OPTIMedical OPTI CCA-TS - Checking the Gas Valve; Checking the Valve Drive

Operator’s Manual – OPTI CCA-TS 7-17
7 DIAGNOSTICS AND TROUBLESHOOTING
7.2.9 Checking the Valve Drive
Fig. 7-10 Valve Drive
7.2.8 Checking the Gas Valve
The purpose of this test is to check for proper
function of the gas valve.
From the <Ready> display, press <System
Manager> and <Diagnostics>.
• Select the <Control> tab.
• Press the <Open/Closed> button under
<Gas Valve> to start the test (Fig. 7-9).
• A faint hissing sound may be heard with the
pump cartridge removed and the gas valve open.
• Press
to return to the <System>
screen.
Fig. 7-9 Gas Valve
This diagnostic checks the proper operation of the
cassette valve drive mechanism.
From the <Ready> display, press <System
Manager> and <Diagnostics>.
• Select the <Control> tab.
• Press
to start the test (Fig. 7-10).
• Enter the various positions (allowed positions
are 1 - 6) and verify the valve drive moves
smoothly and precisely.
• Press to return to the <System>
screen.