7.2. (VHS) Self-Diagnosis and Special Mode Setting7.2.1. (VHS) Self-Diagnosis FunctionsThis model has a self-diagnosis and display function. If the VHS section detects trouble during installation or during use, one of thefollowing Error Codes will automatically appear in the display on VHS side. Error Codes are displayed in the form of a single Englishletter followed by two numbers, as for example "H01".Note:1. The indication "U" is displayed on the FIP while power remains on.2. The indication "H" or "F" is displayed on the FIP, and the power is automatically turned off. When the power is turned onagain, the Error indication code will disappear and the unit will return to normal display mode (either clock or counter isdisplayed).3. This Error indication code will be stored in the microprocessor even after the AC plug being disconnected.The two-digit number portion of the stored Error indication code can be re-displayed in "second" display portion (the last 2digits of the FIP) by placing the unit is Service Mode Number 3 When turning on Service Data Display as for example "01"or "02" etc. If a second error occurs, the most recent error will be displayed and stored until 3 self-diagnosis histories inmaximum.4. To erase the stored Error Code data, Press STOP and EJECT buttons on VHS simultaneously for over 5 seconds in ServiceMode 3.Error Number at a glanceMemory No.(Error No.)Reason Automatic display MemoryH01 The cylinder could not be started.(Error of the cylinder or the cylinder driver.)Yes YesH02 The CAP FG could not be detected. Yes YesF03 Mechanism lock during without the unloading and the cassette-up. Yes YesF04 Mechanism lock during unloading Yes YesF05 S-reel pulse cannot be detected when a cassette tape is inserted.(Error of the S-reel system or the Capstan system.)No YesF06 Mechanism lock during the Cassette-up. Yes YesF09 Communication Error between VHS Microprocessor (IC6001) and TimerMicroprocessor (IC7501)Yes YesH07 The recording circuit can not be operated in REC mode. Yes YesH08 The recording circuit is operated in except for REC mode. Yes YesU11 Cylinder clogs during the PLAY mode. Yes YesF15 S-reel pulse cannot be detected when a cassette tape is inserted.(Error of the S-reel system or the Capstan system.)No YesH16 Detection of the Cylinder lock during the constant rotation No YesH17 Detection of S-reel lock during the constant tape running Yes YesH18 Detection of T-reel lock during the constant tape running Yes YesF20 NG1 in the PG Shifter Automatic Adjustment(The cylinder rotation is unstable during the automatic adjustment.)Yes YesF21 NG2 in the PG Shifter Automatic Adjustment(The vertical sync signal is lacked while over 5 seconds on the alignment tape.)Yes YesF22 NG3 in the PG Shifter Automatic Adjustment(The installing position of Heads to the cylinder is our of specification.)Yes YesF23 NG4 in the PG Shifter Automatic Adjustment(The servo is not locked to the cylinder for more than 10 sec.)Yes YesH80 An exceptional ejection depends on a Error No Yes26DMR-EZ47VP / DMR-EZ475VP