Rockwell Automation GV3000/SE AC Drive Ver. 6.06 Hdwe Ref., Installation, and Troubleshooting Manual User Manual

Page 93

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Troubleshooting the Drive

9-9

Table 9.1 – Resistance Checks

1–60 HP Drives

Input

Diode

No.

Meter

Connection

(+) (-)

Component is OK if

resistance (R) is:

Component is defective if:

1

* R/L1

50K < R < 10 Megohms Continuity (short circuit) or

open when the meter is

connected with reversed

polarity

2

* S/L2

3

* T/L3

4

R/L1 **

5

S/L2 **

6

T/L3 **

* (+) DC Bus Volts power terminal

** (-) DC Bus Volts power terminal

60–100 HP Drives

Input

Diode

No.

Meter

Connection

(+) (-)

Component is OK if

resistance (R) is:

Component is defective if:

1

47 1L1

0.3 kohm < R < 8 kohm

Continuity (short circuit) or

open when the meter is

connected with reversed

polarity

2

47 1L2

3

47 1L3

4

1L1 45

5

1L2 45

6

1L3 45

100–150 HP Drives

Input

Diode

No.

Meter

Connection

(+) (-)

Component is OK if

resistance (R) is:

Component is defective if:

1

47 1L1

R > 100 kohm

Continuity (short circuit)

2

47 1L2

3

47 1L3

4

1L1 45

5

1L2 45

6

1L3 45

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