23
D I A G R A M
T R O U B L E S H O O T I N G C O N T .
ANT
J2
A
UX ANT
COM
INTRLK
STOP
LED
OPEN
CLOSE
TTC
LEARN
1
LMEP1
LMEP2
23
4
5
6
7
ST
OP
CLOSE
OPEN
OPEN
CLOSE
STOP
Brake (Optional)
Capacitor
Motor
Interlock
Open Limit
Switch
Close Limit
Switch
Safety Limit
Switch
Yellow
Red
Brown**
Grey
Purple
Orange
Grey
Yellow
Brown**
Green
Red
Yellow
The status of the operator can be determined by counting the number of flashes of the LED on the logic board.
DIAGNOSTIC LED TABLE
# OF LED FLASHES
STATUS
FIX
1
System OK. Operating in C2 mode
none
2
System OK. Operating in B2 mode
none
3
Stuck CLOSE button
Check for stuck close button or shorted close wire
4
Monitored Safety Device failure
Check for:
1
) Misaligned or blocked photo eyes.
2
) Issue with Monitored
Sensing Edge and/or wiring.
5
Incorrect motor direction
Reverse the yellow and red motor wires on the capacitor.
6
Maximum run timer has timed out
(Maximum run time = 90 seconds)
Check clutch adjustment. Door height or speed may exceed the range the
operator can travel. Call Technical Support for assistance.
7
Logic Board Failure
Replace Logic Board.
NOTE:
It is normal for the logic board LED to flash 7 times
when power is applied or cycled to the operator. (Not a logic board failure.)
**
If interlock is not
used, wires are
capped together.
Remove Jumper
to install external
door interlock.
L2
L1
Black
Black
*
If brake is not supplied,
wires are capped separately
Blue
*
Blue
*
Summary of Contents for MH
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