4-4 Troubleshooting Procedures: Power-Up Self-Check Errors
4.4 Power-Up Self-Check Errors
Each time the radio is turned on, the MCU and DSP perform a series of internal diagnostics. These
diagnostics consist of checking such programmable devices as the FLASH ROMs, the EEPROM,
and SRAM devices.
Problems detected during the power-up self-check routines are presented as error codes on the
radio’s display. For non-display radios, the problem is presented at power up by a single, low-
frequency tone. Table 4-4 lists possible error codes, a description of each error code, and a
recommended corrective action.
Table 4-4. Power-Up Self-Check Error Codes
Error Code/ Error
Message
Description Corrective Action
01/02 FLASH ROM Codeplug Checksum Non-Fatal Error Reprogram the codeplug
01/12 Security Partition Checksum Non-Fatal Error Send radio to depot
01/20 ABACUS Tune Failure Non-Fatal Error Turn the radio off, then on
01/22 Tuning Codeplug Checksum Non-Fatal Error Send radio to depot
01/81 Host ROM Checksum Fatal Error Send radio to depot
01/82 FLASH ROM Codeplug Checksum Fatal Error Reprogram the codeplug
01/88 External RAM Fatal Error – Note: Not a checksum failure Send radio to depot
01/90 General Hardware Failure Fatal Error Turn the radio off, then on
01/92 Security Partition Checksum Fatal Error Send radio to depot
01/93 FLASHport Authentication Code Failure Send radio to depot
01/98 Internal RAM Fail Fatal Error Send radio to depot
01/A2 Tuning Codeplug Checksum Fatal Error Send radio to depot
02/81 DSP ROM Checksum Fatal Error Send radio to depot
02/88 DSP RAM Fatal Error – Note: Not a checksum failure Turn the radio off, then on
02/90 General DSP Hardware Failure (DSP startup message not
received correctly)
Turn the radio off, then on
Hardware board absent/
Hardware board absent
then
Man-Down Hw error
Keypad board is not connected properly to the radio Ensure the Keypad board
is fixed in place
15/10 External Accessory Non-Fatal Error
External Accessory is not present on power up or did not
power up correctly, and external accessory feature is
enabled in codeplug.
Verify external accessory
is connected and powers
up. Turn the radio off,
then on.
15/90 External Accessory Fatal Error
External Accessory is not present on power up or did not
power up correctly, and external accessory feature is
enabled in codeplug.
Verify external accessory
is connected and powers
up. Turn the radio off,
then on.
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