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8
Ultra1500 Digital Drives Quick Start
Warning and Error Displays
Warnings or errors are displayed by the drive as shown and explained in the following tables.
•
Warnings are drive abnormalities that allow motor control to continue. The Warning display
uses only the last three digits of the six-digit display.
•
Errors are serious abnormalities that do not allow motor control. The Error display alternates
between a three-digit error code and a six-digit text message.
Warning Display
Absolute Encoder Battery
Power Up Overspeed
Over Current Command
Over Speed Command
Digital I/O Assignment
1 Battery replacement causes loss of absolute position. Homing may be necessary.
Error
Text
Code
Message
Motor Overtemperature
Publication 2092-QS001D-EN-P — July 2005
Possible Cause
3.2V or less output from encoder battery
or external power supply.
Control power is applied to the drive
while the motor is in motion.
Improper setting of analog current scale
System cannot meet motion profile
Incorrect current limit settings
Improper setting of analog velocity scale
System cannot meet motion profile
Inappropriate assignment of digital
inputs or outputs
Possible Cause
Motor thermal switch trips due to:
• High motor ambient temperature,
and/or
• Excessive current
Motor wiring error
Incorrect motor selection
Action/Solution
Replace battery or verify external power
1
supply.
After verifying motor has stopped, recycle
control power.
Verify scaling parameter corresponds to
analog signal range.
• Verify velocity loop tuning.
• Verify system sizing.
Verify current limits do not restrict current to
less than system capabilities.
Verify scaling parameter corresponds to
analog signal range.
• Verify position loop tuning.
• Verify system sizing.
• If operated in preset mode, verify presets
are assigned.
• If operated in a normal/override mode,
verify the override function is assigned.
Action/Solution
• Operate within (not above) the continuous
torque rating for the ambient temperature.
• Lower ambient temperature, or increase
motor cooling.
Check motor wiring.
Verify the proper motor has been selected.
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