Chapter 7
POWER UP SELF-TEST
1.0 Error Codes
Turning on the radio starts a self-test routine that checks the radio functionality. If the checks are
successful, the radio generates a high-pitched self-test pass tone. If the self-test is not successful,
one low-pitched (300Hz) error tone is heard and the RED LED flashes several times to indicate the
reason for the failure (see Table 7-1 below). After flashing the error code, the LED remains off for 5
seconds and then repeats the error code. The LED sequence and the error tone continue until the
radio is switched off. Radios with displays are also able to display error codes. The meaning of the
LED indication, the displayed error codes and the related corrections are listed in Table 7-1.
Table 7-1 Power-up Error Codes
If the error code
displayed is…
The LED
flashes...
then, there is a... To correct the problem...
“Test 1 Failed” Once Hardware codeplug error,
possibly codeplug structure
mismatch or non-existant
codeplug.
Reprogram codeplug. If message
re-occurs, replace main board or
return it to the nearest Motorola
depot.
“Test 2 Failed” Twice Select 5 Application Vector
corrupted.
Reprogram codeplug and retest the
radio.
“Test 3 Failed” Three times Codeplug Checksum error. Reprogram codeplug and retest the
radio.
“Test 4 Failed” Four times Codeplug Version Error. Reprogram codeplug using the
correct version and retest the radio.
“Test 5 Failed” Five times ROM Checksum test failure. Turn radio off then on again. If the
message re-occurs replace the main
board or return it to the nearest
Motorola depot.
“Test 6 Failed” Six times RAM Checksum test failure. Turn the radio off then on again. If the
message re-occurs replace the main
board or return it to the nearest
Motorola depot.
“Test 7 Failed” --- --- Reserved
“Test 8 Failed” Eight times Radio Model Number failure. Reprogram codeplug for correct
model.
No Display. Display module is not
connected.
Display module faulty.
Check connection between main
board and the display module
Replace display module.
300Hz Tone and
Flashing LED.
(Radio with no
display).
Radio failure or invalid
codeplug as described
above.
Turn the radio off then on again.
Confirm that there is a 300Hz fail
tone and count the number of flashes
made by the LED. Make the relevant
correction as described above
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