TM 5-6675-318-14
Table 4-23. DIAGNOSTIC INDICATOR CODE DESCRIPTION - Cont
D i a g n o s t i c I n d i c a t o r
Displayed
( O c t a l)
Error Code
D e s c r i p t i o n o f F a i l u re
117
120
122
123
124
125
130
131
132
133
134
135
136
137
145
146
147
150
151
152
153
154
155
156
177
B
B
B
B
B
B
B
B
B
N
O
B
B
B
8
8
8
7
7
7
7
V
7
7
- -
Bit error during full modem self -
t e s t .
Frequency error during full modem
s e l f - t e s t .
Missing interrupt from Z-80.
Missing interrupt from LSI chip.
M i s s i n g i n t e r r u p t f r o m t r a n s m it
l o g i c .
Transmission already in progress.
I l l e g a l r e p e a t c o u n t f o r t r a n s -
m i s s i o n.
Majority voting not completed.
T r a n s m i s s i o n b u f f e r f u l l.
Data received from communications
link does not match data
f r o m s a t e l l i t e.
Expected data not received from
communications link .
Incorrect data read from modem
d u r i n g s e l f - t e s t .
Incorrect status read from modem
d u r i n g s e l f - t e s t .
Modem self-test did not terminate
within 2 min.
Cannot lock to test frequency.
More than 1 percent doublet
e r r o r s .
Doppler count error .
Cannot lock to signal.
Doublet error .
S i g n a l l e v e l e r r o r .
Doppler count error.
Too much VCO drift.
M i s s i n g r e c e i v e r i n t e r r u p t.
C l o c k s t u c k.
(No diagnosed failure).
4-194