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Table 4-1. Troubleshooting - continued - TM-5-4120-339-140079
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TM-5-4120-339-14 Air Conditioner Vertical Compact 9 000 BTU/HR 208 Volts 3-Phase 50/60 HZ Tierany Model TM9KV-208-3-60 Manual
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Table 4-1. Troubleshooting - continued - TM-5-4120-339-140081
TM 5-4120-339-14
Table 4-1. Troubleshooting (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
SIGHT GLASS APPEARS YELLOW INSTEAD OF GREEN (continued)
Step 2.
Check for yellow in sight glass after system has been purged.
If the sight glass still shows yellow, remove compressor (figure 4-18) and dehydrator
(figure 4-16), flush and purge system (paragraph 4-22), replace dehydrator
(figure 4-16) and compressor (figure 4-18), evacuate system (figure 4-4) and
recharge the system with refrigerant (paragraph 4-10].
9.
AIR CONDITIONER WILL NOT START IN ANY MODE
Step 1.
Check electrical power source.
Repair electrical power source.
Step 2.
Inspect for burned out fuse(s) (paragraph 3-12h and figure 3-18).
Replace burned out fuse(s).
Step 3.
Inspect and test circuit breaker (paragraph 3-12m).
Replace damaged or defective circuit breaker.
Step 4.
Inspect and test selector switch (paragraph 3-12b).
Replace damaged or defective selector switch.
Step 5.
Continuity check internal power circuit (figure 3-8).
Repair or replace defective wiring.
10.
FANS DO NOT OPERATE
Step 1.
Inspect and test fan motor (paragraph 3-10c).
Repair or replace damaged or defective fan motor.
Step 2.
Inspect and test fan relays (paragraph 3-12g).
Replace damaged or defective fan relay(s).
Step 3.
Inspect and test fan speed switch (paragraph 3-12c).
Replace damaged or defective fan speed switch.
4-6

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