8. MAINTENANCE
8 - 18
Alarm Status
Segment LED
Display
Alarm Code
ALM8,4,2,1
Abbreviation
Alarm
Name
Alarm
Clear
Contents
1111 MEME Memory
error
Not
Possible
• Amplifier capacity does not match motor
code
• Motor code change alarm
• Error detected in the built-in non-volatile
memory of amplifier
Alarm code 0,1 indicates: when Func2/ bit7,6 =”0,0”, “0”= output open and “1”= output short.
Operating state when alarm occurred
POSSIBLE CAUSES
OPERATING STATE
1 2 3
When control power supply is turned on
○ △
During remote controller operation
△ ○
Corrective Measures
CAUSE CORRECTIVE MEASURES
1 CPU is unable to read correct value from
built-in non-volatile memory in amplifier.
Replace servo amplifier
2 Faulty amplifier control board Replace servo amplifier
3 Bit0 of Func6 was changed to “1” from remote
controller.
• Reset remote controller and turn ON power again
→ Confirm no alarm occurs.
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