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Motorola APX 7000 Basic Service Manual: Operational Error Codes; Receiver Troubleshooting

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Sec 1: 9-2
General DSP Hardware Failure (DSP startup message not
received correctly)
Secure Hardware Error
Secure Hardware Fatal Error
Note: If the corrective action does not fix the failure, send the radio to the depot.

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

Receiver Troubleshooting

Table 9-3
lists the possible causes of, and corrections for, receiver problems.
Radio Dead; Display Does Not
Turn On
Radio Dead; Display
Turns On
Table 9-1. Power-Up Error Code Displays (Continued)
Table 9-2
to aid in understanding particular operational error codes.
Table 9-2. Operational Error Code Displays
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
1. VOCON Board
2. RF Board
3. Expander Board
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
Send radio to depot




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