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u
Alarm and Error Displays
n
Faults
gives an overview of possible fault codes. Conditions such as overvoltages can trip faults and alarms. It is important
to distinguish between faults and alarms to determine the proper corrective actions.
When the drive detects a fault, the ALM indicator LED lights, the fault code appears on the digital operator, and the fault
contact MA-MB-MC triggers. An alarm is present if the ALM LED blinks and the fault code on the digital operator flashes.
Refer to Minor Faults and Alarms on page 365
for a list of alarm codes.
Table 6.9 Fault Displays
Digital Operator
Display
Name
Page
Aov
Power Supply Overvoltage
AUv
Power Supply Undervoltage
bUS
Option Communication Error
CE
MEMOBUS/Modbus Communication
Error
CF
Control Fault
CoF
Current Offset Fault
to
,
,
,
to
,
to
,
to
,
to
CPF00 to
CPF03,
CPF07,
CPF08,
CPF11 to
CPF14,
CPF16 to
CPF24,
CPF26 to
CPF35,
CPF40 to
CPF45
Control Circuit Error
CPF06 Control Circuit Error
CPF25 Terminal Board Not Connected
dEv
Speed Deviation (for Control Mode
with PG)
doH
Damping Resistor Overheat
dv1
Z Pulse Fault
dv2
Z Pulse Noise Fault Detection
dv3
Inversion Detection
dv4
Inversion Prevention Detection
dv7
Initial Polarity Estimation Timeout
dWAL
DriveWorksEZ Fault
dWFL
dWF1
EEPROM Memory DriveWorksEZ
Data Error
E5
MECHATROLINK Watchdog Timer
Error
EF0
Option Card External Fault
to
EF1 to
EF8
External Fault
(input terminal S1 to S8)
Err
EEPROM Write Error
FAn
Fan Fault
FbH
Excessive PID Feedback
FbL
PID Feedback Loss
Fdv
Power Supply Frequency Fault
Digital Operator
Display
Name
Page
GF
Ground Fault
LF
Output Phase Loss
LF2
Current Imbalance
LSo
LSo Fault
nSE
Node Setup Error
oC
Overcurrent
oFA00 Option Card Connection Error at Option
Port CN5-A
oFA01 Option Card Fault at Option Port CN5-
A
to
oFA03 to
oFA06
Option Card Error Occurred at Option
Port CN5-A
,
oFA10,
oFA11 Option Card Error (CN5-A)
to
oFA12 to
oFA17
Option Card Connection Error
(CN5-A)
to
oFA30 to
oFA43
Comm Option Card Connection Error
(CN5-A)
oFb00
Option Card Fault at Option Port CN5-
B
oFb01
Option Card Fault at Option Port CN5-
B
oFb02
Option Card Fault at Option Port CN5-
B
,
oFb03,
oFb11
Option card error occurred at Option
Port CN5-B
to
oFb12 to
oFb17
Option card error occurred at Option
Port CN5-B
oFC00 Option Card Connection Error at Option
Port CN5-C
oFC01 Option Card Fault at Option Port CN5-
C
oFC02 Option Card Fault at Option Port CN5-
C
,
oFC03,
oFC11
Option Card Error Occurred at Option
Port CN5-C
to
oFC12 to
oFC17
Option Card Error Occurred at Option
Port CN5-C
to
oFC50 to
oFC55
Option Card Error Occurred at Option
Port CN5-C
oH
Heatsink Overheat
oH1
Overheat 1 (Heatsink Overheat)
oH3
Motor Overheat Alarm (PTC input)
6.3 Drive Alarms, Faults, and Errors
YASKAWA ELECTRIC SIEP C710636 04D U1000 Industrial MATRIX Drive Technical Manual
363
6
Troubleshooting
Содержание U1000 iQpump Drive
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