YASKAWA SI-EP3, Technical Manual, Page: 41 / 58

8 Communication
YASKAWA ELECTRIC SIEP C730600 89C YASKAWA AC Drive Option SI-EP3 Technical Manual 41

Option High Priority Alarm Codes
These codes are transmitted as Manufacturer Specific Diagnostic high priority alarms that can be seen in the PLC
configuration software. These high priority codes are the same codes that appear in the drive manual, except with an
offset of 0x1000.
Table 25 PROFINET Option High Priority Alarm Codes
Drive Alarm
Code
(Hex)
<1>
Description Corrective Action
1000 None –
1001 DC Bus Fuse Open (PUF) Output Transistor Failure. Replace the drive
1002 DC Bus Undervolt (Uv1) Input power fluctuation too large
1003 CTL PS Undervolt (Uv2) Cycle drive power and replace drive if fault continues
1004 MC Answerback (Uv3) Cycle drive power and replace drive if fault continues
1005 Short Circuit (SC)
• Check drive wiring
• Cycle drive power and replace drive if fault continues.
1006 Ground Fault (GF) Check for motor and/or cable damage
1007 Over Current (oC) Check motor, motor load and accel/decel rates
1008 DC Bus Overvolt (oV)
• Check incoming voltage
• Check deceleration time
1009 Heatsink Overtemp (oH)
• Check ambient temperature
• Check drive cooling fan
100A Heatsink Max Temp (oH1) Check drive cooling fan
100B Motor Overload (oL1)
• Check the load, accel/decel and cycle times
• Check motor rated current (E2-01)
100C Inv Overload (oL2)
• Check the load, accel/decel and cycle times
• Check drive rating
100D Overtorque Det 1 (oL3)
• Check L6-02 and L6-03 settings
• Check system mechanics
100E Overtorque Det 2 (oL4)
• Check L6-05 and L6-06 settings
• Check system mechanics
100F DynBrk Transistor (rr) Cycle drive power and replace drive if fault continues
1010 DynBrk Resistor (rH) Check load, operating speed and deceleration time
1011 External Fault 3 (EF3)
• Multifunction digital input set to external fault
• Circuit at terminal is closed
1012 External Fault 4 (EF4)
1013 External Fault 5 (EF5)
1014 External Fault 6 (EF6)
1015 External Fault 7 (EF7)
1016 External Fault 8 (EF8) –
1017 Heatsink Fan (FAn) Check drive cooling fan
1018 Overspeed Det (oS)
• Check reference and reference gain
• Check F1-08 and F1-09 settings
1019 Speed Deviation (dEV)
• Check load, accel/decel times and system mechanics
• Check F1-10 and F1-11 settings
101A PGo Open (PGo) Check PG card connections
101B Input Phase Loss (PF) Excessive input voltage fluctuation
101C Output Phase Loss (LF)
• Check for broken wire/loose terminals
• Check motor rating
101D None –
101E Keypad Disconnected (oPr) Reconnect the keypad
101F EEPROM R/W Error (Err) Cycle drive power and replace drive if fault continues
1020 None –
1021
Comm Error (bUS)
• Check network cable connections.
• Check 24 Vdc power supply voltage
1022 Check option installation and connections.
1023
Cycle drive power and replace option or drive if fault continues.
1024