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TM5-4120-387-14
TABLE 3-1. TROUBLESHOOTING (Cont.)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 5.
With unit operating in COOL mode, check condition of refrigerant in
sight glass.
If indicator color is in the yellow zone or numerous bubbles
appear in the window, turn selector switch to OFF and notify
your supervisor and Direct Support Maintenance.
Step 6.
Check to be sure that lower front panel is not loose or missing.
Secure lower front panel.
4.
REDUCED COOLING CAPACITY.
Step 1.
Check that all doors, windows, and other openings in the room or
enclosure are tightly closed.
Tightly close all openings.
3-7
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