Parker AC890 Product Manual page 229

Trips and Fault Finding
Fault Finding
Problem
Drive will not power-up
Drive fuse keeps blowing
Cannot obtain HEALTH state
Motor will not run at switch-on
Motor runs and stops
Motor won't rotate or runs in reverse
9-24
Page
Possible Cause
Fuse blown
Faulty cabling
Faulty cabling or
connections wrong
Faulty drive
Incorrect or no supply
available
Motor jammed
Motor becomes jammed
Encoder fault
Open circuit speed
reference potentiometer
Table 10-1 Fault Finding
Remedy
Check supply details, replace with correct
fuse.
Check Product Code against Model No.
Check all connections are correct and secure.
Check cable continuity
Check for problem and rectify before
replacing with correct fuse
Contact Parker Hannifin Manufacturing
Check supply details
Stop the drive and clear the jam
Stop the drive and clear the jam
Check encoder connections
Check terminal
890SD Standalone Drive - Frames G, H & J