TM 5-6675-318-14
Table 4-22. TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
7.
ERROR O, EXPECTED DATA WAS NOT RECEIVED FROM COMMUNICATION LINK.
NOTE
Occasional display of this code is normal, such as when control site
is conducting self-test or is not using modem.
Notify control site to check equipment condition.
8. ERROR P, EXTERNAL POWER FAILURE HAS OCCURRED.
Replace or recharge external battery or repair or replace external
power supply.
9.
ERROR T, FAULTY ANTENNA CABLE OR ANTENNA/PREAMPLIFIER.
Inspect antenna cables for physical damage.
(a) Replace damaged antenna cable.
( b ) I f t r o u b l e s t i l l e x i s t s , r e f e r t o d i r e c t / g e n e r a l s u p p o rt
maintenance.
10. ERROR X, SATELLITE ALERT DATA ON TAPE IS TOO OLD (OVER 90 DAYS) TO PREDICT
ACCURATE SATELLITE PASS TIMES.
(a) Use newer satellite data (less than 90 days old).
( b ) I f a n u p d a t e d t a p e i s u n a v a i l a b l e , i n i t i a l i z e u n i t a n d a l l ow
i t t o t r a c k a l l a v a i l a b l e s a t e l l i t e s u n t i l e n o u g h d a t a i s
gatnered.
10.1 ERROR S, SATELLITE ALERT DATA FROM TAPE IS INSUFFICIENT.
Check that Code 18 and Code 19 are in agreement and that the Code 19 value is
v a l i d .
(a) If not in agreement and Code 19 value is valid, use a tape
with new data or more passes recorded.
(b) If Code 19 value is not valid, enter a valid number .
Change 3
4-187