8. MAINTENANCE
8 - 8
Alarm Status
Segment LED
Display
Alarm Code
ALM8,4,2,1
Abbreviation
Alarm
Name
Alarm
Clear
Contents
0111 PE
Control
power
supply
error
Possible Control power supply input voltage is
below specified range
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 operation
△
○
Corrective Measures
CAUSE CORRECTIVE MEASURES
1 Faulty amplifier internal circuit Replace servo amplifier.
2 Power supply input voltage is below specified
range
Set voltage within specified range.
3 Fluctuation or momentary interruption of input
power voltage
Check power supply