62C-13
MANUAL AIR CONDITIONING
Fault finding – Fault Finding Chart62C
V2 MR-372-J84-62C000$040.mif
ALP 3 Air flow fault
NOTESNone.
Is the passenger compartment fan working?
YES
Make sure the air circuit (cabin filter, scuttle panel grille, air ducts etc.) is not blocked.
Ensure that the passenger compartment blower is in good condition.
If necessary, repair, clean or replace the cabin filter.
With the cabin filter removed, put your hand into
the housing to ensure that the evaporator is not
being obstructed and that there is no ice.
Is the evaporator obstructed?
NO
Ensure that the passenger compartment fan unit is properly sealed. Also check that the air distribution ducts
(right and left, upper and lower) are correctly connected to the housing as well as the refrigeration pipe in the
glove box (if the customer complains about a feeling of cold air on the passenger side).
Repair if necessary.
Check that the air recirculation flap does not remain closed when in the recirculation position.
Repair if necessary.
Does the fault disappear when the air
distribution is changed?
NO
Repair, see ALP 5.
Remove the evaporator and clean
if it is blocked.
If there is ice on the evaporator,
perform a conformity check on the
temperature sensors (exterior and
coolant temperatures).
Replace any faulty components.
Ensure that all the air vents
are open.
If the fault is still present, see ALP 2.
NO
YES
YES
AFTER REPAIRCheck that the system is operating correctly.
