Rockwell Automation FlexPak Plus DC Drive - Manual (Page 38)

5:8
Bad Aux contact on contacĆ
tor. Replace FM contactor or
Aux (if possible).
Apply AĆC Power and check for proper
line voltage between terminals 51
and 52.
Do you have
correct
voltage
?
Start
Yes
No
3C
No Check for open
fuses/disconnect
Fixed
?
Done
Yes
No
Yes
Note #1: Contact local sales/service office.
Do you
have an open
circuit
?
Replace or repair fuses/
disconnect problem
Problem is with AĆC line
voltage supply. Correct
this problem.
Fixed
?
Done
Yes
No
Does FM
contactor pickup
when start button
is pressed
?
While pressing start button check for
24VDC between pins 36 and 139
Voltage
Present
?
Check for continuity between pin 38
and 39 on the regulator card.
Continuity
OK
?
Open foil on regulator board.
Replace board.
Bad CR relay. Replace
regulator board.
No
Fixed
?
Done
Yes
No
See Note #1
Yes
Yes
No No
No
Go to 3B
Yes
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 BODILYINJURYOR LOSS OF LIFE.
Figure 5Ć6. Drive Doesn't Start.