Motor Does Not Rotate At Set Speed - Veikong gpd 515/g5 Startup Manual

CONTROL METHOD?
V/F
or
Open Loop Vector
PROPER
YES
CONNECTIONS
FROM DRIVE
TO MOTOR?
NO
CHECK CON-
NECTIONS FOR
PROBLEM AND
REPAIR.
IS PG
NO
POWER SUPPLY
NORMAL?
CONSULT
YASKAWA.
TROUBLESHOOTING CHART 6.3

MOTOR DOES NOT ROTATE AT SET SPEED

CORRECT MOTOR FOR
YES
USE WITH DRIVE?
Flux Vector
or
V/F w/ PG
PROPER CONNECTIONS
FROM DRIVE TO
MOTOR AND PG?
PROPER FREQUENCY
REFERENCE INPUT?
(TERMINAL 17(–) TO 13 ( U1-15 ),
14 ( U1-16 ), OR 16 ( U1-17 ) )
ALL GROUP b PARAMETER
SETTINGS PROPER
FOR APPLICATION?
NO
SIGNAL NORMAL?
YES
MECHANICAL SYSTEM
APPROX. 15VDC FROM
TERMINAL 15(+) TO 17?
NO
NO
YES
NO
YES
NO
YES
CONTROL METHOD?
Flux Vector
or
V/F w/ PG Open Loop Vector
IS PG OUTPUT
(See Section 6.6)
YES
EXCESSIVE
YES
CHATTER?
NO
NO
YES
DRIVE
IS FAULTY.
6-14
CONSULT YASKAWA
ABOUT MOTOR SELECTION.
CHECK CONNECTIONS
FOR PROBLEM AND
REPAIR.
CHECK EXTERNAL
CIRCUITS FOR
PROBLEM AND
REPAIR.
CHECK SETTINGS;
REPROGRAM
AS REQUIRED.
V/F
or
CHECK FOR
PROBLEM IN MOTOR,
MECHANICAL SYSTEM
OR BRAKE.
DRIVE'S
CONTROL POWER
CIRCUIT IS FAULTY.