Maintenance
125
Using BIT
Every time the radio is turned on, a self-test procedure is performed. If an internal malfunction is
found, an error message will be displayed. Please contact your service representative and report the
malfunction or error indicated by the BIT function. Table 7 lists the error messages that may be
generated by the BIT function.
Table 7. Error Messages
Error Code Meaning Probable Cause
00 O.K. – no errors
01 DSP boot checksum fail (during
download)
LORD board problem
02 DSP PLL unlock LORD board problem
03 DSP external RAM memory LORD board problem
04 Not applicable
05 DSP internal RAM memory LORD board problem
06 Not applicable
07 Not applicable
08 HC16 flash memory checksum LORD board problem
09 HC16 RAM memory LORD board problem
10 No 16.8 MHz clock Check for good power cable connection.
Possible LORD board problem
11 Battery low Weak internal battery: replace battery to correct problem
12 Control head wake-up Control head problems
13 Control head is not responding Control head problems
14 Radio not programmed Problem experienced during programming. Program
radio (connect MRC or RSS at 1200 bps)
15 Database fail ALE scanned channels do not match the programmed
channels by means of the MRC or RSS
16 VCO 1 first injection LORD board problem
17 VCO 2 first injection LORD board problem
18 VCO 3 first injection LORD board problem
19 VCO second injection LORD board problem
20 Synthesizer unlock LORD board problem
21 Receiver failure LORD board problem
22 Preselector range 1 LORD board problem
23 Preselector range 2 LORD board problem
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