corrective Actions
1. Set P1-57 to 0.
2. Correctly set P1-57 and P1-
58. Please note that the
over-low setting may results
in malfunction, but over-
high setting may let the
motor protection function
not operate.
Corrective Actions
Follow the wiring steps in the
user manual to reconnect the
wiring and ground the servo
drive and motor properly.
Corrective Actions
Set P2-08 to 30 first, and then
28 next, and restart the servo
drive.
Revision June 2010