Operational Error Codes; Receiver Troubleshooting; Table 9-2. Operational Error Code Displays; Table 9-3. Receiver Troubleshooting Chart - Motorola APX 3000 Basic Service Manual

9-2
Error
Code
02/90 General DSP Hardware Failure (DSP startup message not
received correctly)
09/10 Secure Hardware Error
09/90 Secure Hardware Fatal Error
Note: If the corrective action does not fix the failure, send the radio to the depot.
9.2

Operational Error Codes

During radio operation, the radio performs dynamic tests to determine if the radio is working properly.
Problems detected during these tests are presented as error codes on the radio's display. The
presence of an error code should prompt a user that a problem exists and that a service technician
should be contacted. Use
Error Code
FAIL 001
FAIL 002
9.3

Receiver Troubleshooting

Table 9-3 lists the possible causes of, and corrections for, receiver problems.
Symptom
Radio Dead
No Receive Audio, or Receiver
Does Not Unmute
Table 9-1. Power-Up Error Code Displays (Continued)
Description
Table 9-2 to aid in understanding particular operational error codes.

Table 9-2. Operational Error Code Displays

Description
Synthesizer Out-of-Lock
Selected Mode/Zone Codeplug
Checksum Error

Table 9-3. Receiver Troubleshooting Chart

Possible Cause
1. Dead Battery
2. Blown Fuse
3. On/Off Switch
4. Regulators
Programming
Basic Troubleshooting: Operational Error Codes
Corrective Action
Turn the radio off, then on
Turn the radio off, then on
Turn the radio off, then on
Corrective Action
1. Reprogram external codeplug
2. Send radio to depot
Reprogram external codeplug
Correction or Test
(Measurements at Room Temperature)
Replace with charged battery
Send radio to depot
1. Check if transmitted signal matches the
receiver configuration (PL, DPL, etc.)
2. Check if radio able to unmute with monitor
function enabled