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Hartridge HK900 Operating Manual
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HARTRIDGE LIMITED Operating ManualHL030(EN), Issue 1, June 2005 255. Maintenance5.1 Regular MaintenanceThe All Makes Injector Test Unit AE32 does not require any regular maintenance procedures.5.2 TroubleshootingTHE AE32 CONTAINS HIGH VOLTAGES. SWITCH OFF AND REMOVEPOWER CABLE BEFORE OPENING THE UNIT.ONLY QUALIFED SERVICE PERSONNEL SHOULD ATTEMPT DIAGNOSTICSWITH POWER APPLIED.5.2.1 Status Indicator LightThe AE32 power status light gives the following indications:Condition StatusOff No power.Mainly on, but flashing off every 5 seconds Normal (healthy) statusFlashing on/off every second The internal electrical protection has tripped –see below.Fully on. Not normal operation; power is present but thereis a fault.The Trip ConditionTwo conditions could cause the unit to trip: high current (meaning that the current delivered is notcontrolled at the demand value), or extended pulse (meaning that the pulse has not turned off at therequired width).To reset the unit switch off, wait a few seconds, and then switch back on. If the unit is still tripped,switch off and disconnect the injector cable, then switch back on. The trip could be caused by a faultyinjector coil or piezo, or by a fault within the AE32. Try the injectors one at a time to establish if one isfaulty.If you suspect a problem with the AE32 unit, contact your local Hartridge distributor (see below).5.2.2 Other FaultsThe only other intervention that we advise is to check the 5A fuse in the single phase powerconnection unit.For any more complex problems contact your national Hartridge distributor; we would recommendthat the unit is returned to Hartridge for investigation and repair. Please give as much information aspossible on the conditions when the fault occurred, e.g. the injector type under test the test speed the solenoid current(s) applied the pulse width appliedTHIS IS AN UNCONTROLLED DOCUMENT downloaded by Lukas Matuska on 16 Feb 2016Any technical intervention requires certified Hartridge training. Contact Hartridge Ltd for details. |
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