TIM 5-6675-318-14
NOTE
Most troubleshooting in MX 1502 can be performed by processor using
s e l f - t e s t f e a t u r e .
Self-test is automatically performed every 24 hours.
If faults are detected during self-test, audible alarm is sounded (unless
suppressed by code 38) and error code is displayed to inform user of most
probable cause.
L i s t - o f e r r o r c o d es
S e l f - t e s t ( c o d e 1 6 ) i s a u t o m a t i c a l ly
after 1700 GMT and when sufficient t
Self-test may be entered manually at
a c c e p t p a s s d a t a w h i l e s e l f - t e s t is
employed after code 50 has indicated
f a u l t u n t i l u n i t p a s s e s s e l f - t e s t.
i s c o n t a i n e d i n s e l f - t e s t d e s c r i p t i o n.
performed when MX 1502 is powered up
ime exists before next satellite pass.
any time; however, MX 1502 does not
in progress.
S e l f - t e s t i s t y p i c a l ly
f a u l t .
Code 50 continues to indicate
During self-test, TEST is displayed along with receiver status codes and
error codes if errors are detected.
M u l t i p l e e r r o r s a r e i n d i c a t e d by
d i s p l a y i n g a d d i t i o n a l e r r o r c o d e s t o r i g h t o f p o s i t i o n 2.
Upon completion of self-test, TEST is removed from display unit but any
faults detected remain until corrected and successful self-test is com-
p l e t e d.
Error codes are also recorded on tape cassette if installed in unit.
( 1 ) I n s t a l l a b l a nk
at BOT using code 41.
( 2 ) P r e s s c l e a r ( C )
tape in the cassette transport and position tape
key.
(3) When CODE is displayed, key in 16, verify CODE 16 is on display and
press enter (E) key.
Test will run for approximately 4.5 minutes.
4-46
Change 2
