1 – 66Chapter 1 TroubleshootingFIP1.44 SENSOR FACE UP OPENStep Check Yes NoPossible causes:SENSOR FACE UP OPEN (PL10.1.25)GATE FU (PL10.2.6)LEVER GATE FU (PL10.2.17)HARNESS ASSY EXIT SNR (PL10.1.27)HVPS/MCU (PL12.1.19)1Checking GATE FU for operationOpen COVER ASSY REAR 500.Move LEVER GATE FU up and down.Does GATE FU operate smoothly?Does the actuator go into the sensor detecting pointwhen LEVER GATE FU is moved up, and out of thedetecting point when down?With tool Go tostep 2. Withouttool Go to step 3.Replace LEVERGATE FU andGATE FU.2Checking SENSOR FACE UP OPEN for operation (1)Remove EP CARTRIDGE.Close COVER ASSY REAR 500.Move LEVER GATE FU up and down.Does the number increase one by one, every timeLEVER GATE FU operates?Check using Chapter 2 Diagnostic [Sensor/SwitchCheck].Replace HVPS/MCU.(RRP12.10)Go to step 3.3Checking HARNESS ASSY EXIT SNR for continuityRemove 500 EXIT ASSY (PL10.1.2) (RRP10.2)Remove HARNESS ASSY EXIT SNR.Is there continuity betweenJ29-4 and J291-3?J29-5 and J291-2?J29-6 and J291-1?Go to step 4.Replace HAR-NESS ASSY EXITSNR.4Checking SENSOR FACE UP OPEN for operationReplace SENSOR FACE UP OPEN. (RRP10.6)Is the problem cleared?End of work Replace HVPS/MCU. (RRP12.10)
