Ecotechnics Premium ECK3900, Instruction Manual

Page: 67 / 992

INSTRUCTIONS MANUAL
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IMPORTANT: The printout will list from one to three possible A/C system problems. Always
begin with the first DIAGNOSIS shown and check the DIAGNOSIS in the order they are
presented, making use of the REMEDIES listed under each DIAGNOSIS. Run the A/C system
test again with the station after the first DIAGNOSIS item has been checked and/or repaired, in
order to determine whether this repair is sufficient to solve the system problem. If not, go on to
the next DIAGNOSIS/REMEDY, run the A/C system test
again, and so on.
When diagnosis is completed and if SYSTEM OK is given, and if a recovery and recycling
operation is not run, proceed as explained below to reintegrate the quantity of refrigerant
present in the A/C system hoses:
Turn of the A/C system and the vehicle’s engine then press OK:
Unscrew HP coupling without disconnect from the A/C system, and press OK:
A pop-up message is displayed asking confirmation, press YES to continue:
With LP coupling connected turn on the vehicle’s engine and A/C system and press OK, after
few moments the following screen will be displayed:
R134a DEVICES
DYNAMIC DIAGNOSIS
Turn of the A/C system and
the vehicle’s engine
then press OK
R134a DEVICES
DYNAMIC DIAGNOSIS
Unscrew HP coupling without disconnect
from the A/C system, and
press OK
Are you sure that you have unscrewed
coupling or couplings without removing them?
R134a DEVICES
DYNAMIC DIAGNOSIS
YES
NO
R134a DEVICES
DYNAMIC DIAGNOSYS
With LP coupling connected
turn on the vehicle’s engine
and A/C system
and press OK