YASKAWA CIMR-JC4A0002BAA Quick Start Manual page 133

5.4 Fault Detection
LED Operator Display
CPF22
Cause
Control circuit is damaged.
LED Operator Display
CPF23
Cause
Hardware is damaged.
LED Operator Display
CPF24
Cause
Hardware is damaged.
LED Operator Display
Cause
An external fault was received from
the PLC with other than H5-04 = 3
"alarm only" (the drive continued
to run after external fault).
Problem with the PLC program.
LED Operator Display
Cause
132
A/D Conversion Fault
A/D conversion error.
• Cycle power to the drive.
147.
• If the problem continues, replace the drive.
PWM Feedback Fault
PWM feedback error.
Replace the drive.
Drive Capacity Signal Fault
Entered a capacity that does not exist. (Checked when the drive is powered up.)
Replace the drive.
MEMOBUS/Modbus Communication External Fault
EF0
An external fault condition is present.
• Remove the cause of the external fault.
• Remove the external fault input from the PLC.
Check the PLC program and correct problems.
External Fault (input terminal S1)
EF1
External fault at multi-function input terminal S1.
External Fault (input terminal S2)
EF2
External fault at multi-function input terminal S2.
External Fault (input terminal S3)
EF3
External fault at multi-function input terminal S3.
External Fault (input terminal S4)
EF4
External fault at multi-function input terminal S4.
External Fault (input terminal S5)
EF5
External fault at multi-function input terminal S5.
YASKAWA ELECTRIC TOEP C710606 26B YASKAWA AC Drive – J1000 Quick Start Guide
http://nicontrols.com
Fault Name
Possible Solution
Refer to Diagnosing and Resetting Faults on page
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution
Fault Name
Possible Solution