Technical data

Product Specification
HIF-2121/R5 CAGE CODE: 97896 SCALE: NONE SIZE: A DWG NO: 965-1176-601 REV: D SHEET 121
6.10.6.2 Level 2 Self-Test - Current Faults
Level 2 self-test provides enunciation of all faults existing at the time of the request. Level 2 self-test is initiated by pressing
the cockpit self-test button within 3 seconds of the end of level 1 self-test. The results are described in Figure 6.10.6-4.
During level 2 self-test, a Short Cancel or Long Cancel terminates the self-test level and “PRESS TO CONTINUE” is
annunciated for proceeding to level 3 self-test.
START
LEVEL 3
START
LEVEL 2
LONG OR
SHORT
CANCEL
LEVEL 2
COMPLETE
No
ANNUNCIATE
"PRESS TO
CONT"
Yes
No
SWITCH
PRESSED
WITHIN
3 SEC
No
ANNUNCIATE
"SYSTEM
CONFIGURATION"
Yes
STOP SELF TEST
FIGURE 6.10.6-4: LEVEL 2 SELF-TEST
Note: “NO FAULTS” is annunciated at end of test if no faults present. Otherwise, the following will be annunciated
1) GPWS Computer OK or GPWS Computer Fault
2) Any Internal Faults
3) Any External Faults
4) Any System Status Messages