Fomotech Alpha 600XJ Series, Operations & Parts Manual

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LED Indication Reason Solution
Power LED display
ON Normal-voltage
OFF Under-voltage
SQ LED display
ON
Transmitted signals detected
and received
OFF No transmitting signal detected
BLINK
1.Transmitter standby Turn on the transmitter
2.Interference Turn off the transmitter
Relay LED display
ON Normal operation
OFF Receiver defective Repair decoder board