Sanyo SUPER BL P5 Manual page 159

8. MAINTENANCE
Alarm Status
Segment LED Alarm Code
Display ALM8,4,2,1
Alarm code 0,1 indicates: when Func2/ bit7,6 ="0,0", "0"= output open and "1"= output short.
Operating state when alarm occurred
OPERATING STATE
When control power supply is turned on
When servo ON is inputted
When motor is started or stopped
After operating for a short period
Corrective Measures
• U, V, W phases of wiring between amplifier
1
and motor is short-circuited or grounded.
• UVW phases between amplifier and motor is
not connected, or contact failure.
2 U, V, W phases of servomotor is
short-circuited or grounded.
3 Faulty PC board
Faulty power module
4 Incorrect combination of amplifier and motor
5 Overheating of power module (IPM)
Abbreviation
OC (MOC) Power
0001
IFBE
CAUSES
Alarm Alarm
Name Clear
Possible • Error detected in internal power module
element
(IPM) of Amplifier
error
• Abnormal value detected in current
(Over
detection module of Amplifier.
current)
Current
Possible • Current detector error of Servo Amplifier
detector
was detected.
error
POSSIBLE CAUSES
1
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Check wiring between amplifier and motor. Correct
or replace wiring.
Replace servomotor.
Replace amplifier.
Check if servomotor conforms to motor code.
Replace with correct motor if necessary.
• Check if cooling fan in amplifier is rotating. Replace
amplifier if fan is not operating.
• Check if temperature of control board (ambient
temperature of amplifier) is exceeding 131°F
(55℃). If exceeding, review installation and
cooling methods of amplifier to ensure temperature
stays below 55℃.
8 - 3
Contents
2 3 4
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CORRECTIVE MEASURES
5
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