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D) Remove the PH probe for that tank, and clean the sensor eye. This is <br /> the round glass piece at the very end of the sensor. <br /> E) Reinstall the PH Probe back into the tank. <br /> F) If this does not solve the issue, contact Maintenance, the probe should <br /> be replaced. <br /> 2) False Readings on PIS Controllers <br /> A) One PH controller reading much differently that all the others usually <br /> identifies false readings. <br /> B) Determine which controller is reading differently <br /> C) Locate the associated Caustic or Acid metering pumps for that <br /> particular Tank that the PIS meter is monitoring. <br /> D) Unplug the power cord to both the caustic and acid metering pumps <br /> that are for that particular tank <br /> E) Remove the PIS probe for that tank,and clean the sensor eye. This is <br /> the round glass piece at the very end of the sensor. <br /> F) Reinstall the PH Probe back into the tank. <br /> G) If this does not solve the issue, contact Maintenance, the probe should <br /> be replaced. <br /> 3) High Water Alarm <br /> A) A yellow flashing light, and a loud buzzer located in the Etch Area <br /> indicates a high water alarm, <br /> B) Stop all water flows to the Etch Line Rinse Tanks <br /> C) Walk to the Pump Control panel and press the yellow(SilencelAck) <br /> button to silence the alarm. <br /> D) Locate a flashlight, and loop into the tanks T1 and T2 to see if they are <br /> indeed high. <br /> E) If tanks are high notify Maintenance. <br /> F) If tanks are not to high resume water flows <br /> 4) Overflow of Tanks ` 1 and T2 <br /> A) Stop all flows to Etch Line Rinse Tanks, and inform screening to stop <br /> all rinsing. <br /> B) Turn all pump switches located on the pump control panel to the off <br /> position. <br /> C) Notify Maintenance <br /> S) Spillage or Overflow into Secondary Containment area. <br /> A) Stop all vows to Etch Line Rinse Tanks,and inform screening to stop <br /> all rinsing. <br /> B) Turn all ptunp switches located on the pump control panel to the off <br /> position. <br /> C) Notify Maintenance <br /> L <br /> RK0611 <br />