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Table 4-1. TROUBLESHOOTING - 506780085
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TM-5-4120-359-14 Air Conditioner Split Package 18 000 BTU/HR Cooling 30 000 BTU/HR Heating 208 Volt 3 Phase 400 Hertz Manual
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Table 4-1. TROUBLESHOOTING (cont.) - 506780087
TM 5-4120-359-14
Table 4-1. TROUBLESHOOTING (cont.)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
(c) If resistance is less than two ohms, go to step 7.
(d) If resistance is two ohms or more, measure resistance at motor connector P6, pins E and F.
(e) If resistance is less than two ohms, use wiring diagram figure 4-3 to locate defective remote cable
or wiring.
Repair or replace defective remote cable or wiring.
(f) If resistance is two ohms or more.
Replace evaporator blower motor.
Step 7.
Check mode selector switch (See paragraph 4-103.)
Replace if defective
Step 8.
Check power input to condenser.
(a) Remove power.
(b) Remove electrical module from condenser section.
4-4

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