Ecotechnics ECK 3900 UP - Page 67

INSTRUCTIONS MANUAL
-67-
Turn of the A/C system and vehicle’s engine then press OK:
Unscrew LP coupling without disconnect it, and press OK:
A pop-up message is displayed asking confirmation, press YES to continue:
The machine will recover the residual refrigerant into the service hoses, then the following
screen will be displayed:
The machine will check if the Schrader valve of the coupling are tightened, then the following
screen will be displayed:
R134a DEVICES
DYNAMIC DIAGNOSIS
Turn of the A/C system
and vehicle’s engine
then press OK
R134a DEVICES
DYNAMIC DIAGNOSIS
Unscrew LP coupling without disconnect it
And press OK
Are you sure that you have unscrewed
coupling or couplings without removing them?
R134a DEVICES
DYNAMIC DIAGNOSIS
YES
NO
R134a DEVICES
EMPTYING HOSES
Recovered gas
Hoses pressure
R134a DEVICES
EMPTYING HOSES
Check leaks of schrader valve
HP + LP
Please wait…