Page 1282 - Foton Workshop Manual - Aumark (BJ1099)
P. 1282
41-2 HEATING AND AIR CONDITIONING - HEATING AND AIR CONDITIONING
TABLE OF MALFUNCTION SYMPTOMS
The table below can help you to rapidly find out the required malfunction information.
Malfunction Reference
Symptoms Possible Cause
Fuse (damaged) —
Chapter 41 Heating & A/C - A/C compressor,
A/C belt (too loose)
replacement
Refrigerant (inadequate) Chapter 41 Heating & A/C - coolant, onboard checking
Chapter 41 Heating & A/C - A/C compressor,
Compressor (defective)
replacement
No cooling Expansion valve (defective) Chapter 41 Heating & A/C - heater, replacement
Condensor (blocked) Chapter 41 Heating & A/C - condensor, replacement
A/C pipe (blocked) Chapter 41 Heating & A/C - A/C pipe, replacement
Operating mechanism assembly Chapter 41 Heating & A/C - operating mechanism
(defective) assembly, replacement
Inadequate pressure in cooling Chapter 41 Heating & A/C system - coolant, checking
system
Compressor belt (slippery, Chapter 41 Heating & A/C - A/C compressor,
aging) replacement
Chapter 41 Heating & A/C - A/C compressor,
Abnormal noise Component parts (loose) replacement
in HVAC system
Chapter 41 Heating & A/C - A/C compressor,
Compressor bearing (broken)
replacement
Blower (defective) Chapter 41 Heating & A/C - blower, replacement
Blower (broken) Chapter 41 Heating & A/C - blower, replacement
Blower relay (broken) Chapter 41 Heating & A/C - blower, replacement
No or insufficient
heating Heating ventilation pipe Chapter 41 Heating & A/C - dashboard ventilation
(disconnected) pipe, replacement
Coolant (insufficient or blocked) Chapter 41 Heating & A/C - evaporator, replacement
Heating fin (distorted) Chapter 41 Heating & A/C - heater, replacement
No or insufficient
heating Heating pipe (blocked) Chapter 41 Heating & A/C - heating water pipe,
replacement
Page 1282
