beautypg.com

Rockwell Automation 825-MDN Smart Motor Manager DeviceNet Communication Card User Manual User Manual

Page 64

background image

Publication 825-UM002A-EN-P - December 2000

A-42

ODVA Drive Profile Fault and Warning Codes Supported

ODVA Fault

Code (hex)

ODVA Fault

Indication

SMM

LCD Indication

Possible Causes

Corrective Action

0000

No Fault

The drive is currently not faulted

No action required

14 hex

Current Trip

OC WARNING

OC TRIP

1. Overloaded

2. Transport material jammed
3. Pickup threshold set too low

4. Mech. damage to bearings
5. Stalling during running

1. Reduce load or raise pickup threshold

2. Switch off system, remedy cause
3. Raise pickup threshold

4. Repair damage
5. Switch off system, remedy cause

15 hex

Thermal Overload

THERMAL WARNING
THERMAL TRIP

1. Overloaded
2. Transport material jammed

3. Mech. damage to bearings
4. Settings of rated current or

tripping time too short

5. Interrupted start
6. More than one warm start/h

7. Ambient temperature too high
8. Very high third harmonic

1. Reduce load or raise pickup threshold
2. Switch off system, remedy cause

3. Repair damage
4. Raise full load current or max stall time

5. Wait until motor is cooled
6. If possible, raise warm starts/h setting

7. If possible, reduce load
8. Raise IE setting accordingly

16 hex

Phase Loss

PHASE LOSS TRIP

1. Faulty fuse: Short circuit/ earth

fault

2. Failure during start
3. Broken lead

1. Remedy damage, replace fuse

2. Redimension fuse.
3. Check cables and terminal connections

1A hex

Phase Imbalance

AS WARNING
ASYMMETRY TRIP

1. Mains unbalanced
2. Blown fuse

3. Motors idling (e.g. pumps)
4. Poor contact (terminals etc.)
5. Phase lead broken (motor,

825-MCM)

6. Asymmetry motor winding

7. Main current transformer error

1. Raise threshold in 825-SMM or call

Power Co.

2. Repair trouble and replace fuse
3. Raise threshold in 825-SMM
4. Repair trouble

5. Replace or repair cable
6. Raise threshold or replace motor

7. Replace the current transformer

1B hex

Ground Fault

EF H TRIP

EF C WARNING
EF C TRIP

1. Earth fault in motor or cable

2. Primary current transformer
wrongly wired

3. Primary current transformer
saturated

4. High 3rd harmonic in star-delta
5. Long motor cable

1. Repair damage

2. Correct wiring

3. Raise pickup threshold

4. Raise pickup threshold to 50% or more
5. Raise pickup threshold

1D hex

Underload

UL C WARNING
UNDERLOAD TRIP

1. Under water pump running dry
2. Faulty fan blades

3. Torn conveyor belt
4. Broken transmission elements
5. Pumping against a closed valve

1 - 5. Eliminate cause

36 hex

Phase Reversal

PHASE REVER PROT

1. Wrong phase sequence of supply

to 825-MCM

1. Connect phase leads in correct

sequence

This manual is related to the following products: