LG LMN120HE Service Manual - Page 74
Multi type Air Conditioner, Troubleshooting Guide
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Troubleshooting Guide Error code Title 33 D-Pipe Temp. High Cause of error • Discharge sensor temp. high Check point & Normal condition • Check the discharge pipe sensor. • Check the install condition for over load. • Check the leakage of refrigerent. • Check the SVC V/V open. 115°C(239°F) 100°C(212°F) 95°C(203°F) COMP OFF LEV OPEN(16PULSE/MIN) LEV OPEN(10PULSE/MIN) NORMAL A2UH243FA0/A2UC243FA0 ❑ Check Point 1. Check the install condition for over load. 2. Check the SVC V/V open. 3. Check the leakage of refrigerent. 4. Check the constant compressor. Error code Title 51 Capacitor error Cause of error Check point & Normal condition • Over Capacitor com- • Check the indoor unit capacity. bination • Check the combination table ❑ Check Point 1. Check the indoor unit capacity. 2. Check the combination table. # In the tropical model case ➔ single cycle has no error for over capacity. 74 Multi type Air Conditioner