Delta HES Series Instructions For Use Manual page 98

Chapter 5 Methods of Anomaly Diagnosis
Display Code
HES Series
Description of Anomaly
DC Fuse blown on (FUSE), for
models below (including) 30HP
Error on memory write in
Error on memory readout
Detection of abnormal output of
three-phase total current
Detection of abnormal current in
phase U
Detection of abnormal current in
phase V
Detection of abnormal current in
phase W
When external terminals EF are
closed, Hybrid Servo Controller
stops its output
When external EMG terminal is
not connected to the heating
switch of hybrid servo motor or the
motor is overheated (130 ºC),
Hybrid Servo Controller stops its
input
Braking transistor error
1. Check if the transistor module fuse is bad.
2. Check if the load side is shorted.
Press RESET key to return all parameters to
factory default values
If the above does not work, send back to
manufacturer for repair
Turn off the power and restart. If the same
problem persists, send back to manufacturer
for repair
Troubleshoot and press "RESET"
Troubleshoot and press "RESET"
Press RESET. If the display still shows "bF",
please send the unit back to manufacturer for
repair
5-6
Troubleshooting