Geely EC715 2009, Workshop Manual

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Symptoms Suspected Malfunction Components Repair Procedure
Air-conditioning high
pressure too low, low
pressure too high
1. Lack of compressor oil
2. Compressor damaged
1. Add compressor refrigerant lubricant.
2. Replace the compressor.
Air-conditioning high
pressure too low, low
pressure too low
1. Insufficient refrigerant
2. Refrigerant Leakage
1. Fill refrigerant according to Geely standard.
2. Inspect the air-conditioning systems leakage,
replace the leaking air-conditioning system
components.
Air-conditioning high
pressure too low, low
pressure close to
vacuum
1. Seriously expansion valve blockage
2. Expansion valve blocked by ice
3. Evaporator temperature sensor malfunction
4. Low pressure pipe leakage
1. Replace the expansion valve.
2. Extend the system vacuuming time, fill air-
conditioning refrigerant according to Geely
standard.
3. Replace the reservoir dryer.
4. Replace the evaporator temperature sensor.
5. Clean or replace blocked low pressure pipes.
8.2.7.9 Insufficient Heating
Fault Symptom Table
Symptoms Suspected Malfunction Components Repair Procedure
The engine coolant
temperature does not reach
82°C (180 ºF)
1. Thermostat Malfunction
2. The engine running time is not long
enough.
3. Air entering the cooling system
4. Poor engine working conditions.
1. Extend the engine running time.
2. Bleed the air in the cooling system.
3. Replace the thermostat.
4. Inspect the engine working conditions.
Warm and Cold Air Leakage
1. Throttle body heating and cooling
mechanical malfunction
2. Warm and cold air motor malfunction
3. Air duct leakage
4. Air-conditioning control module
malfunction
1. Adjust the throttle body heating and cooling
mechanism.
2. Replace the heating and cooling regulation motor.
3. Replace the throttle body heating and cooling
mechanism.
4. Repair the leaking air duct.
5. Replace the leaking air duct.
6. Replace the air-conditioning control module.
Heating, Ventilation and A/C System Automatic Air-conditioning 8-37
EC718/EC718RV EC715/EC715RV 10/2009