User manual

Publication 2092-UM001D-EN-P — July 2005
Maintaining and Troubleshooting Your Ultra1500 6-5
Fault Codes
The following list of assigned error codes is designed to help you resolve
problems.
Warning Messages
Warnings are drive abnormalities that allow motor control to continue.
Warnings are displayed on the drive's Status display using the last three
segments of the display to display an abbreviated title.
Error Displays
Errors are serious abnormalities that cause loss of motor control. The Error
display alternates between a three-digit error code and a six-digit text message.
The error displays repeat until the problem is cleared.
Warning Display Description Possible Cause(s) Action/Solution
Absolute Encoder Battery
3.1V or less output from encoder battery
or external power supply.
Replace battery.
Note: Battery replacement may cause loss of
absolute position. Homing may be necessary.
Power Up Overspeed
Control power is applied to the drive
while the motor is in motion.
After verifying motor has stopped, recycle control
power.
Over Current Command
Improper setting of analog current scale
Verify scaling parameter corresponds to analog
signal range.
System cannot meet motion profile
• Verify velocity loop tuning.
• Verify system sizing.
Incorrect current limit settings
Verify current limits do not restrict current to less
than system capabilities.
Over Speed Command
Improper setting of analog velocity scale
Verify scaling parameter corresponds to analog
signal range.
System cannot meet motion profile
• Verify position loop tuning.
• Verify system sizing.
Digital I/O Assignment Inappropriate assignment of digital inputs
• If operated in preset mode, verify presets are
assigned.
• If operated in a normal/override mode, verify the
override function is assigned.
Error Display
Description Possible Cause(s) Action/Solution
Code Text
E004
Motor Overtemperature
Motor thermal switch trips due to:
• High motor ambient temperature, and/
or
• Excessive current
• Operate within (not above) the continuous torque
rating for the ambient temperature.
• Lower ambient temperature, or increase motor
cooling.
Motor wiring error Check motor wiring.
Incorrect motor selection Verify the proper motor has been selected.