Rockwell Automation 20P PowerFlex Digital DC Drive User Manual

Page 205

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Rockwell Automation Publication 20P-UM001I-EN-P - February 2013

205

Troubleshooting

Chapter 4

Table 40 - Fault Cross Reference by Number

STune CurLimit

59

2

One of the following has occurred:
The value of Par

1048

[Autotune Cur Lim] for auto tuning

the speed regulator is set too high.

Decrease the value of Par

1048

[Autotune Cur Lim] and repeat the

auto tune procedure.

Par

107

[Speed Zero Level] and/or

108

[Speed Zero Delay]

is set too high.

Set Pars 107 and 108 to their default values when performing the
Speed Loop Autotuning function.

STune FrictionLo

60

2

The friction value attained during the auto tuning procedure
is zero or lower than the control precision limit.

Decrease the value of Par

1048

[Autotune Cur Lim] and repeat the

auto tune procedure.

STune LoadHi

58

2

One of the following has occurred:
The loading torque value is too high at zero speed to

complete the speed regulator auto tuning procedure.

Decrease the load torque, where applicable, and repeat the auto
tune procedure.

Par

107

[Speed Zero Level] and/or

108

[Speed Zero Delay]

is set too high.

Set Pars 107 and 108 to their default values when performing the
Speed Loop Autotuning function.

STune Overspeed

56

2

The measured motor speed is too high during the speed
regulator auto tuning procedure.

Decrease the value of Par

1048

[Autotune Cur Lim] and repeat the

auto tune procedure.

STune Stalled

57

2

The drive stalled during the speed regulator auto tuning
procedure.

Increase the value of Par

1048

[Autotune Cur Lim] and repeat the

auto tune procedure.

STune Timeout

61

2

The speed regulator auto tuning procedure did not complete
within the available time or the current regulator auto tuning
procedure did not complete within 15 minutes.

Verify the value in Par

1048

[Autotune Cur Lim]. If this value is set to

low, the motor will not be able to reach a maximum speed of 33%
of the lower of the values in Par

45

[Max Ref Speed] or Par

3

[Max

Speed Fwd] or Par

4

[Max Speed Rev] and not be able to complete

the test. Set these values appropriately and repeat the auto tuning
procedure.

Sustained Curr

70

2

One of the following has occurred:
The motor CEMF is too high or the line voltage is too low
A current bridge change command has not completed

within 1 second

Check the line voltage and frequency.
Check the motor brushes and connections.
Check the Main and DB Contactor connections if present.
Verify that there are no overhauling loads present.

(1) See

page 199

for a description of fault types.

Fault Name

Number Type

(1)

Description/Possible Cause(s)

Action(s)

No.

(1)

(1) Fault numbers not listed are reserved for future use.

Fault

No.

(1)

Fault

2

Auxiliary Input

64

Drive Overload

3

Power Failure

70

Sustained Curr

4

AC Undervoltage

71…75

Port 1 Adaptor

5

Arm Overvoltage

Port 2 Adaptor

6

Fld Current Loss

Port 3 Adaptor

7

Motor Overload

Port 4 Adaptor

8

Heatsink OvrTemp

Port 5 Adaptor

10

Main Contactor

81…85

Port 1 DPI Loss

13

Overcurrent

Port 2 DPI Loss

16

Motor Over Temp

Port 3 DPI Loss

25

Overspeed

Port 4 DPI Loss

37

Inverting Fault

Port 5 DPI Loss

48

Params Defaulted

91

Speed Fdbk Loss

56

STune Overspeed

92

Encoder Error

57

STune Stalled

93

Resolver Error

58

STune LoadHi

100

EEPROM Error

59

STune CurLimit

130

Hardware Fault

60

STune FrictionLo

131

Interrupt Error

61

STune Timeout

132

Dsp Error

62

STune Aborted

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