5.3 Faults, Minor Faults, Alarms, and Error Codes Listed Alphabetically
YASKAWA
TOEPYAIH6B01A HV600 AC Drive Narrow Bypass Installation & Startup
99
Display (Hex.)
Name
ALM LED
Type
Ref.
SToF (003B)
Safe Torque OFF
Flashing
Alarm
STPo (0037)
Motor Step-Out Detected
Illuminated
Drive Fault
TiM (0089)
Keypad Time Not Set
Flashing
Alarm
TiM (0401)
Keypad Time Not Set
Illuminated
Drive Fault
TrPC (0042)
IGBT Maintenance Time (90%)
Flashing
Alarm
UL3 (001E)
Undertorque Detection 1
Flashing
Alarm
UL3 (0029)
Undertorque Detection 1
Illuminated
Drive Fault
UL4 (001F)
Undertorque Detection 2
Flashing
Alarm
UL4 (002A)
Undertorque Detection 2
Illuminated
Drive Fault
UL6 (004E)
Underload or Belt Break Detected
Flashing
Alarm
UL6 (005A)
Underload or Belt Break Detected
Illuminated
Drive Fault
Uv (0001)
DC Bus Undervoltage
Flashing
Alarm
Uv1 (0002)
DC Bus Undervoltage
Illuminated
Drive Fault
Uv2 (0003)
Control Power Undervoltage
Illuminated
Drive Fault
Uv3 (0004)
Soft Charge Answerback Fault
Illuminated
Drive Fault
vAEr
Voltage Class, Capacity Mismatch
-
Backup Function Runtime Error
VBRATION (00CF)
Vibration Detected
Flashing
Alarm
vFyE
Parameters do not Match
-
Backup Function Runtime Error
VLTS (042B)
Thermostat Fault
Illuminated
Drive Fault