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SV01H

Troubleshooting and Diagnostics

5.3 Fault Messages

The messages below show how they will appear on the display when the drive trips. When looking at the Fault History

(P500), the _ will not appear in the fault message.

Fault Cause Remedy

(1)

High Temperature fault Drive is too hot inside • Reduce drive load

• Improve cooling

Assertion Level fault • Assertion Level switch is changed

during operation

• P120 is changed during operation

•

P100 or P121...P124 are set to a

value other than 0 and P120 does

not match the Assertion Level

Switch.

• Make sure the Assertion Level switch

and P120 are both set for the type

of input devices being used, prior to

setting P100 or P121...P124.

Refer to 3.2.3 and P120.

Personality fault Drive Hardware • Cycle Power

• Power down and install EPM with valid

data

• Reset the drive back to defaults (P199

= 3, 4) and then re-program

• If problem persists, contact factory

technical support

Control fault An EPM has been installed that is either

blank or corrupted

Incompatible EPM fault An EPM has been installed that contains

data from an incompatible parameter

version

Dynamic Braking fault Dynamic braking resistors are overheating • Increase active decel time

(P105, P126, P127).

• Check mains voltage and P107

External fault • P121…P124 = 21 and that digital input

has been opened.

• P121…P124 = 22 and that digital input

has been closed.

• Correct the external fault condition

• Make sure digital input is set properly

for NC or NO circuit

EPM fault EPM missing or defective Power down and replace EPM

Internal faults Contact factory technical support

Control Conﬁguration Fault The drive is setup for REMOTE KEYPAD

control (P100=2 or 5) but is not setup to

communicate with a remote keypad

Set P400 = 1, or P600 = 1

The drive is setup for NETWORK ONLY

control (P100=3) but is not setup for

network communications

Set P400 or P600 to a valid network

communications protocol selection

Loss of 4-20 mA signal fault 4-20 mA signal (at TB-25) is below 2 mA

(P163 = 1)

Check signal/signal wire

OEM Defaults data fault Drive is powered up with P199 =1 and

OEM settings in the EPM are not valid.

Install an EPM containing valid OEM

Defaults data or change P199 to 0.

High DC Bus Voltage fault Mains voltage is too high Check mains voltage and P107

Decel time is too short, or too much regen

from motor

Increase active decel time

(P105, P126, P127) or install Dynamic

Braking option

(1) The drive can only be restarted if the error message has been reset.

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