Status and remedy for alarm, A.f1, Display and outputs – Yaskawa MP940 User Manual
Page 395: Cpf00

SERVOPACK Inspection, Maintenance, and Troubleshooting
10.2.1 Troubleshooting Problems with Alarm Displays
10-28
Status and Remedy for Alarm
A.F1
A.F1: Power Line Open Phase
Display and Outputs
Note: OFF: Output transistor is OFF (alarm state).
ON: Output transistor is ON.
Status and Remedy for Alarm
Note: A and B tend to occur in a SERVOPACK with a capacity of 500 W or
higher.
CPF00
CPF00: Digital Operator Transmission Error 1
This alarm is not stored in the alarm trace-back function memory.
Cause
Remedy
A
Option Unit is defective.
Replace the Option Unit.
Alarm Outputs
Alarm Code Outputs
ALM Output
ALO1
ALO2
ALO3
OFF
ON
OFF
OFF
Cause
Remedy
A
One phase (L1, L2, or L3) of the
main circuit power supply is discon-
nected.
• Check power supply.
• Check wiring of the main circuit power
supply.
• Check MCCB, noise filter, magnetic con-
tactor.
B
There is one phase where the line
voltage is low.
Check power supply.
C
SERVOPACK defective.
Replace SERVOPACK.
A
At power ON
C
A,B
At main circuit power
supply ON.
Occurred when the control
power turned ON.
- Tag Generator (30 pages)
- MP3300iec (82 pages)
- 1000 Hz High Frequency (18 pages)
- 1000 Series (7 pages)
- PS-A10LB (39 pages)
- iQpump Micro User Manual (300 pages)
- 1000 Series Drive Option - Digital Input (30 pages)
- 1000 Series Drive Option - CANopen (39 pages)
- 1000 Series Drive Option - Analog Monitor (27 pages)
- 1000 Series Drive Option - CANopen Technical Manual (37 pages)
- 1000 Series Drive Option - CC-Link (38 pages)
- 1000 Series Drive Option - CC-Link Technical Manual (36 pages)
- 1000 Series Drive Option - DeviceNet (37 pages)
- 1000 Series Drive Option - DeviceNet Technical Manual (81 pages)
- 1000 Series Drive Option - MECHATROLINK-II (32 pages)
- 1000 Series Drive Option - Digital Output (31 pages)
- 1000 Series Drive Option - MECHATROLINK-II Technical Manual (41 pages)
- 1000 Series Drive Option - Profibus-DP (35 pages)
- AC Drive 1000-Series Option PG-RT3 Motor (36 pages)
- Z1000U HVAC MATRIX Drive Quick Start (378 pages)
- 1000 Series Operator Mounting Kit NEMA Type 4X (20 pages)
- 1000 Series Drive Option - Profibus-DP Technical Manual (44 pages)
- CopyUnitManager (38 pages)
- 1000 Series Option - JVOP-182 Remote LED (58 pages)
- 1000 Series Option - PG-X3 Line Driver (31 pages)
- SI-EN3 Technical Manual (68 pages)
- JVOP-181 USB Copy Unit (2 pages)
- JVOP-181 (22 pages)
- SI-EN3 (54 pages)
- MECHATROLINK-III (35 pages)
- SI-ET3 (49 pages)
- EtherNet/IP (50 pages)
- SI-EM3 (51 pages)
- 1000-Series Option PG-E3 Motor Encoder Feedback (33 pages)
- 1000-Series Option SI-EP3 PROFINET (56 pages)
- PROFINET (62 pages)
- AC Drive 1000-Series Option PG-RT3 Motor (45 pages)
- SI-EP3 PROFINET Technical Manual (53 pages)
- A1000 Drive Option - BACnet MS/TP (48 pages)
- 120 Series I/O Modules (308 pages)
- A1000 12-Pulse (92 pages)
- A1000 Drive Software Technical Manual (16 pages)
- A1000 Quick Start (2 pages)
- JUNMA Series AC SERVOMOTOR (1 page)
- A1000 Option DI-101 120 Vac Digital Input Option (24 pages)