THOMSON Omnidrive Series Installation Manual page 141

11-4 Maintenance and Troubleshooting
Troubleshooting Guide (continued)
T 11.1
ABLE
Problem or Symptom
IPM Fault
Bus Undervoltage
Bus Overvoltage
Illegal Hall State
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
Excessive Average Current
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Error Code Possible Cause(s)
05 Motor cables shorted
Motor winding shorted internally Check for short on R,S,T and
Drive temperature too high
Operation above continuous
power rating
Output short circuit or overcur-
rent
09 Low AC line/AC power input
(100 V AC minimum for safe
drive operation)
10 Excessive regeneration of
power
When the drive is driven by an
external mechanical power
source, it may regenerate too
much peak energy through the
drive's power supply. The sys-
tem faults to save itself from an
overload.
Excessive AC input voltage
Output short circuit
Motor cabling wires shorted
together
Internal motor winding short cir-
cuit
11 Incorrect phasing
Bad connections
12
13
14
15
16
17 Excessive time at peak current
Software parameter set too low
Insufficient bus voltage
Action/Solution
Verify continuity of motor power
cable and connector.
Gnd windings of the motor.
Check for clogged or defective
fan.
Ensure cooling is not restricted
by insufficient space around the
unit.
Verify ambient temperature is
not too high (above 60° C).
Operate within the continuous
power rating.
Drive has a bad IPM, replace
drive.
Verify voltage level of the
incoming VAC power.
Check main VAC power source
for glitches or line drop (below
90 VAC).
Install an uninterruptible power
supply (UPS) on your VAC
input.
Change the deceleration or
motion profile and/or reduce the
reflected inertia of your mechan-
ical system.
Use a larger system (motor and
drive).
Verify input is below 264 VAC.
Check for shorts.
Check for shorts.
Check for shorts.
Check the Hall phasing.
Verify the Hall wiring.
Reduce acceleration rates
Reduce duty cycle (ON/OFF) of
commanded motion.
Increase time permitted for
motion.
User larger drive and motor.
Increase Average Current
parameter to a less restrictive
setting.
Correct the under voltage condi-
tion or intermittent AC power or
install a larger size transformer.