1 - 74Chapter 1 TroubleshootingFIP2.18 HVPS/MCU (PL12.1.19)Step Check Yes NoPossible causative parts:HVPS/MCU (PL12.1.19)GUIDE ASSY CRU R (PL8.1.25)EP CARTRIDGEHARNESS ASSY ANT (PL8.1.24)HARNESS ASSY LVPS (PL12.1.1)1Checking the power by GUIDE ASSY CRU RIs GUIDE ASSY CRU R installed appropriately?Does the conducting part of GUIDE ASSY CRU R contactwith the plate of HVPS/MCU and EP CARTRIDGEappropriately?Confirm whether HVPS/MCU is assembled under the hookof FRAME.Go to step 2.Replace GUIDEASSY CRU R.(RRP8.13)Work over theinstallation ofHVPS/MCUagain.(RRP12.10)2Checking GUIDE ASSY CRU RRemove GUIDE ASSY CRU R. (RRP8.13)Is the Plate Earth of GUIDE ASSY CRU R damaged orsoiled?Go to step 3.Replace GUIDEASSY CRU R.(RRP8.13)3Checking 24 V to HVPS/MCURemove EP CARTRIDGE.Is the voltage across P/J10-1 <=> P/J10-4 on HVPS/MCU,24 VDC?Go to step 5. Go to step 4.4Checking HARNESS ASSY LVPS for continuityDisconnect P/J10 from HVPS/MCU.Disconnect P/J42 from LVPS.Is P/J10 <=> P/J42 continuous normally?Go to FIP2.1LVPS.ReplaceHARNESS ASSYLVPS.5Checking HARNESS ASSY ANT for continuityDisconnect P/J15 from HVPS/MCU.Is J15 <=> J150 continuous normally?ReplaceHVPS/MCU.(RRP12.10)ReplaceHARNESS ASSYANT.JG54A7ABHOOK
