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16. Troubleshooting table ■
bUOH DBR overheat detected
Is the braking ratio appropriate
Reduce GD
2
of load or
lengthen deceleration time
Free
Emergency switch operation
Check S6 or COM short or not Open S6 and COM
5Er
Double chips abnormal
Switch off the power and then
apply again
Replace the unit
Er3
Keypad communication abnormal Check the wiring of keypad lost
or not
Replace the cable