Ingersoll-Rand 7940-8770 TROUBLE- Shooting, Problem Probable Cause Corrective Action, Accessories

Page 12

TROUBLE- SHOOTING –

Cont.

 

PROBLEM

PROBABLE CAUSE

CORRECTIVE ACTION

 

 

 

 

 

 

 

Presence Sensor

1. Improper data from the lockout

1. Allow the door to open in the automatic

 

repeatedly re-learns the

device

mode. Unlock the Presence Sensor and

 

environment with each

2. Data polarity at the Presence

launch a setup by pressing the Setup key,

 

 

Sensor is incorrect

followed by the number 2. If the sensor

 

 

 

does not begin flashing green, and instead

 

 

 

goes back to a red indication, improper data

 

 

 

exists. Refer to respective lockout User’s

 

 

 

Guide for troubleshooting.

 

 

 

2. Check for proper polarity at terminal 6 and

 

 

 

7. The negative wire from the lockout

 

 

 

(white) should be connected to terminal 6,

 

 

 

and the red/white striped wire from the

 

 

 

lockout should connect at terminal 7.

 

 

 

‰ HELPFUL HINT: If faulty data is suspected,

 

 

 

simply power the door to the open position

 

 

 

(by activation OR with the use of a hold

 

 

 

open switch). While the door is open,

 

 

 

unlock the Presence Sensor, and press the

 

 

 

setup key, followed by the number 2. If the

 

 

 

sensor goes back to a red LED (as opposed

 

 

 

to flashing the green LED to indicate a

 

 

 

setup), there is a strong probability that the

 

 

 

data is incorrect. Refer then to the

 

 

 

respective lockout User’s Guide for

 

 

 

troubleshooting help.

 

 

 

 

 

 

Presence Sensor not

1. Batteries in the remote control are

1. Replace batteries in the remote control

 

reacting to the remote

dead.

2. Move in closer to the sensor when

 

control

2. Distance between sensor and

programming.

 

 

remote is too far.

3. If remote control fails, manual programming

 

 

 

procedures may have to be used. See page

 

 

 

8.

 

 

 

 

‰ HELPFUL HINT: Use LCN’s Spotfinder to

 

 

 

test the output of the remote control. Simply

 

 

 

point the remote at the IR Spot on the

 

 

 

Spotfinder, press the Unlock key on the

 

 

 

remote, and red LED should illuminate.

 

 

 

 

 

 

 

 

 

 

ACCESSORIES

BodyMount

Presence Sensor Quick Disconnect Harness

Lockout Safety

P/N 761222-79

P/N 20.5051.00

Beams / SBK-30

75.5255.02 XXXXXXXX

 

7940-8770 LCN

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Contents LCN Specifications Installation TipsDescription TechnicalSafety PrecautionsMechanical Installation Preparation Mechanical Installation Placement of the SensorMechanical Installation Electrical Installation and CablingPosition Connection 7-Pin Wire Color 10-pin cable Mechanical Adjustments POWER-UP ProceduresLCN’S Universal Remote Control Double Egrees Reducing Cross TalkProgramming Guide General Functions Remote P/N Programming Guide Pattern Adjustments Manual NON-REMOTE SET-UP PB1 PB2Presence Sensor Width Patterns PresenceSensor Depth TROUBLE- Shooting Problem Probable Cause Corrective Action Possibly be no safety on the door whenPresence Sensor. Caution there may This test is performed. Activate the doorProblem Probable Cause Corrective Action AccessoriesLockout Safety TROUBLE- Shooting

7940-8770 specifications

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