Publication 2098-IN003E-EN-P — April 2004
Troubleshooting Status Indicators 4-3
General Troubleshooting
Refer to the Error Codes section below to identify problems, potential
causes, and appropriate actions to resolve the problems. If problems
persist after attempting to troubleshoot the system, please contact
your Allen-Bradley representative for further assistance. To determine
if your Ultra3000 drive has an error, refer to the table below.
Error Codes
The following list of problematic symptoms (no error code shown)
and problems with assigned error codes is designed to help you
resolve problems.
When a fault is detected, the seven-segment LED will display an E
followed by the flashing of the two-digit error code, one digit at a
time. This is repeated until the problem is cleared.
If the Logic Power LED is ON and the
Status LED display on your:
Is: Then:
2098-DSD-xxx, -xxxX, -HVxxx, or -HVxxxX
drive
Actively cycling segments in a full circle
Your Ultra3000 drive is ready.
2098-DSD-xxx-DN, -xxxX-DN, -HVxxx-DN,
-HVxxxX-DN drive
Your Ultra3000 drive is ready.
2098-DSD-xxx-SE or -HVxxx-SE drive Displaying a fixed 4 Your Ultra3000 drive is ready.
All drives
Flashing E followed by two numbers
Your Ultra3000 drive has an error. Proceed to
the section Error Codes below.
Flashing L
Your Ultra3000 drive is in an Overtravel
condition and motion restrictions are in effect.
Error
Code
Problem or Symptom Possible Cause(s) Action/Solution
Power (PWR) indicator not ON
No AC power or auxiliary logic power.
Verify AC power or auxiliary +5V logic
power is applied to the Ultra3000.
Internal power supply malfunction. Call your Allen-Bradley representative.
Power (PWR) indicator is ON, but seven
segment Status LED display is OFF.
Note: This applies to 2098-DSD-005, -010,
and -020 Ultra3000 models only.
Externally applied +5V auxiliary power
supply voltage is too low.
Verify that the external +5V auxiliary power
supply (as measured at the drive terminals)
reads between 5.10V and 5.25V.
Motor jumps when first enabled
Motor wiring error. Check motor wiring.
Incorrect motor chosen. Verify the proper motor is selected.
Digital I/O not working correctly I/O power supply disconnected. Verify connections and I/O power source.
E01 Non-Volatile Memory Endurance Exceeded
Range of motion and number of home
position definitions during the product life
exceeds the maximum allowed (applies
only to systems with absolute feedback).
This is an unrecoverable fault, the drive
must be sent back to the factory.
E02 Velocity Exceeds Position Rollover /2
The velocity command or feedback exceeds
half the machine cycle length per
millisecond (applies only when the
machine cycle position rollover is enabled).
Increase machine cycle size or reduce
velocity profile. This error only applies to
firmware versions prior to 1.10.
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