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Do not switch On power to the console.This must be done by a Authorized Service Contractor during the warranty <br /> checkout and Start-Up Procedure!A Authorized Service Contractor must program the PLLD set-up information into the <br /> M console before beginning these PLLD system checks. <br /> PLLD System Checkout Procedure <br /> Repeat the four steps below for each PLLD monitored line. <br /> 1. VENT THE LINE <br /> a. Turn Off,lock out,tag power to the STP. <br /> b. Vent the line to zero. <br /> c. Reseal the line. <br /> d. Turn On power to the STP. <br /> 2. DETERMINE PLLD TRANSDUCER PRESSURE OFFSET <br /> New transducers are now factory sealed and their internal chamber cannot be equalized to atmospheric pressure by <br /> opening a vent screw as in the past.The Pressure Offset test procedure described in this step must be performed when <br /> using new PLLD transducers with serial numbers of 100,000 or above, in sites located at altitudes above 2,000 feet. <br /> Note: this procedure can also be used with transducers having serial numbers below 100,000 instead of using the vent <br /> screw to equalize pressure. <br /> Before this procedure is performed,the pressure in the line MUST be vented to zero.It is recommended that this <br /> procedure be performed immediately after installing the transducer,before energizing the STP. <br /> Run Pressure Offset Test <br /> Press MODE to display DIAGNOSTIC MODE, then FUNCTION until you see the message: <br /> PRESSURE LINE LEAK DIAG <br /> PRESS<STEP>TO CONTINUE <br /> From the PLLD Diag message,press STEP until you see the display below <br /> Q 1:PLLD NUMBER 1 <br /> P OFFSET TEST<ENTER> <br /> Press ENTER and the results of the last test displays (`No Test Data Available' message appears if this is the first test): <br /> Q 1:PRESS OFFSET TST PSI <br /> NO TEST DATA AVAILABLE <br /> • Press STEP: <br /> Q 1:START P OFFSET TEST <br /> PRESS<ENTER> <br /> 6-1 <br />