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Download TECHNICAL DATA & SERVICE MANUAL SPLIT
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B. Circuit breaker trips in several minutes after turning the air conditioner on. ● There is a possibility of short circuit. • Check capacity of circuit breaker. Replace with suitable one (larger capacity). NO Capacity of circuit breaker is suitable. In case of Heating operation : • Measure resistance of 4-way valve's winding. • Measure resistance of outdoor fan motor winding. • Measure resistance of compressor motor winding. 6-2-2. Neither indoor nor outdoor unit runs. A. Power is not supplied. • Check power supply. Circuit breaker is tripped. Reset breaker. Power failure Wait for recovery or contact power company. NO Power is being supplied to the indoor unit. B. Check "OPERATION selector" switch in the indoor unit. • OPERATION selector switch is set in ON position. YES Indoor PCB Ass'y is defective. NO Set OPERATION selector switch to ON. 24
