Yaskawa Z1000U HVAC Matrix Bypass - Manual (Page 232)

u Alarm and Error Displays
n Faults
Table 6.4 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. Refer to
Minor Faults and Alarms on page 233 for a list of alarm codes.
Table 6.4 Fault Displays
HOA
Keypad
Display
Name Page
Aov Power Supply Overvoltage 235
AUv Power Supply Undervoltage 235
bAT HOA Keypad Battery Low 235
bUS Option Communication Error 235
CE MEMOBUS/Modbus Communication Error 236
CoF Current Offset Fault 236
CPF00 to
CPF03,
CPF07,
CPF08,
CPF11 to
CPF14,
CPF16 to
CPF24
CPF26 to
CPF35
CPF40 to
CPF45
<1> <2>
Control Circuit Error 236
CPF06 Control Circuit Error 236
CPF25 Terminal Board Not Connected 236
doH Damping Resistor Overheat 236
EF0 Option Card External Fault 237
EF1 to EF8 External Fault
(input terminal S1 to S8)
237
Err EEPROM Write Error 237
FAn Fan Fault 237
FB01 Safety Open 238
FB02 BAS Interlock Open Time Out 238
FB03 External Fault Bypass (EFB) 238
FB05 Motor Overload 238
FB06 External Motor 1 Overload 239
FB07 External Motor 2 Overload 239
FB08 Phase Loss Brownout 239
FB09 Phase Loss Blackout 239
FB10 No Drive Comms 240
FB11 Bypass Board Hardware Error 240
FB12 Option Board Comms 240
FB13 Loss of Load 240
FB14 Serial Communications Fault 240
FB15 Input Phase Loss 241
FB16 Input Phase Rotation 241
FbH Excessive PID Feedback 241
FbL PID Feedback Loss 241
HOA
Keypad
Display
Name Page
Fdv Power Supply Frequency Fault 241
GF Ground Fault 241
LF Output Phase Loss 242
LF2 Current Imbalance 242
nSE CanOpenNID Error 242
oC Overcurrent 242
oFA00
<3>
Option Card Connection Error at Option Port
CN5-A
243
oFA01 Option Card Fault at Option Port CN5-A 243
oFA03 to
oFA06
Option Card Error Occurred at Option Port CN5-
A
243
oFA10,
oFA11
Option Card Error (CN5-A) 243
oFA12 to
oFA17
Option Card Connection Error
(CN5-A)
243
oFA30 to
oFA43
Comm Option Card Connection Error
(CN5-A)
243
oFb00 Option Card Fault at Option Port CN5-B 244
oFb01 Option Card Fault at Option Port CN5-B 244
oFb02 Option Card Fault at Option Port CN5-B 244
oFb03,
oFb11
Option Card Error Occurred at Option Port
CN5-B
244
oFb12 to
oFb17
Option Card Error Occurred at Option Port
CN5-B
244
oFC00
Option Card Connection Error at Option Port
CN5-C
244
oFC01 Option Card Fault at Option Port CN5-C 244
oFC02 Option Card Fault at Option Port CN5-C 245
oFC03,
oFC11
Option Card Error Occurred at Option Port
CN5-C
245
oFC12 to
oFC17
Option Card Error Occurred at Option Port
CN5-C
245
oFC50 to
oFC55
Option Card Error Occurred at Option Port
CN5-C
245
oH Heatsink Overheat 245
oH1 Overheat 1 (Heatsink Overheat) 245
oH3 Motor Overheat Alarm (PTC input) 245
oH4 Motor Overheat Fault (PTC input) 246
oL1 Motor Overload 246
oL2 Drive Overload 247
oL3 Overtorque Detection 1 247
oL4 Overtorque Detection 2 247
oL5 Mechanical Weakening Detection 1 247
oPr External Digital Operator Connection Fault 247
6.3 Drive Alarms, Faults, and Errors
232 YASKAWA SIEP YAIZ1D 01A Z1000U HVAC MATRIX Drive Bypass Technical Manual