Alarm and error displays, Faults – Yaskawa Z1000U User Manual
Page 190
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 HOA keypad, and the fault contact
MA-MB-MC triggers. An alarm is present if the ALM LED blinks and the fault code on the HOA keypad flashes.
Minor Faults and Alarms on page 191
Table 5.5 Fault Displays
HOA
Keypad
Display
Name
Page
Aov
Power Supply Overvoltage
AUv
Power Supply Undervoltage
bAT
HOA Keypad Battery Low
bUS
Option Communication Error
CE
MEMOBUS/Modbus Communication Error
CoF
Current Offset Fault
CPF00 to
CPF03,
CPF07,
CPF08,
CPF11 to
CPF14,
CPF16 to
CPF24
CPF26 to
CPF35
CPF40 to
CPF45
<1> <2>
Control Circuit Error
CPF06
Control Circuit Error
CPF25
Terminal Board Not Connected
doH
Damping Resistor Overheat
EF0
Option Card External Fault
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
GF
Ground Fault
LF
Output Phase Loss
LF2
Current Imbalance
nSE
Node Setup Error
oC
Overcurrent
oFA00
<3>
Option Card Connection Error at Option Port
CN5-A
oFA01
Option Card Fault at Option Port CN5-A
oFA03 to
oFA06
Option Card Error Occurred at Option Port 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)
HOA
Keypad
Display
Name
Page
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
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
oFC12 to
oFC17
Option Card Error Occurred at Option Port
CN5-C
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)
oH4
Motor Overheat Fault (PTC input)
oL1
Motor Overload
oL2
Drive Overload
oL3
Overtorque Detection 1
oL4
Overtorque Detection 2
oL5
Mechanical Weakening Detection 1
oPr
External Digital Operator Connection Fault
ov
Control Circuit Overvoltage
SCF
Safety Circuit Fault
SEr
Too Many Speed Search Restarts
SoH
Snubber Discharge Resistor Overheat
SrC
Phase Order Detection Fault
Srr
Internal Resistance Fault
STo
Pull-Out Detection
SvE
Zero Servo Fault
TdE
Time Data Error
TIM
Time Not Set
UL3
Undertorque Detection 1
UL5
Mechanical Weakening Detection 2
Uv1
<3>
Control Circuit Undervoltage Fault
5.3 Drive Alarms, Faults, and Errors
190
YASKAWA ELECTRIC TOEP C710636 10B Z1000U HVAC MATRIX Drive User Manual