Diagnostic Chart - Chamberlain Whisper Drive Security+ Manual Del Propietário

Bell Wire
Safety Reversing Sensor

Diagnostic Chart

1 FLASH
Safety reversing sensors wire
open (broken or disconnected).
OR
2 FLASHES
Safety reversing sensors
wire shorted or black/white
wire reversed.
3 FLASHES
Door control or wire shorted.
4 FLASHES
Safety reversing sensors
slightly misaligned (dim or
fl ashing LED).
5 FLASHES
Motor RPM is not recognized.
Diagnostics
Located On
Motor Unit
"Learn"
Button
LED or
Diagnostic
LED
"Learn"
Button
Symptom: One or both of the Indicator lights on the safety reversing sensors
do not glow steady.
• Inspect sensor wires for a short (staple in wire), correct wiring polarity
(black/white wires reversed), broken or disconnected wires, replace/attach
as needed.
• Disconnect all wires from back of motor unit.
• Remove sensors from brackets and shorten sensor wires to 1-2 ft (30-60 cm)
from back each of sensor.
• Reattach sending eye to motor unit using shortened wires. If sending eye
indicator light glows steadily, attach the receiving eye.
• Align sensors, if the indicator lights glow replace the wires for the sensors. If
the sensor indicator lights do not light, replace the safety reversing sensors.
Symptom: LED is not lit on door control.
• Inspect door control/wires for a short (staple in wire), replace as needed.
• Disconnect wires at door control, touch wires together. If motor unit
activates, replace door control.
• If motor unit does not activate, disconnect door control wires from motor
unit. Momentarily short across red and white terminals with jumper wire. If
motor unit activates, replace door control wires.
Symptom: Sending indicator light glows steadily, receiving indicator light is
dim or fl ashing.
• Realign receiving eye sensor, clean lens and secure brackets.
• Verify door track is fi rmly secured to wall and does not move.
Symptom: Door travels 2-3 inches and stops.
• Reprogram limits and forces. See Adjustment section.
• If the motor unit continues to travel 2-3 inches, check the travel module
connection or replace the travel module.
Symptom: No movement, motor runs 2-3 seconds.
• Reconnect the emergency release.
• Motor may need to be replaced.
Installed
Safety Reversing
Sensor
Your garage door opener is programmed with self-
diagnostic capabilities. The "Learn" button/diagnostic LED
will fl ash a number of times then pause signifying it has
found a potential issue. Consult Diagnostic Chart below.
35