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Appendix A: Alarm Codes �- Definition This Vapor Recovery alarm occurs May be caused by leaking hanging Daily Vapor when the vapors being return to hardware, blocked hoses or vapor recovery the UST are blocked. The alarm Fueling Collection or VRM Warning will occur either at the end of lines,jammed flow meter. Run Exhibit 5 Point[n] Weekly Vapor or Alarm the day or the end of the week of VR-202 to verify a blockage. Check for Collection ' leaks by viewing the vanes through the site depending on the type of vapor glass on the VFM. recovery system is installed. This vapor recovery alarm occurs Look for problems using one or more Weekly or when the UST ullage pressure of the following VR-202 procedures/ Monthly Ullage Warning exceeds the alarm threshold for tests: Dispenser Integrity Test B-3m (i.e. PressureVRM or Alarm the time period specified in the "Plumbing Tightness test), Exhibit 4, alarm. Exhibit 5, Exhibit 9(pressure sensor only) or flow rate verification per section 1.2.3. Weekly Ullage This vapor recovery alarm occurs May occur when there's an excessive leak Pressure Leak VRM Warning when the Vapor Recovery Monitor in the vapor recovery containment area. Test' or Alarm determines a leak greater than the Perform a pressure decay test per TP- allowable. 201.3. A flow meter is not connected or Channel there is an open in the wiring.This Check the connection. Measure the [n] Missing VRM Alarm will only occur for a flow meter voltage of the terminals,which should be channel that is programmed to approximately 18Vdc. have a flow meter. Channel The Vapor Recovery Monitor This may happen when a channel is [n] Error VRM Alarm does not understand the data programmed for a magnostrictive probe but transmission. has a vapor flow meter connected instead. Usually due to a bad connection or a broken wire. In some cases the sensor Pressure The pressure sensor is not may not be working. First check the Sensor Open VRM Alarm connected to the Vapor Recovery connections inside the dispenser junction Circuit Monitor. box then at the Console terminal block. Second, measure the voltage at the terminal blocks and verify the voltage. See page 17. Occurs with bad connection,TS-DIM does External TS- No communication between the not have power,TS-DIM is not working. DIM Connection VRM Alarm TS-DIM and the Console. Check the wiring between the TS-DIM and Down the Console. Check the jumper settings in the TS-DIM, see installation manual. TS-DIM Read Bad communication to the Most likely a baud rate problem. Check Data Error VRM Alarm Console. the baud rate in the Console as well as the jumper settings in the TS-DIM. Check the comm. Port settings in both the External ATG No communication or bad ATG and the Console.These comm. Port Connection VRM Alarm communication between the ATG settings should match. Make sure there Down and the Console. is a straight serial cable between the ATG and the Console. Printer Check System Warning Printer is out of paper, or the Make sure the printer has paper, and the Thermal Printer printer door is open. printer door is closed completely. Printer will resume printing and the alarm Printer Head Print head high temperature will clear after a short cool-down period. Temperature System Warning (65°C) persists for at least 2 Keep the console area cool and ventilated. minutes. If the alarm does not clear, contact FFS Technical Support. Printer Paper System Warning Indicates that paper is jammed in Carefully lift printer cover to inspect and Jam the printer remove jammed paper. II-33 CANB Approved IOM 11-INCON Vapor Recovery Monitoring(VRM)-Executive Order VR-202