CHAPTER 7 MAINTENANCE AND INSPECTION
Status Display 7-5
7
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
dE
Memory Error
tH
Breaking Transistor
Overheat
Fb
Fuse Blown
Ec
Encoder Communication
Error
cE
Motor Combination Error
oL1
Overload 1
ctE
CONT（Control signal）Error
oL2
Overload 2
rH3
Breaking Transistor Error
LuP
Main Power Undervoltage
rH4
Inrush Current Suppression
Circuit Trouble
rH1
Internal Breaking Resistor
Overheat
dL1
Absolute Data Lost 1*
rH2
External Breaking Resistor
Overheat
DL2
Absolute Data Lost 2*
oF
Deviation Overflow
DL3
Absolute Data Lost 3*
AH
Amplifier Overheat
AF
Multi-turn Data Over Flow*
EH
Encoder Overheat
iE
Initial Error
Alarm reset at keypad
The alarm currently detected at the servo amplifier is reset.
ESC
ESC
SET
(1 sec. or over)
SET
(1 sec. or over)
End of resetting
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