Diagram, Troubleshooting diagram – Controlled Products Systems Group CDO MD L/H Hoist 1/2hp 115v User Manual

Page 26

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26

ANT

J2

AUX ANT

COM

INTRLK

STOP

LED

OPEN

CLOSE

TTC

LEARN

1

LMEP1

LMEP2

23

4

5

6

7

STOP

CLOSE

OPEN

OPEN

CLOSE

STOP

Brake (Optional)

Capacitor

Motor

Interlock

Open Limit

Switch

Close Limit

Switch

Safety Limit

Switch

Yellow

Red

Red

Brown**

Grey

Purple

Orange

Grey

Yellow

Brown**

Green

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 Entrapment Protection Device
failure

Check for: 1) Misaligned or blocked Photoelectric Sensors.
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 fl ash 4 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

*

White

*

TROUBLESHOOTING

DIAGRAM

RESTRICTED CLOSE

This method will allow you to close the door when LMEP device(s) are no longer working. Press and hold the CLOSE button until the
door reaches the closed limit. If the CLOSE button is released before the door reaches the closed limit the operator will stop and the
procedure will need to be repeated to fully close the door.

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