CENNTRO LOGISTAR 100 - The Pressure of Air Conditioning System Is too Low

Air conditioning control system
247
11.2.2 The pressure of air conditioning system is too low
S/N
Inspection steps
Inspection results
0
Preliminary inspection
Normal
Faulty
Operation method
Check the air conditioning
pipeline for leakage
Proceed
to Step 1
Air conditioning
pipeline leaks
Repair or replace the
faulty pipeline
1
Check the refrigerant
Normal
Faulty
Operation method
Check whether the
refrigerant is insufficient
Proceed
to Step 2
Insufficient
refrigerant
Fill the refrigerant
amount to the
standard value
2
Check the pressure switch
Normal
Faulty
Operation method
Check whether the pressure
switch is damaged
Proceed
to Step 3
Pressure switch
damaged
Replace the pressure
switch
3
Check the expansion valve
Normal
Faulty
Operation method
Check whether the
expansion valve is blocked
or fails
Proceed
to Step 4
The expansion
valve is blocked
or fails
Replace the
expansion valve
4
Check the electric
compressor
Normal
Faulty
Operation method
Check whether the electric
compressor is damaged.
Proceed
to Step 5
Electric
compressor
damaged
Replace the electric
compressor
5
Check the operation
Normal
Faulty
Operation method
After the correct
maintenance operation,
check whether the fault
occurs
Diagnosis
is ended
The fault does
not disappear
Find the cause of the
fault from other
symptoms