6. Troubleshooting and check
6-4
Servo motor restrained
state,
High load operation at
stop
Servo motor restraint, stall status,
proper load inspection through
machine inspection
Stall status
Over-current
Servo motor restrained
state,
Servo drive output
terminal (U, V, W) short
circuit,
DB fault, output over-
current
Servo motor is constrained by
machine check, stall load proper
load check, output terminal wiring
check, restart after alarm reset,
Over-Current continue drive
replacement
Servo motor restrained
state
Servo motor fan failure
Temperature sensor failure
and cable removal
Servo motor restraint, stall status
proper load check, servo motor fan
check, temperature sensor and
cable check through machine check
17bit serial
encoder count
error
Poor encoder cable signal
connection, bad FG wiring,
Encoder failure
Encoder cable signal line and FG
wiring check, encoder cable
replacement, encoder replacement
Battery LOW
Voltage
Warning
Battery voltage is lowered
below 3.1V
(When P02-35 = 0)
Battery (3.6V) replacement
Trial of entry of parameter
that cannot be changed
when servo is ON,
change in parameter
locking condition
Change the set value after servo is
OFF, cancel parameter lock setting
menu (P01-19) .
Input value within set range.
[When using the FDA7000EX Series]
Explosion
proof motor
Overheat
alarm
Explosion-proof motor
overheating state,
Motor temperature
detection signal wiring
After cooling the explosion-proof
motor, check the PTC connection.
Explosion-proof motor if alarm
occurs continuously at room
temperature
Servo motor
parameter
Reading
failure
Encoder cable error,
Incremental Type
Servo motor, encoder
failure
Encoder Cable Check
Servo motor encoder type check
Encoder exchange
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