YASKAWA GPD-506V

MOTOR DOES NOT ROTATE
"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, 6.3 THRU
6.10
RUN
LAMP
ON?
STOP COMMAND
STILL ON?
(CLOSED CIRCUIT
BETWEEN TERMINALS
S2 & SC)
RUN
COMMAND ON?
(CLOSED CIRCUIT
BETWEEN TERMINALS
S1 & SC)
RELEASE STOP
COMMAND INPUT.
INPUT RUN
COMMAND.
DRIVE'S
CONTROL POWER
CIRCUIT IS
FAULTY.
APPROX. 15VDC FROM
TERMINAL FS(+) TO FC?
A
TO NEXT
PAG E
DIGITAL
OPERATOR
ASSEMBLY
IS FAULTY.
REPLACE.
6-6
TROUBLESHOOTING CHART 6.1