List of alarms

The following list shows the types of alarms that can occur while using the Clean Power VFD.

Severity

Default action

Category

Alarm

Minor

None

Input power line

Line frequency mismatch

Line Voltage Swell

Line Voltage Sag

VFD System

Software update failed

Booted from back up software

VFD Hardware

Defective cooling fan

Ethernet port 1 disconnected

Ethernet port 2 disconnected

Medium

Start / Stop

Input power line

Input power line phase loss

Input power line unbalanced

Control

Loss of analog input

Simultaneous reverse and forward commands

VFD Hardware

DC bus undervoltage

DC bus single phase

High ambient temperature

Faulty cooling fan #(1,2,3,4)

VFD System

Internal error

watchdog reset

Motor

Motor Application underload

Motor currents unbalanced

Motor over temperature

Motor phase loss

Major

lock out

VFD Hardware

DC bus over voltage

VFD high temperature

VFD System

Unknown boot state

Abnormal memory usage

Abnormal CPU usage

System degraded

Motor

Motor currents unbalanced

Critical

lock out

Input power line

Input power line over current

VFD Hardware

Cooling fan capacity

VFD internal over temperature

VFD System

DC bus readout

Internal communication errors

Booted from backup software copy and restored factory settings.

Control

Safe torque off

Motor

Motor/Application overload

Motor over current (short circuit on VFD output)

Motor ground fault