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 293
for a list of alarm codes.
Table 6.4 Fault Displays
Digital
Operator
Display
Name
Page
bAT
Digital Operator Battery Voltage Low
boL
Braking Transistor Overload Fault
bUS
Option Communication Error
CE
MEMOBUS/Modbus Communication Error
CPF11 to
CPF14
Control Circuit Error
CPF16 to
CPF19
Control Circuit Error
CPF02
A/D Conversion Error
CPF03
Control Board Connection Error
CPF06
EEPROM Memory Data Error
CPF07,
CPF08
Terminal Board Connection Error
CPF20,
CPF21
Control Circuit Error
CPF22
Hybrid IC Error
CPF23
Control Board Connection Error
CPF24
Drive Unit Signal Fault
CPF25
Terminal Board Not Connected
CPF26 to
CPF35,
CPF40 to
CPF43
Control Circuit Error
E5
SI-T3 Watchdog Timer Error
EF0
Option Card External Fault
EF1 to EF8 External Fault
(input terminal S1 to S8)
Err
EEPROM Write Error
FAn
Internal Fan Fault
FbH
Excessive PID Feedback
FbL
PID Feedback Loss
GF
Ground Fault
LF
Output Phase Loss
LF2
Current Imbalance
LF3
Power Unit Output Phase Loss 3
nSE
Node Setup Error
oC
Overcurrent
Digital
Operator
Display
Name
Page
oFA00
Option Card Connection Error
(CN5-A)
oFA01
Option Card Fault (CN5-A)
oFA03 to
oFA06
Option Card Error
(CN5-A)
oFA10,
oFA11
Option Card Error
(CN5-A)
oFA12 to
oFA17
Option Card Connection Error
(CN5-A)
oFA30 to
oFA43
Comm Option Card Connection Error
(CN5-A)
oFb00
Option Card Connection Error
(CN5-B)
oFb01
Option Card Fault (CN5-B)
oFb02
Option Card Fault (CN5-B)
oFb03,
oFb11
Option Card Error (CN5-B)
oFb12 to
oFb17
Option Card Connection Error
(CN5-B)
oFC00
Option Card Connection Error
(CN5-C)
oFC01
Option Card Fault (CN5-C)
oFC02
Option Card Fault (CN5-C)
oFC03,
oFC11
Option Card Error (CN5-C)
oFC12 to
oFC17
Option Card Connection Error
(CN5-C)
oFC50 to
oFC55
Option Card Error (CN5-C)
oH
Heatsink Overheat
oH1
Heatsink Overheat
oH3
Motor Overheat Alarm (PTC input)
oH4
Motor Overheat Fault (PTC input)
oH5
Motor Overheat (NTC Input)
oL1
Motor Overload
oL2
Drive Overload
oL3
Overtorque Detection 1
oL4
Overtorque Detection 2
oL7
High Slip Braking oL
oPr
Operator Connection Fault
ov
Overvoltage
PF
Input Phase Loss
rF
Braking Resistor Fault
6.3 Drive Alarms, Faults, and Errors
292
YASKAWA SIEP YAIP1U 01C AC Drive - P1000 Technical Manual
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