Alarm And Error Displays; Faults - YASKAWA V1000 Series Installation & Start-Up Manual

5.3 Drive Alarms, Faults, and Errors
Type
• Tuning errors occur while performing Auto-Tuning.
• When the drive detects a tuning error:
• The digital operator displays text indicating the specific error.
Tuning Errors
• Multi-function contact outputs do not operate.
• Motor coasts to stop.
• Remove the cause of the error and repeat the Auto-Tuning process.
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Alarm and Error Displays

Faults

■
When the drive detects a fault, the ALM indicator LEDs remain lit without flashing. If the
LEDs flash, the drive has detected a minor fault or alarm.
Alarms on page 184
minor faults, therefore it is important to note whether the LEDs remain lit or if the LEDs
flash.
LED Operator
Display
Option Communication
bUS
Error
MEMOBUS/Modbus
CE
Communication Error
CF Control Fault
CoF Current Offset Fault
CPF02 A/D Conversion Error
CPF03 PWM Data Fault
Drive specification
mismatch during Terminal
CPF06
Board or Control Board
replacement
Terminal Board
CPF07
Communication Fault
EEPROM Serial
CPF08
Communications Fault
CPF11 RAM Fault
182
Drive Responses to Alarms, Faults, and Errors
for more information. An overvoltage situation trips both faults and
Name
YASKAWA ELECTRIC TOEP C710606 09B YASKAWA AC Drive V1000 Installation & Start-Up Manual
Refer to Minor Faults and
LED Operator
Page
Display
187 CPF22 A/D Conversion Error
187 CPF23 PWM Feedback Data Fault
188 CPF24 Drive Capacity Signal Fault
188 dEv
188 EF0
EF1
to
188
EF7
189 FbH
189 FbL
189
189
Name
Excessive Speed Deviation
(for Simple V/f with PG)
Option Card External Fault
External Fault
to
(input terminal S1 to S7)
Excessive PID Feedback
PID Feedback Loss
GF Ground Fault
LF Output Phase Loss
Page
190
191
191
191
191
192
192
193
193
193