Maintenance Reference(CP45FV) Eng.pdf - 第105页
Inspection of the Contr oller Corrective measures Cause Corrective measures 1 Faulty PC board Faulty power module Replace amplifier 2 Incorrect combination of amplifier and motor Check if servomotor confo r ms to mot…
Samsung Component Placer CP45FV Series Maintenance Guide
Alarm Code 21H (Power module error (over current))
Operating state when alarm occurred
Possible causes
Operating state
1 2 3 4
When control power supply is turned on Low
High Low
When servo ON is input High High High
When motor is started or stopped Low Low Low
After operating for a short period Low Low Low High
Corrective measures
Causes Corrective measures
1
U, V, W phases of wiring between
amplifier and motor are short-
circuited or grounded.
Check wiring between amplifier and
motor. Correct or replace wiring.
2
U, V, W phases of servomotor are
short-circuited or grounded.
Replace servomotor.
3
Faulty PC board Faulty power
module
Replace amplifier.
4
Power module (IPM) overheat is
detected.
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 131°F
(55℃).
Alarm Code 22H (Current F/B error 0)
Operating state when alarm occurred
Possible causes
Operating state
1 2
When control power supply is turned on High Low
After operating for a short period Low High
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Inspection of the Controller
Corrective measures
Cause Corrective measures
1
Faulty PC board
Faulty power module
Replace amplifier
2
Incorrect combination of amplifier
and motor
Check if servomotor conforms to motor
code. Replace with correct motor if
necessary.
Alarm Code 24H (Current F/B error 2)
Alarm Code 24H (Current F/B error 2)
Operating state when alarm occurred
Possible causes
Operating state
1 2
When control power supply is turned on High
During operation Low High
Corrective measures
Cause Corrective measures
1
Faulty internal circuit of Servo
Amplifier
Replace amplifier.
2 Malfunction caused by noise
Check that amplifier earth cable
should be correctly grounded.
Add ferrite core as a counter measure
against noise.
Alarm Code 41H (Overload 1）
Operating state when alarm occurred
Possible causes
Operating state
1 2 3 4 5 6 7 8 9
When control power supply is
turned on
H
When servo ON is inputted
H H
H
After position command input
(when motor is not rotating)
H
H H H
H
After position command input
(after operating for a short
period)
H H H
L H
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Samsung Component Placer CP45FV Series Maintenance Guide
Corrective measures
Cause Corrective measures
1
Faulty amplifier control board or power
module
Replace servo amplifier.
2 Faulty servomotor encoder circuit Replace servomotor.
3 Effective torque exceeds rated torque
Monitoring torque generated by motor using
the estimated effective torque (Trms) to
check if effective torque is exceeding rated
torque.
Or, calculate effective torque of motor from
the load and operating conditions → If
effective torque is higher than rated torque,
review operating or load conditions, or
replace with larger capacity motor.
4
Incorrect combination of amplifier and
motor.
Check if motor code conforms to servomotor.
Correct if necessary.
5 Holding brake of servomotor is not released
Check brake wiring for errors. Replace
servomotor if brake wiring is found to be correct
(and voltage is applied as specified).
6
Incorrect wiring of U, V, W phases between
amplifier and motor
Check wrong wiring and correct it.
7
One or all of the U, V, W phase wirings
between amplifier and motor is
disconnected
Check wrong wiring and correct it.
8 Mechanical interference Review operating conditions and limit switch.
9
Encoder pulse number setting does not
meet motor
Make it meet encoder pulse number of motor.
Caution
In case of alarm cause #3, repeatedly turning the control
power OFF --> ON may cause the servomotor to bum.
After eliminating this above cause, turning off the power
supply, and sufficient time passes over (30 minutes or
more), reoperate.
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