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Sharp MX2600N

  • Code: L4-50
  • Description: Process fan trouble
  • Causes: The fan operation signal is not detected within the specified time in the process fan operation. Process fan trouble. PCU PWB trouble Connection trouble of the connector and the harness.
  • Remedy: Check that the fan is rotating after turning ON the power. Replace the process fan. Replace the PCU PWB. Harness and connector connection trouble.
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