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"Oil-Less” Medical Air                                                              Medical Systems


               4.0 Troubleshooting



                Problem                Possible Causes                    Solution
                Failure to start       Main power disconnected            Turn on main power

                                       Power failure                      Restore power

                                       Main fuse blown                    Replace fuse

                                       Fuse blown in control circuit      Replace fuse

                                       Overload tripped on starter        Reset & check for system overload

                                       High temperature switch activated   Allow unit to cool; reset  switch  &  check
                                                                          for over temperature condition

                                       Pressure switch open               Adjust or replace switch

                                       Loose or faulty connection         Check & tighten all wire connections

                Power failure          Main fuse blown                    Replace fuse

                                       Fuse blown in control circuit      Replace fuse


                Compressor shuts off   Overload tripped on starter        Reset & check for system overload
                unexpectedly
                                       Pressure switch out of adjustment   Adjust or replace

                                       High temperature switch activated   Allow unit to cool; reset  switch  &  check
                                                                          for over temperature condition
                Motor overheating      Low voltage                        Check for proper supply voltage

                                       V-belt too tight                   Adjust belt tension

                                       Defective motor                    Contact BeaconMedæs
                Compressor runs hot    Wrong rotation                     Switch motor leads

                                       Incorrect pressure setting         Adjust pressure switch

                                       Faulty compressor valves           Contact BeaconMedæs

                                       Check if valve or line to receiver    Replace if necessary
                                       is leaking or plugged

                                       Intake filter clogged              Clean or replace













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