Introduce fault code detection function and fault code clearing of Caterpillar 320B excavator
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This function displays currently existing electronic control system faults detected by the controller.
(1) Enter maintenance mode 18. First, “18t oP” appears on the character display. Then, a fault code appears on the display. The fault code that occurs is displayed on the right 4-character position. The next procedure should be to browse the fault code, if there is no fault code displayed, end with “End” on the display.
(2) Press the fine-tuning control mode switch 25 to make “18t oP” flash on the “ON” and “OFF” positions.
(3) Press the boom priority mode switch 23, and the character display screen will display the existing fault codes in ascending order. It will end with “End”.
(4) Press the rotary priority mode switch 24, and the character display screen will display the existing fault codes in descending order. Finally “18t oP” will be displayed. The real-time fault codes are shown in Table 1-1-6.
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2. Real-time fault code (accessory) This function displays the fault detected by the controller in the accessory part.
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(1) Enter the service mode IC. First, “IC t oP” is displayed on the character display. Then, the fault code is displayed. The following program browses the fault codes that have occurred. The fault code is displayed 4 characters to the right. If there are no faults, the display will show “End”.
(2) Press the fine-tuning control mode switch 25 to make “ICtoP” blink on and off. next line.
(3) Press the boom priority mode switch 23, and the character display screen will display the existing fault codes in ascending order. Finally, “End” will be displayed at the
(4) Press the rotary priority mode switch 24 to display the existing fault codes in ascending order. Finally, “AtoP” will be displayed on the last line.
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3. Fault directory
(1) Enter service mode 19. The character display shows “1d t oP”. The alphanumeric display then shows the fault code stored in the controller’s memory. The next procedure is to browse the stored codes. The fault code is displayed 4 characters to the right. Faults that are not displayed remain in computer memory until the fault is cleared. The procedure used to clear the memory will be described later.
(2) Press the trim mode switch 25 so that “IdtoP” flashes on “ON” and “OFF”.
(3) Press the boom priority mode switch 23 to display past fault codes in ascending order. When all stored fault codes have been scanned, “End” will be displayed to indicate the end.
(4) Press the rotary priority mode 24 to display past fault codes in descending order. When all stored fault codes have been scanned, “t oP” will be displayed to indicate the end.
(5) Press the power mode switch 19 and the driving alarm release switch 22 for 2 seconds or more to clear all fault codes in memory. when displayed When “CLr”, the memorized fault code has been cleared.
(6) The fault code is the same as the real-time fault code.
NOTE: Clear the fault code after the corresponding problem is resolved. Make sure the fault code is no longer displayed. (5) Fault record (1) As shown in Figure 1-1-24, press the power mode switch 19 to enter the maintenance mode. “19 t oP” is displayed on the character display. The next procedure is to browse the fault codes stored in the memory of the controller. These fault codes are displayed 4 characters to the right. Short glitches will also be stored in memory.
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(2) Press the fine-tuning control mode switch 25 to make “19 toP” flash on “ON” and “OFF”.
(3) Press the boom priority mode switch 23 to display past fault codes in ascending order. When all stored fault codes have been scanned, “End” will be displayed to indicate the end.
(4) Press the swing priority mode switch 24 to display past fault codes in descending order. When all stored fault codes have been scanned, “19 t oP” is displayed to indicate the end.
(5) Press the power mode switch 19 and the driving alarm release switch 22 for more than 2 seconds to clear all the memorized fault codes. when displayed When “CLr”, all memorized fault codes have been cleared.
