Page 244 - Foton Workshop Manual - Auman EST-M

DI - 190 Diagnosis - Diagnosis-fault diagnosis of electronic and electrical parts

Basic inspection
Inspection time
Inspection item Content and object 6 months or driving 12 months or initial
Daily
for 5000km driving 10000km

Not fixed, with gap ● ●
Piping Connection and nut
● ●
loos
Loose, seam, peeling
Bolt type ● ●
off
Loose, curved ● ●
Deterioration: wear,
● ●
Belt scars, cracking
Glide, burned smell
●
and heat
Cooling fin damaged ●
Condenser Blocked by foreign
● ● ●
matter
Start check: air supply
and temperature ● ●
AC switch and
control
temperature control
Switch of blowing

outlet
Leakage from piping
● ●
connections
Leakage from
Refrigerant leaks components
(including oil leakage) (compressors,
●
condensers,
evaporators, receiver
driers, etc.)
Compressor ●
Idle pulley ●
Noise (startup status)
Air supply motor ●
Expansion valve ●
The temperature
Large temperature
difference between the
difference: clogging in ●
inlet and outlet of the
receiver drier
receiver drier
External air inlet
●
(blower)
Air leaks
Heat invasion from the
●
heater

DI-190