Olympus UHI-2 Manuel d'entretien - Page 18
Parcourez en ligne ou téléchargez le pdf Manuel d'entretien pour {nom_de_la_catégorie} Olympus UHI-2. Olympus UHI-2 38 pages.
![Olympus UHI-2 Manuel d'entretien](/uploads/products/server2/4289466/4289466.jpg)
1-5 Gas is not fed. (Electric-pneumatic ratio valve and solenoid valve check)
Electric-pneumatic ratio
valve and solenoid valve
check
Set the check mode 1.
Press the flow rate UP switch.
Is gas supplied?
End
1. Start up while pressing the flow rate UP switch.
2. Select the gas feed mode "Low".
3. Press the reset switch and set the pressure
reducing value to 80.
Does the LED (DS1
and DS2) on the
UPUH15 light?
Disconnect the tube
from the manifold
inlet.
Press the flow rate
UP switch.
Is gas supplied?
Measure the voltage at TP20.
Defective solenoid valve
Replace the manifold U.
Defective UPUH15U
Replace the UPUH15U.
2-6
TROUBLESHOOTING
Defective UPUH15U
Replace the UPUH15U.
0 V?
Defective electric-
pneumatic ratio valve
Replace the electric-
pneumatic ratio valve.