Faults, Alarms and Warning Codes
MAIN DISPLAY MESSAGE
DESCRIPTION OF FAULT ALARM
COMMS LOST (P1/P2)
Loss of Communications
SENSOR FAILURE
Pressure Sensor Fault
HIGH PRESS WARNING
High Pressure Warning
RUN DRY WARNING
Run Dry Warning (Automatic Reset)
RUN DRY FAULT
Run Dry Fault (Manual Reset required)
SHUTDOWN INPUT
External Shutdown Input Activated
OL ACCEL (P1/P2)
E.OC1 Overcurrent Trip During Acceleration
OVER CURR (P1/P2)
E.OC2 Overcurrent Trip During Constant Speed
OL DECEL (P1/P2)
E.OC3 Overcurrent Trip During Deceleration
OVER VOLT 1 (P1/P2)
E.OV1 Regenerative Overvoltage
OVER VOLT 2 (P1/P2)
E.OV2 Regenerative Overvoltage
OVER VOLT 3 (P1/P2)
E.OV3 Regenerative Overvoltage Trip
VFD OL TRIP (P1/P2)
E.THT Inverter Overload Trip
MOTOR OL TRIP (P1/P2)
E.THM Motor Overload Trip
VFD OVERHEAT (P1/P2)
E.FIN Fin Overheat
STALL PREVENTION (P1/P2)
E.OLT Stall Prevention
GROUND FLT (P1/P2)
E.GF Output Side Earth (ground)
OUTPUT PHASE LOSS (P1/P2)
E.LF Output Phase Loss
INRUSH CURR LIMIT (P1/P2)
E.IOH Inrush Current Limit Circuit
ANALOG INPUT (P1/P2)
E.AIE Analog Input Fault
INPUT PHASE LOSS (P1/P2)
E.ILF Input Phase Loss
BRAKE XSTR ALARM (P1/P2)
E.BE Break Transistor Alarm Detection
XTRNL THERM (P1/P2)
E.OHT External Thermal Relay Operation
XTRNL THERMIST (P1/P2)
E.PTC PTC Thermistor Operation
VFD EEPROM FAULT (P1/P2)
E.PE Parameter Storage Device Fault
DISCONNECTED PU (P1/P2)
E.PUE PU Disconnection
FLT RETRY EXCEED (P1/P2)
E.RET Retry Count Excess
VFD CPU FAULT (P1/P2)
E.5/E.CPU CPU fault
OUTPUT AMPS DET (P1/P2)
E.CDO Ouput Current Detection Value Exceeded
SAFETY CIRC FLT (P1/P2)
E.SAF Safety Circuit Fault
IMPORTANT:
Faults can be reset by pressing the STOP/RESET button on the VFD. The HAND/OFF/AUTO selector switch must be
in the “OFF” position when resetting any fault. Please contact your distributor if you are unable to reset a fault by
removing power from the VFD and repowering after one minute.
VARIO
speed
®
3R Duplex User Manual
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