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23
T R O U B L E S H O O T I N G
D I A G R A M
The status of the operator can be determined by counting the number of flashes of the LED on the logic board.
DIAGNOSTIC LED TABLE
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 (BMT only)
Capacitor
Motor
Safety
Limit
Switch
Open
Limit
Switch
Close
Limit
Switch
Yellow
Red
Grey
Purple
Orange
Grey
Yellow
Brown
**
Brown
**
Black
Black
Green
L2
L1
Red
Yellow
Blue
*
Blue
*
# 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 brake is not supplied,
wires are capped separately
**
If interlock is not used,
wires are capped together.
Remove Jumper to install
external door interlock.