Fault Elimination
Applies only to 6550U-10x-500
Diagnosis
LED of the Operating
Element (6066-xxx-
500) does not
illuminate:
LED of the 6066-xxx-
500 blinks
continuously:
LED of the 6066-xxx-
500 does not blink in
case of a transmitting
signal:
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Cause/Remedy
–
Eliminate IR extraneous light
source
–
Apply supply voltage
–
Eliminate IR extraneous light
source
–
Check IR signal reception
–
Replace battery of the IR -
hand-held, or wall-mounted,
transmitter
–
IR transmitting range has
been exceeded
ENG
60