Table 3-1. Troubleshooting (cont.)
TEST OR INSPECTION
9. PURGE SYSTEM CONTINUOUSLY REPEATS PURGE CYCLE.
Do not enter laboratory for at least 10 minutes after door is opened to allow any gas accumulation
to be vented to the atmosphere. Failure to comply with this warning could result in death or
Step 1. Carefully open rear laboratory door.
Step 2. Enter laboratory and attempt to reset the gas alarm system.
If alarm system will not reset, place generator output switch OFF and call unit maintenance.
10. AIR COMPRESSOR MOTOR FAILS TO RUN.
Check and reset circuit breaker No. 20 located in Main Power Panel.
If motor still fails to run, notify unit maintenance.
11. AIR COMPRESSOR CONTINUALLY CYCLES ON AND OFF.
Step 1. Check system valves for partially open valves.
Close all system valves.
Step 2. Check operation of air system pressure switch.
a. Adjust pressure switch (refer to appropriate TM listed in Appendix A).
b. If pressure switch will not adjust properly, notify unit maintenance.
Step 3. Check system piping for leaks.
If leaks are found, notify unit maintenance.
12. VACUUM PUMP FAILS TO RUN.
Check and reset circuit breaker No. 11 located in the Main Power Panel.
If vacuum pump still fails to run, notify unit maintenance.