Download Micom 3T Operating instructions

Maintenance
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
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.
LORD board problem
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
125