TM 11-6625-3041-12/TO 33A1-8-908-1
3-11. TROUBLESHOOTING PROCEDURE (cont)
This step checks the following:
Control Filter . . . . ERRORS display (set OS function)
Transmit 2 card . . . Error Counter (set 0s function)
Receive 2 card . . . . BER Control (Error Counter set 0s)
If ERRORS display digits do not all change to zero:
.
Remove LOGIC access cover (refer to para 3-16) and note which
card contains a lit fault indicator. Replace that card and
repeat step 13.
If no card contains a lit fault indicator, possible cause is
(in order of probability): Receive 2 card A6 or Transmit 2
card A4. Replace, one at a time (refer to para 3-16), and
repeat step 13.
If replacement card does not provide proper indication, refer
SG-1139 to Direct Support Maintenance.
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