PY Manual
Copyright © 2006 SANYO DENKI
AMERICA
, Inc.
123
Bus Power (R, S, and T) Supply Failure
Symbol
7-Segment Display
Alarm code
CN1- [46,45,44,43]
MPE
9
1001
Operating Condition
Cause
Corrective Action
Alarm occurs when the
control power supply is
turned ON
•
Faulty PC board
•
Replace servo
amplifier
•
The bus power (R, S,
and T) voltage is too
low
•
Bring input power
within specification
Alarm occurs when the bus
power (R, S, and T) supply
is turned ON
•
The internal bridge
rectifier or fuse is
damaged
•
Replace servo
amplifier
•
Too large of a input
power variation
•
Bring input power
within specification
Alarm occurs while the
motor is in operation
•
Faulty PC board
•
Replace servo
amplifier
Bus Power (R, S, and T) Phase Missing
Symbol
7-Segment Display
Alarm code
CN1- [46,45,44,43]
FP
A
1010
Operating Condition
Cause
Corrective Action
Alarm occurs when the
control power supply is
turned ON
•
Faulty PC board
•
Replace servo
amplifier
•
The three phase power
has a phase missing
•
Bring input power
within specification
Alarm occurs when the bus
power (R, S, and T) is
turned ON
•
Bus power (R, S, and
T) connections are not
tight
•
Tighten terminals R, S,
and, T on main
terminal strip
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