SPI9000 Inverter Unit FI9 – FI14 User Manual

September 2006

Appendix A — Fault Codes

When a fault is detected by the inverter control electronics, the drive is stopped and the symbol F together with the ordinal number of the fault, the fault code and a short fault description appear on the display. The fault can be reset with the RESET button on the control keypad or via the I/O terminal. The faults are stored in the Fault History Menu M5, which can be browsed. Table A-1contains all the fault codes.

Table A-1: Fault Codes

Fault

 

 

 

Code

Fault

Possible Cause

Solution

 

 

 

 

 

 

 

 

1

Overcurrent

Inverter detected too high a current

Check loading.

 

 

(>4 x In) in the motor cable:

Check motor.

 

 

• Sudden heavy load increase

Check cables.

 

 

• Short circuit in the motor

 

 

 

• Unsuitable motor

 

2

Overvoltage

The DC link voltage exceeded the

Set the deceleration time longer.

 

 

defined limits:

Add a brake chopper or brake

 

 

• Deceleration time too short

resistor.

 

 

• High overvoltage spikes in supply

 

3

Ground Fault

Current measurement has detected

Check motor cable and motor.

 

 

that the sum of motor phase currents

 

 

 

is not zero.

 

 

 

• Insulation failure in cables or

 

 

 

motor

 

 

 

 

 

5

Charging Switch

Charging switch is open, when the

Reset the fault and restart.

 

 

START command is given:

Should the fault re-occur, contact

 

 

• Faulty operation

your Cutler-Hammer distributor.

 

 

• Component failure

 

6

Emergency Stop

Stop signal was given from the

 

 

 

option board.

 

 

 

 

 

7

Saturation Trip

Various causes:

Cannot be reset from the keypad.

 

 

• Component failure

Switch off the power.

 

 

• Brake resistor is short circuited or

DO NOT RE-CONNECT POWER.

 

 

overloaded

Contact Eaton.

 

 

 

If this fault appears simultaneously

 

 

 

with Fault 1, check motor cables and

 

 

 

motor.

 

 

 

 

8

System Fault

• Component failure

Reset the fault and restart.

 

 

• Faulty operation

Should the fault re-occur, contact

 

 

Note: See exceptional fault data

your Cutler-Hammer distributor.

 

 

record on Page 5-12.

 

 

 

 

 

Programmable.

 

 

MN04004002E

For more information visit: www.EatonElectrical.com

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Eaton Electrical SPI9000 user manual Appendix a Fault Codes, Table A-1 Fault Codes, Fault Code Possible Cause Solution

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