68P81083C20-D December 6, 2004
Test Mode and Error Codes: Error Code Displays 4-5
Operational Display Codes
During operation, the radio performs dynamic tests to determine if it is working properly. Problems
detected during these tests are presented as error codes on the radio display. The presence of an
error code should prompt a user that a problem exists and that a service technician should be
contacted. Use Table 4-2 to aid in understanding particular operational error code displays.
FAILURE CODE DESCRIPTION POSSIBLE SOURCE
FAIL 001 Synthesizer out of lock Bad frequency data in codeplug; defective synthe-
sizer
FAIL 002 Selected Mode (Zone/Channel) codeplug
checksum error
Bad codeplug data
FL 01/79 or FAIL 01/
79
External Emergency switch has been pressed
while radio is off
Emergency Power Up is not enabled in the code-
plug
Table 4-2. Operational Display Codes
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