Rockwell Automation FlexPak Plus DC Drive User Manual
Page 42
5:12
Done
A
Fixed?
See Note #1
Replace
regulator board
Yes
No
Is reference
voltage
present?
Check reference voltage beĆ
tween pins 26 and 57 (ComĆ
mon).
Is reference
voltage
present?
Check to see if jumper J4 on
the regulator board has been
cut or removed.
B
Is
voltage
present?
Replace
regulator board
Done
Fixed?
See Note #1
Yes
No
Replace control
transformer
Done
Fixed?
Yes
No
No
Yes
Check DĆC Voltage between
terminals 28 and 20 with MAX
speed pot turned fully clockĆ
wise (Approx. 11.2 VDC).
Replace Remote
Operator Buffer Kit
Done
Fixed?
Yes
No
Is
voltage
present?
See Note #1
C
No
Yes
No
Yes
Note #1: Contact local sales/service office.
Yes
No
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DANGER
SOME OF THE FOLLOWING CHECKS AND PROCEDURES REQUIRE THE POWER TO BE ON. EXERCISE
EXTREME CARE AS HAZARDOUS VOLTAGE EXISTS. FAILURE TO OBSERVE THIS PRECAUTION
COULD RESULT IN SEVERE BODILY INJURY OR LOSS OF LIFE.
Figure 5Ć8. M" Contactor PicksĆUp But Motor Does Not Run. (Continued)