Transmitter front display does not light up – Primex Support

Model: XR Series Transmitter with Internal or External Antenna

Symptoms

All or some of the below symptoms may be present.

Transmitter front display does not light up or has light black boxes across it.
Red LED is flashing on the Transmitter front display.
No information is displayed on the Transmitter front display.
Clocks may be displaying a visual signal loss indicator due to they have not received a time update for three days; Analog Clock second hand is stepping and a Digital Clock/Timer colon is flashing.

Problem

This may be due to a power issue or communication between the EPROM chip and the front display screen.

Analyze

Using a multimeter, check for 9V at least 2.0A output from the power supply to the Transmitter.
Verify the power coming to the Transmitter power supply is 120 volts.
If the power to the Transmitter is not correct, complete steps in Transmitter continues to power cycle and does not stay synced

Solution

Correct all 120 volt issues.
If power output is not correct, replace the power supply.
From the Transmitter front display, verify the correct time, day, date and channel number is displayed.
If these steps do not resolve the problem, the Transmitter may be required to be replaced.