3 Incorrect temperature output 1. Control cables broken or binding. 2. Control cables not connected properly. 3. Air ducts clogged. 4. Heater matrix leaking or choked. 5. Heater hoses leaking or choked. 6. Kinematics jammed. 1. Check cables. Connect cables 2. properly. 3. Repair air ducts. 4. Replace heater matrix. 5. Replace hoses. Repair/Replace 6. kinematics. 4 Cold air comes out only intermittently 1. Magnetic clutch slipping. 2. AC relay faulty. 3. Expansion valve faulty. 4. Wiring connection faulty. 5. Excessive moisture in the system. 6. Faulty thermistor cut-in and/or cut-off setting. 1. Check magnetic clutch. 2. Replace faulty relay. 3. Check expansion valve. 4. Repair as necessary. 5. Evacuate and charge AC system. 6. Replace thermistor. HVAC W/O ETC 19
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