December 6, 2004 68P81083C20-D
4-4 Test Mode and Error Codes: Error Code Displays
Error Code Displays
Power-up Display Codes
At power-up, the radio performs cursory tests to determine if its basic electronics and software are in
working order. Problems detected during these tests are presented as error codes on the radio
display. The presence of an error code should prompt the user that a problem exists and that a
service technician should be contacted.
Self-test errors are classified as either fatal or non-fatal. Fatal errors will inhibit user operation, while
non-fatal errors will not. Use Table 4-1 to aid in understanding particular power-up error code
displays.
NOTE: Due to the nature of fatal ROM & RAM errors, it may not be possible to present an error code
on the display. In these cases the radio will attempt to display the appropriate error code,
generate an illegal mode tone for one second and then reset its microcontroller.
FAILURE
DISPLAY
TYPE OF
FAILURE
DESCRIPTION POSSIBLE SOURCE
FAIL 01/81 FATAL External ROM/Flash checksum
error
Bad ROM data, Defective ROM
FAIL 01/82 FATAL External EEPROM checksum error Bad external codeplug data,
Defective external EEPROM
ERROR 01/02 NON-FATAL External EEPROM checksum error Bad external codeplug data
FAIL 01/84 FATAL External EEPROM checksum blank Unprogrammed external codeplug data
FAIL 01/88 FATAL External RAM error Defective RAM
FAIL 01/90 FATAL Hardware failure Device communication error
FAIL 01/92 FATAL Internal EEPROM checksum error Bad internal codeplug data,
Defective microcontroller
FAIL 01/93 NON-FATAL Internal EEPROM checksum blank Failure of Flashport authorization code
FAIL 01/94 FATAL Internal EEPROM checksum blank Unprogrammed internal codeplug data
FAIL 01/98 FATAL Internal RAM error Defective microcontroller
ERROR 01/12 NON-FATAL Internal EEPROM checksum error Bad internal codeplug data
ERROR 09/10 FATAL Hardware failure Defective secure board, Missing secure
board
Table 4-1. Power Up Display Codes
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