Delta HES Series User Manual page 81

5-1-2 Error Messages Displayed on Digital Operation Panel
KPVJ-LE01
Display Code
Over
acceleration;
exceeds by three times the rated
current of the frequency inverter
Over
deceleration;
exceeds by three times the rated
current of the frequency inverter
Over current occurs when running;
output current exceeds by three
times the rated current of the
frequency inverter
Over current occurs when the
system is off. Unusual hardware
circuit by current detection
Shorting of top and bottom bridges
in IGBT module are detected by
Hybrid Servo Controller
Over
internal DC high voltage side
detected
Controller in acceleration
Over
internal DC high voltage side
detected
Controller in deceleration
Over
internal DC high voltage side
detected
Controller when running
Over voltage occurs when the
system is off. Unusual hardware
circuit by current detection
The DC voltage of Hybrid Servo
Controller is lower than the setting
in Pr.02-07 in acceleration
The DC voltage of Hybrid Servo
Controller is lower than the setting
in Pr.02-07 in deceleration
The DC voltage of Hybrid Servo
Controller is lower than the setting
in Pr.02-07
constant speed
The DC voltage of Hybrid Servo
Controller is lower than the setting
in Pr.02-07 when off
Phase los protection
Description of Anomaly
current occurs
output current
current occurs
output current
voltage occurs on
by Hybrid
voltage occurs on
by Hybrid
voltage occurs on
by Hybrid
when running
5-3
Chapter 5 Methods of Anomaly Diagnosis
Troubleshooting
Check if the insulation of the wire from U-V-W
in
to the hybrid servo motor is bad
Check if the hybrid servo motor is stalled
Replace with the Hybrid Servo Controller with
larger output capacity
Check if the insulation of the wire from U-V-W
in
to the hybrid servo motor is bad
Check if the hybrid servo motor is stalled
Replace with the Hybrid Servo Controller with
larger output capacity
Check if the insulation of the wire from U-V-W
to the hybrid servo motor is bad
Check if the hybrid servo motor is stalled
Replace with the Hybrid Servo Controller with
larger output capacity
Send back to manufacturer for repair
Send back to manufacturer for repair
the
230: DC 450V
460V: DC 900V
Servo
Check if the input voltage is within the range
of voltage rating of Hybrid Servo Controller
the
and monitor for any occurrence of surge
voltage
Servo
For Hybrid Servo Controller with power below
22kW, the issue can be resolved by adjusting
the software brake action level in Pr.02-00
the
For Hybrid Servo Controller with power
above 22kW, the issue can be resolved by
Servo
adjusting the action level in the brake unit
(Please refer to Appendix B-6 for details.)
Check if the input voltage is within the range
of voltage rating of Hybrid Servo Controller
and monitor for any occurrence of surge
voltage
Check if the voltage of input power is normal
Check if there is any sudden heavy load
Adjust the low voltage level in Pr.02-07
at
Check if only single phase power is sent or
phase los occurs for three phase models
For models with 40HP and above, check if
the AC side fuse is blown
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