Eastey EC Series, Руководство пользователя, Страница: 29 / 39

Troubleshooting 29
Troubleshooting
The following illustration shows the D.C. board housed in the conveyor Control Box.
Some of the solutions to problems identified in the Troubleshooting table that follows
refer to adjustments made by turning potentiometers on this board.
Basic KBMM™ Controller Board Connection Diagram KBMM™ with Barrier Terminal Kit
For more information refer to the
KBMM™ Installation and Operation Manual
(provided by the D.C. board
manufacturer).
Problem Possible Cause Corrective Action
1. Motor does not run;
Power On, Indicator
not lit.
1. Power switch is in Off
position, or
2. AC voltage is not
brought to L1 and L2
terminals.
3. Blown line fuse
1. Toggle power switch
to On position; or
2. Correct wiring to
control box.
3. Replace line fuse with
20A rated 3AB-type
fuse. If fuse blew due
to mis-wiring, speed
control module may
be damaged.
L
1
P
1
L
2
P
2
A
1
A
2
P
3
F+ F–
AC
Line
50/60 Hz
Armature
Motor
Field Potentiometer
Motor Armature Main Speed Potentiometer AC Line
Input
(Front View)
Enable Switch
(Open to Stop)
(Close to Run)
AC Line Fuse
Supplied Separately
Supplied Separately
Armature Fuse
is in center position.
Make sure jumper J2
Wiper
Low
High
Horsepower Resistor
®
Supplied Separately
Plug-In
L1
Blue
A+
F-
Red
ACCEL
DECEL
EN
M
-
+
CONN1
P2
PWR ON
I1
T
B
F+
A-
CL
L2
P3
MAX
P1
MIN
I2
IR CL
J1
J2
CONTROL LAYOUT & GENERAL CONNECTION DIAGRAM (Model KBMM-225D Shown)
(Note: Control is set for 208 /230 VAC line input, 0 -180 VDC output with armature feedback)
®