TM 10-1670-305-23&P
0013 00-2
TROUBLESHOOTING PROCEDURES
0013 00
GENERAL INFORMATION - CONT
MALFUNCTION/SYMPTOM INDEX, MODEL 453
TROUBLESHOOTING
PROCEDURE
1. Unit fails to operate.
WP 0015
2. Fan fails to spin after repeated attempts.
WP 0015
3. Displays garbled or non-functional.
WP 0015
4. Displays will not reset.
WP 0015
5. Panel indicators, controls or electric interlocks do not
operate as described.
WP 0015
6. Altitude chamber does not gain or hold attitude.
WP 0015
7. Fan on vacuum pump/compressor is spinning but
compressor does not cock AR2 in altitude chamber.
WP 0015
8. Displayed or calculated fall rate deviates from set
value by more than 2 ft/sec.
WP 0015
