Warning, Erase/reset, Troubleshooting – Chamberlain 942FP User Manual

Page 4: The battery

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Erase/Reset

• To erase users:

NOTE: Erasing a user will erase ALL stored fingerprints. User
does NOT need to reprogram to opener.

1

1. Open cover and wait until Ready

LED is lit.

ENROLL

SEND

ENROLL

PASS

FAIL

2. Enrolled user must slowly and firmly

READY

RETRY

swipe fingerprint.

2

3. Press and hold the Enroll button for at

least 6 seconds. The Pass LED and Fail
LED will flash for 15 seconds. During
this time the Resend button is active.

3

After 15 seconds the Enroll and Ready
LEDs will light indicating fingerprints are
erased. The unit will return to Enroll
mode.

• To return unit to Factory Reset state:

NOTE: Factory reset state will erase ALL stored fingerprints.
This method should be used ONLY when an enrolled user is
not available as it requires user to reprogram unit to opener.

1. Open cover and wait until Ready

1

LED is lit.

ENROLL

SEND

ENROLL

PASS

FAIL

READY

RETRY

2. Press and hold the Enroll button

2

until all LEDs turn off. Release
button.

3. Again press and hold the Enroll

3

button until the Ready and Enroll
LEDs are lit and not flashing.

Troubleshooting

• If no known enrolled users are available:

— The memory must be erased using the Factory Reset

process.

• If the unit does not recognize a swiped fingerprint:

— Ensure that the Ready LED is lit before you swipe.

— Ensure that fingerprint is swiped correctly (See Tips for

Success).

— Ensure that fingerprint is enrolled.

— Ensure that sufficient pressure is being applied to sensor

strip (do not press too hard).

— Ensure that the sensor and finger are not wet.

• If the unit is in Enroll mode at power up:

— Complete enrollment process for initial user.

— The initial enroll process failed (signalled by a lit Enroll

LED and Fail LED) and must be repeated.

• If enrolling new user and all LEDs flash and unit returns

to Ready mode:

— The memory is full. In order to add new user, the memory

needs to be erased. Refer to Erase User or Factory Reset.

• If the unit does not wake:

— A button may be stuck. Press Enroll and Resend buttons

to ensure free movement.

— The batteries may need to be replaced.

• If the Fail LED flashes during use:

— The batteries need to be replaced.

NOTE: If sensor is dirty, user should wipe sensor with a clean
finger. It is recommended that the sensor be periodically
cleaned with a lint-free cloth dampened with alcohol.

The Battery

WARNING

WARNING

To prevent possible SERIOUS INJURY or DEATH:

• NEVER allow small children near batteries.
• If battery is swallowed, immediately notify doctor.

The batteries should produce power for
at least one year. Replace when the
Fail LED flashes during use. The unit
requires 4 AAA batteries.

Dispose of old batteries properly.

Cover

1. Slide cover completely off.

2. Unscrew the two screws and

remove the battery cover.

Battery

3. Replace the batteries. Screw the

Cover

battery cover back on.

4. Slide cover back into place.

Screws

ENROLL

SEND

ENROLL

PASS

FAIL

READY

RETRY

Replacement parts:
Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41A6481

NOTICE: To comply with FCC and or Industry Canada (IC) rules, adjustment or modifications of
this receiver and/or transmitter are prohibited, except for changing the code setting or replacing
the battery. THERE ARE NO OTHER USER SERVICEABLE PARTS.
Tested to Comply with FCC Standards FOR HOME OR OFFICE USE. Operation is subject to the
following two conditions: (1) this device may not cause harmful interference, and (2) this device
must accept any interference received, including interference that may cause undesired operation.

FOR SERVICE DIAL OUR TOLL FREE NUMBER:

1-800-528-9131

© 2007, The Chamberlain Group, Inc.

114A3408

All Rights Reserved

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