20
Trouble
Possible causes
Trouble-shooting
13. Trolley cannot move
towards WEST
(1)
Check up WEST limit switch
(2)
The “WEST” current of hoisting has
broken
(3)
Push button “WEST” malfunctions
(4)
Contactor of WEST malfunctions
(1)
Replace with a new WEST limit-
switch
(2)
Check the break point of current
(3)
Replace with a new push-button
(4)
Replace with a new “WEST”
contactor
14. Trolley cannot move
towards EAST and WEST
(Trolley motor stopped)
(1)
The brake of trolley motor is not
turned ON
(2)
The trolley motor has burnt out
Contact the supplier or the regional
distributor.
15. End-carriage cannot
move towards SOUTH
(1)
Check up the SOUTH limit switch
(2)
The “SOUTH” current has broken
(3)
Push-button “SOUTH”
malfunctions
(4)
Contactor of SOUTH malfunctions
(1)
Replace with a new SOUTH limit-
switch
(2)
Check up the circuit point that
failed
(3)
Replace with a new push-button
(4)
Replace with a new SOUTH
contactor
16. End-carriage cannot
move towards NORTH
(1)
Check up NORTH limit switch
(2)
The “NORTH” current has broken
(3)
Push-button “NORTH”
malfunctions
(4)
Contactor of NORTH malfunctions
(1)
Replace with a new NORTH limit-
switch
(2)
Check up the circuit point that
failed
(3)
Replace with a new push-button
(4)
Replace with a new NORTH
contactor
17. End-carriage moves
unevenly
(1)
One of motors' brake is not turned
ON or failure to turned on
(2)
One of the motors has burnt out
Contact the supplier or the regional
distributor
18. End-carriage starts and
stops unevenly
(1)
The gaps of motor on the both
sides were not adjusted well
(2)
One of motors’ brakes is not
turned ON
(3)
One of motors has burnt out
Contact the supplier or the regional
distributor
19. The main power failed
(No fuse breaker)
(1)
Three-phase power has two-phase
short-circuit
(2)
Any phase and ground has short-
circuit (electric leakage)
(1)
Check the circuit of power
(2)
Check the reason of electric
leakage
20. Push button does not
work
(1)
Battery has no power
(2)
The fuse of receiver has burnt
(1)
If the RED light is ON, please
replace with a new battery
(2)
Replace the fuse
21. Hoist moves without
operator
(1)
The FREQUENCY of the remote
control is SIMILAR to other remote
controls
(2)
Any phase of control cable with
common line has short-circuit
(1)
Change the frequency of remote
control
(2)
Check it and solve it
Summary of Contents for M Series
Page 1: ...M series OPERATIONS MANUAL ...
Page 24: ...FiTOP 20160620 ...