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MANUAL CONTROL HVAC SYSTEM 7C-7 SSANGYONG Y200 ABNORMAL REFRIGERANT PRESSURE 1. Verify whether airflow and excessive refrigerant. 2. Check any restriction at the condenser or radiator. 4. Check any restriction of the refrigerant lines. Is the high-side refrigerant pressure high abnormally? specified value. 2. Clean the condenser or radiator core. 4. Repair or replace the appropriate parts as needed. Is the high-side pressure within the specified value? 2. Check the internal faulty of the compressor. 4. Check the moisture mix into the system. Is the high-side refrigerant pressure low abnormally? 2. Recover, evacuate and recharge the A/C system according to the specified value. 3. Repair any leaks as needed. Is the repair complete? 1. Check the freezing/clogging of the expansion valve. 3. Check the amount of the refrigerant. 1. Clean the expansion valve and replace it as needed. 2. Replace the receiver-drier as needed. 1. Check the expansion valve and the compressor for any faulty. Is the low-side refrigerant pressure high abnormally? 1. Replace the expansion valve and the compressor as needed. Is the repair complete? bolts. 2. Check the faulty O-ring. 3. Check the faulty gasket or seal of the compressor. 1. Tighten the bolts. 3. Replace the faulty compressor. Is the repair complete? Step Action 1 2 3 4 5 6 7 8 9 10 Yes Go to Step 2 System OK Go to Step 4 System OK Go to Step 6 System OK Go to Step 8 System OK Go to Step 10 System OK No Go to Step 3 - Go to Step 5 - Go to Step 7 - Go to Step 9 - System OK - |