Yaskawa GPD503 Drive - Manual (Page 114)

TROUBLESHOOTING CHART 7.1
MOTOR WILL NOT RUN
"CHARGE" LAMP
ON MAIN PC BOARD
LIT?
CHECK CIRCUIT
BREAKER, MAGNETIC
CONTACTOR AND
INPUT POWER.
NO
NO
NO
NO
NO (CONTROL BY EXT. INPUTS)
NO
(CONTROL
BY DIGITAL
OPERATOR)
NO
NO
YES
YES
YES
YES
YES
YES
YES
RATED VOLTAGE
ACROSS TERMINALS
L1 (R), L2 (S), AND L3 (T)?
FAULT CODE
SHOWN ON
ALPHA-NUMERIC
DISPLAY?
GO TO
APPROPRIATE
CHART, 7.3 THRU
7.10
RUN
LAMP
ON?
STOP COMMAND
STILL ON?
(CLOSED CIRCUIT
BETWEEN TERMINALS
11 AND 2)
RUN
COMMAND ON?
(CLOSED CIRCUIT
BETWEEN TERMINALS
11 AND 1)
RELEASE STOP
COMMAND INPUT.
INPUT RUN
COMMAND.
GPD 503'S
CONTROL POWER
CIRCUIT IS
FAULTY.
APPROX. 15VDC FROM
TERMINAL 15(+) TO 17?
A TO NEXT
PAGE
DIGITAL
OPERATOR
ASSEMBLY
IS FAULTY.
REPLACE.
7-2