Page 2250 - Foton Workshop Manual - Aumark (BJ1099)

62-198 DIAGNOSIS-HEATER & AIR CONDITIONING

BASIC INSPECTION

Procedures Inspection contents Action

Check battery voltage Yes Go to step 2
1 • The battery voltage is24V.
Is the result normal? No Charge or replace the battery

Check if there is any refrigerant Yes Go to step 3
• Unscrew maintenance valve
protection cover of air conditioning
2
refrigeration system, press and No Add the refrigerant
hold valve element.
Is the result normal?
Check A/C switch Yes Go to step 4
• Start the air conditioning
3 • Visually check if the air
conditioning work lamp lights up. No Go to Fault Symptom Table
Is the result normal?

Check magnet clutch Yes Go to step 5
• Check if the electromagnetic
4
clutch works normally No Go to Fault Symptom Table
Is the result normal?

Check driving belt Yes Go to step 6
5 • Check if the driving belt slips.
Is the result normal? No Go to Fault Symptom Table
Check compressor Yes Go to step 7
• Check if the compressor has
6 any abnormal sound when it is
working. No Go to Fault Symptom Table
Is the result normal?

Check condenser Yes Go to step 8
• Check if there is any debris
between condenser and radiator.
7 • Check if the condenser fan works
normally. No Clear debris replace condenser fan
Check if the condenser works
normally?

Check refrigerant dose Yes Go to step 9
• Observe the refrigerant dose in
8
the system through peep hole. No Go to Fault Symptom Table
Is the result normal?

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