CHAPTER 7 MAINTENANCE AND INSPECTION

 Alarm reset

Some alarms cannot be cleared through alarm resetting. To remove the alarm that is not cleared

through alarm resetting, remove the cause of the alarm following the method described in "7.3

Troubleshooting Method" after (or before) the power is turned off, and then reset the status by

turning the power again.

Alarms cleared through alarm resetting

Alarms not cleared through alarm resetting

display

Name

display

Name

oc1

Overcurrent 1

Et1

Encoder Trouble 1

oc2

Overcurrent 2

Et2

Encoder Trouble 2

oS

Overspeed

ct

Circuit Trouble

Hu

Overvoltage

tH

Breaking Transistor

Overheat

Ec

Encoder Communication

Error

oL1

Overload 1

dE

Memory Error

Fb

Fuse Blown

cE Motor Combination Error

ctE CONT（Control signal）Error

oL2

Overload 2

LuP Main Power Undervoltage

rH1

Internal Breaking Resistor

Overheat

rH2

External Breaking Resistor

Overheat

oF

Deviation Overflow

rH3 Breaking Transistor Error

rH4

Inrush Current Suppression

Circuit Trouble

7

dL1 Absolute Data Lost 1*

DL2 Absolute Data Lost 2*

DL3 Absolute Data Lost 3*

AH

Amplifier Overheat

AF Multi-turn Data Over Flow*

EH

Encoder Overheat

iE

Initial Error

* The alarms dL1 to 3 and AF can be

Alarm reset at keypad

canceled by position preset.

The alarm currently detected at the servo amplifier is reset.

Fn05

ESC

SET

(1 sec. or over)

ALrt

SET

(1 sec. or over)

Go

ESC

donE End of resetting

Status Display 7-5