Các lỗi thường gặp

Code :
  • Code: C473
  • Description: Surge pressure detection / power and voltage upper limit abnormality
  • Remedy: 1. Check the power voltage (1) Check if the power voltage is normal.(Is the voltage during the operation ?10% of the rated voltage?) 2. Check the thermostat (1) Check if the thermostat is blown. 3. Check the IH board (1) Check if the connectors of the power supply unit are disconnected (power supply unit AC output connector and LGC I/F connector CN404). (2) Check if the fuse on the IH board has blown. (3) Replace the IH board. 4. Check the LGC board (1) Check if the connectors CN305/CN306 are disconnected. (2) Check if the conductor pattern on the board is short circuited or open circuited. (3) Replace the LGC board. 5. Clear the status counter Change the current status counter value "1" or "2" to "0", then press [ENTER] or [INTERRUPT].
  • Code: C474
  • Description: Power and voltage lower limit abnormality
  • Remedy: 1. Check the power voltage (1) Check if the power voltage is normal.(Is the voltage during the operation ?10% of the rated voltage?) 2. Check the thermostat (1) Check if the thermostat is blown. 3. Check the IH board (1) Check if the connectors of the power supply unit are disconnected (power supply unit AC output connector and LGC I/F connector CN404). (2) Check if the fuse on the IH board has blown. (3) Replace the IH board. 4. Check the LGC board (1) Check if the connectors CN305/CN306 are disconnected. (2) Check if the conductor pattern on the board is short circuited or open circuited. (3) Replace the LGC board. 5. Clear the status counter Change the current status counter value "1" or "2" to "0", then press [ENTER] or [INTERRUPT].
  • Code: C476
  • Description: IH low power supply
  • Remedy:
  • Code: C480
  • Description: IGBT high temperature abnormality
  • Remedy: [C480] IGBT high temperature abnormality 1. Check the IH cooling fan (1) Is the IH cooling fan rotating normally? (Check if the connector is disconnected.) 2. Check the IH board (1) Replace the IH board. 3. Check the LGC board (1) Check if the connectors CN305/CN306 are disconnected. (2) Check if the conductor pattern on the board is short circuited or open circuited. (3) Replace the LGC board. 4. Clear the status counter Change the current status counter value (08-400) "14" to "0".
  • Code: C481
  • Description: IH drive circuit abnormality
  • Remedy: 1. Check the IH board (1) Replace the IH board. 2. Check the LGC board (1) Check if the connectors CN305/CN306 are disconnected. (2) Check if the conductor pattern on the board is short circuited or open circuited. (3) Replace the LGC board. 3. Clear the status counter Change the current status counter value (08-400) "15" to "0".
  • Code: C490
  • Description: IH circuit abnormality / IH coil abnormality
  • Remedy: 1. Check the power voltage (1) Check if the power voltage is normal.(Is the voltage during the operation ?10% of the rated voltage?) 2. Check the IH board (1) Check if the heaness of IH coil. (2) Check if the conductor pattern on the board is short circuited or open circuited. (3) Replace the IH board. 3. Check the IH coil (1) Check if the IH coil is open circuited or short circuited. (2) Replace the IH coil.
  • Code: C4B0
  • Description: Fuser unit counter abnormality
  • Remedy: 1. Check the LGC board (1) Check if the conductor pattern on the board is short circuited or open circuited. (2) Check if SRAM is mounted. (3) Replace the LGC board. 2. Clear the status counter Change the values “30” or above, or “4” of the status counter (08-400) to “0”.
  • Code: C4B1
  • Description: Fuser unit voltage judgment abnormality
  • Remedy: (1) Check if any of the harnesses in the fuser unit is open circuited. (2) Check if any of the connectors CN305, CN306 and CN330 on the LGC board is open circuited. (3) Check if there is any abnormality on the harnesses between the connectors CN305, CN306 and CN330 on the LGC board and the fuser unit. (4) Replace the LGC board. (5) Replace the fuser unit. (6) Check if the AC input connector on the IH board is disconnected. (7) Check if the connector CN404 of the switching regulator is disconnected. (8) Check if the fuse of the IH board has blown. (9) Replace the IH board. (10) Replace the FIL board.
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