Instruction Manual

Flex 2JB Standard, AB and Tandem Instruction Manual (FCC/CE)
July 20 2022
Page 13 of 14
4.2. Changing Batteries
Changing transmitter batteries (“AA” alkaline battery x 4) by unscrewing the battery cover
located on the backside of the transmitter. During battery installation make sure the batteries
are installed correctly, with “+” to “+” charge and “–” to “–” charge. Also make sure the screw
is tightened after battery installation to avoid water, moisture, dirt, grease, and other liquid
penetration.
4.3. Status Light Indications
4.3.1. Transmitter Status Indications
Type Display Type Indication
1 Constant red
Voltage below 1.8V at initial power on or
during operation
Voltage below 1.75V during operation
(receiver MAIN relays shut off)
2
1 red blink followed by a
2-second pause
Voltage below 1.85V during operation
(change batteries suggested)
3A
2 red blinks followed by a
2-second pause
Defective or jammed pushbutton detected
at initial power on