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4. ONE OR MORE CONTROL PANEL FAULT INDICATOR LIGHTS ARE ON. | Up
TM-9-4120-381-14 Air Conditioner Vertical Compact 18 000 BTU/HR 208 Volts 3 Phase 50/60 Hz Manual | Next
Section III. OPERATOR MAINTENANCE PROCEDURES |
ARMY TM 9-4120-381-14
NAVY EE-000-CA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-31
Table 3-1. Operator Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5.
EXCESSIVELY NOISY OPERATION.
Step 1. Isolate source of noise as near as possible, both by ear and touch.
Contact Unit Maintenance.
Step 2. Check all external panels and filters for looseness, vibration, and security.
Contact Unit Maintenance.
3-4
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