Motorola ASTRO DIGITAL XTS 3000 series - Troubleshooting Specific Radio Issues; Transmitter Troubleshooting Guide; Encryption Troubleshooting Guide

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Table 17 Transmitter Troubleshooting Chart
Symptom Possible Cause
Correction or Test
(Measurements Taken at Room
Temperature)
No RF Power Out 1. TX Power Level or Frequency Check TX power level and frequency
programming (from RSS).
2. No PTT From Control Top Send radio to depot.
3. No Injection To Power Amplifier
No Modulation;
Distorted Modulation
1. Programming Check deviation and compensation
settings using the RSS.
2. Controller Board Send radio to depot.
Bad Microphone Sensitivity 1. Check Deviation and Compensation Realign if necessary.
2. Microphone Send radio to depot.
No/Low Signalling
(PL, DPL, MDC)
1. Programming Check Programming
2. Controller Board Send radio to depot.
Can’t Set Compensation RF Board Send radio to depot.
Table 18 Encryption Troubleshooting Chart
Symptom Possible Cause Corrective Action
No “
KEYLOAD
” on Radio Display When Keyloading
Cable is Attached to the Radio Side Connector
1. Defective Keyload Cable Send radio to depot.
2. Defective Radio
Keyloader Displays “
FAIL
.” 1. Wrong Keyloader Make Sure the Keyloader
is a “T----CX” or
“T----DX” Keyloader.
2. Bad Keyloader Try Another Keyloader
3. Defective Radio Send radio to depot.
Note: Keyloaders “T----AX” and “T----BX” must be upgraded to “T----CX” and “T----DX” in order to
keyload an XTS 3000 radio.