Remote Transmitter Battery Check
Remove battery from remote transmitter. Use DVOM to measure battery voltage. If 2.5 volts or more is not present, replace battery. Reinstall battery and connect DVOM to read battery voltage. See Fig 1. Depress any button on remote transmitter for one-second and repeat 3 times to load battery. Depress any button a fourth time and measure battery voltage. If 2.1 volts or more is not present after one-second, replace battery.