6.4 Faults, Minor Faults, Alarms, and Error Codes Listed by Decimal Value for Use with BACnet/Modbus
470 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
Decimal Value Display (Hex.) Name ALM LED Type Ref.
29 CALL (001D) Serial Comm Transmission Error Flashing Alarm 498
30 UL3 (001E) Undertorque Detection 1 Flashing Alarm 508
31 UL4 (001F) Undertorque Detection 2 Flashing Alarm 508
32 SE (0020) Modbus Test Mode Error Flashing Alarm 507
33 L24v (0021) Loss of External Power 24 Supply Flashing Alarm 503
34 oH3 (0022) Motor Overheat (PTC Input) Flashing Alarm 505
41 CyPo (0029) Cycle Power to Accept Changes Flashing Alarm 499
42 dnE (002A) Drive Disabled Flashing Alarm 499
52 HCA (0034) High Current Alarm Flashing Alarm 502
53 LT-1 (0035) Cooling Fan Maintenance Time Flashing Alarm 504
54 LT-2 (0036) Capacitor Maintenance Time Flashing Alarm 504
57 EF1 (0039) External Fault (Terminal S1) Flashing Alarm 500
58 EF2 (003A) External Fault (Terminal S2) Flashing Alarm 500
59 SToF (003B) Safe Torque OFF Flashing Alarm 507
60 STo (003C) Safe Torque OFF - Alarm 507
66 TrPC (0042) IGBT Maintenance Time (90%) Flashing Alarm 508
67 LT-3 (0043) SoftChargeBypassRelay MainteTime Flashing Alarm 504
68 LT-4 (0044) IGBT Maintenance Time (50%) Flashing Alarm 504
71 PF (0047) Input Phase Loss Flashing Alarm 506
78 UL6 (004E) Underload or Belt Break Detected Flashing Alarm 508
98 SAFE (0062) Customer Safeties Flashing Alarm 507
103 EOF (0067) Emergency Override FWD Flashing Alarm 501
104 EOR (0068) Emergency Override REV Flashing Alarm 501
105 INTLK (0069) BAS Interlock Flashing Alarm 503
129 EP24v (0081) External Power 24V Supply Flashing Alarm 501
133 bAT (0085) Keypad Battery Low Voltage Flashing Alarm 496
137 TiM (0089) Keypad Time Not Set Flashing Alarm 507
138 bCE (008A) Bluetooth Communication Error Flashing Alarm 497
144 Bu-Fb (0090) Main Fdbk Lost Using Backup Fdbk Flashing Alarm 497
145 BuFbl (0091) Backup Fdbk Lost Chk/Repl Xducer Flashing Alarm 497
146 CE (0092) Run at H5-34 (CE Go-To-Freq) Flashing Alarm 498
147 DIFF (0093) Differential Feedback Exceeded Flashing Alarm 499
148 FDBKL (0094) Feedback Loss Wire Break Flashing Alarm 501
149 FLGT (0095) Feedback Loss, Go To Freq b5-83 Flashing Alarm 501
150 HIAUX (0096) High PI Aux Feedback Level Flashing Alarm 502
151 HIFB (0097) High Feedback Sensed Flashing Alarm 502
153 LOAUX (0099) Low PI Aux Feedback Level Flashing Alarm 503
154 LOFB (009A) Low Feedback Sensed Flashing Alarm 503
155 LOP (009B) Loss of Prime Flashing Alarm 503
156 NMS (009C) Setpoint Not Met Flashing Alarm 504
157 OD (009D) Output Disconnect Flashing Alarm 505
158 FR<MS (009E) Freq Ref < Minimum Speed (Y1-06) Flashing Alarm 502
159 FR<TH (009F) Freq. Reference < Thrust (Y4-12) Flashing Alarm 502