Chapter 10 Troubleshooting
ASDA-A User Manual
4th Edition 2005/11/30, HE03
© DELTA ELECTRONICS, INC. ALL RIGHTS RESERVED
10-4
: Abnormal pulse control command
Potential Cause
Checking Method
Corrective Actions
Pulse command
frequency is higher than
rated input frequency.
Use pulse frequency detector to detect
input frequency.
Correctly set the input pulse
frequency.
: Excessive deviation
Potential Cause
Checking Method
Corrective Actions
Maximum deviation
parameter setting is too
small.
Check for the maximum deviation
parameter setting.
Increase setting value.
Gain value is too small.
Check if the setting value is correct.
Correctly adjust gain value.
Torque limit is over low. Check torque limit value.
Correctly adjust torque limit value.
There is an overload.
Check load condition.
1. Reduce external applied load.
2. Estimate the motor capacity again.
: Watch dog execution time out
Potential Cause
Checking Method
Corrective Actions
Watch dog execution
error.
Check and reset the power supply.
If there are any abnormal conditions
after resetting the power supply,
returned to the distributor or
manufacturer.
: Encoder error
Potential Cause
Checking Method
Corrective Actions
The wiring of encoder is
error.
1. Check if the wiring is correct.
2. Check if user performs wiring by
following the user manual.
Make sure to wire correctly.
Encoder is loose.
Examine encoder connector
Re-install.
The wiring of encoder is
defective.
Inspect whether wire is loose or not.
Reconnect the wiring again.
Encoder is damaged.
Motor is abnormal.
Remove motor
