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Sharp MX7081

Error Codes List page 58

  • Code: UE-23
  • Description: LCT2 warm air heater thermistor low temperature trouble
  • Causes: Warm air heater (thermistor) trouble
    Warm air heater trouble
    Warm air heater harness and connector connection trouble
    A3 2-stage LCT control PWB trouble
    Thermostat trouble.
    AC power trouble
    Insertion detection switch 2 trouble
    Heater relay PWB trouble
  • Remedy: Check the warm air heater (thermistor) and its harness.
    Check the thermistor input circuit section of the A3 2- stage LCT control PWB.
    Check for disconnection of the warm air heater and the thermostat.
    Check the insertion detection switch 2.
    Check the heater relay PWB.
    Check the heater control circuit of the AC PWB and that of the A3 2-stage LCT control PWB.
  • Code: UE-24
  • Description: LCT2 warm air heater thermistor high temperature trouble
  • Causes: Warm air heater (thermistor) trouble
    A3 2-stage LCT control PWB trouble
    Warm air heater harness and connector connection trouble
    Heater relay PWB trouble
  • Remedy: Check the warm air heater (thermistor) and its harness.
    Check the thermistor input circuit section of the A3 2- stage LCT control PWB.
    Check the heater relay PWB.
    Check the heater control circuit of the A3 2-stage LCT control PWB.
  • Code: UE-25
  • Description: LCT2 warm air outlet port thermistor open
  • Causes: Thermistor trouble.
    A3 2-stage LCT control PWB trouble
    Connector connection trouble
  • Remedy: Check connection of the harness and the connector from the thermistor to the A3 2-stage LCT control PWB.
  • Code: UE-26
  • Description: LCT2 warm air outlet port thermistor low temperature
  • Causes: Thermistor trouble.
    Warm air heater trouble
    Warm air heater harness and connector connection trouble
    A3 2-stage LCT control PWB trouble
    Thermostat trouble.
    AC power trouble
    Insertion detection switch 2 trouble
    Heater relay PWB trouble
  • Remedy: Check the thermistor and its harness.
    Check the thermistor input circuit section of the A3 2- stage LCT control PWB.
    Check for disconnection of the warm air heater and the thermostat.
    Check the insertion detection switch 2.
    Check the heater relay PWB.
    Check the heater control circuit of the AC PWB and that of the A3 2-stage LCT control PWB.
  • Code: UE-27
  • Description: LCT2 warm air outlet port thermistor high temperature
  • Causes: Thermistor trouble.
    Warm air heater harness and connector connection trouble
    Heater relay PWB trouble
    A3 2-stage LCT control PWB trouble
  • Remedy: Check the thermistor and its harness.
    Check the thermistor input circuit section of the A3 2- stage LCT control PWB.
    Check the heater relay PWB.
    Check the heater control circuit of the A3 2-stage LCT control PWB.
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