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Model reference

Magic Chef B31FN-2X-DD

Range

30 error codes17 service modes
MyPros+ Max

Diagnose your Magic Chef B31FN-2X-DD.

  • Step-by-step diagnostics from the service manual
  • Test values, resistance specs, and wiring references
  • Verified part numbers when replacement is needed
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Error codes (30)

CodeMeaning
F1 E1ACU (Appliance Control Unit) fault.F1 E4HMI (Human Machine Interface) fault.F1 E6Voltage input fault.F1 E7Voltage input fault detected.F1E1No voltage detected at the heater relay; possible motor or heater failure or…F2 E1Stuck keypad errorF3 E1Thermistor faultF3E1Exhaust thermistor is open or shorted (open if temp drops below 18°F / >50k…F3E2Moisture sensor strip 1 is open or shorted (only appears in service diagnostic…F3E3Inlet thermistor is open or shorted (open if temp drops below 18°F / >245k…F3E5Second moisture sensor strip is open or shorted (Quad Sense models only; only…F5 E1Dryer door circuit error.F6 E1ACU to HMI communication faultF6E1ACU and HMI have not communicated for a specified amount of time.F6E2WiFi Module has not responded for a specified amount of time.F7 E6Dryer motor circuit error.F7 E8Dryer motor sense error.FC E1Model/Serial number not programmed.FC E2Model and serial number do not match.FC E3Wi-Fi connection fault.FC E4USB faultFC E5Software update failureFC E6Model setup export failureFC E7Model setup import failureFC E8Wi-Fi module not responding or not connected.FCE1WiFi Module communications lost.FP E1Coin 1 circuit error.FP E2Coin 2 circuit error.FP E3Card reader communication error.PFPower failure occurred while the dryer was running.

Service modes (17)

  • Component Activation / Quick Service Cycle (LCD in Door Models)["Enter Service Diagnostic Mode (LCD in Door) first.","From the DIAGNOSTICS HOME screen, scroll…
  • Diagnostic Mode["Enter Set-Up Mode first.","While in any of the set-up codes 1 through 6 (or while dAS displays if…
  • diagnostic_modePress DELICATES keypad for one second while in any of the set-up codes 1 through 6 (or while dAS…
  • Help Mode["Enter Set-Up Mode first.","Navigate to special pricing option step 2.XX (or while dAS displays if…
  • help_modePress HEAVY DUTY keypad while in special pricing option step 2.XX (or while dAS displays if…
  • Key Activation & Encoder Test (Console Models)["Activate Service Diagnostic Mode first.","Press and release the 1st button used to activate…
  • model_serial_number_menuEnter Help Mode first
  • Model/Serial Number Menu["Enter Help Mode first.","While on the S0 screen, press the HEAVY DUTY keypad.","Use the NORMAL…
  • Service Diagnostic Mode (Console Models)["Ensure the dryer is in standby mode (plugged in with all indicators off).","Select any three (3)…
  • Service Diagnostic Mode (LCD in Door Models)["Ensure the dryer is in standby mode (plugged in with all indicators off).","Open and close the…
  • Service Test Mode (Console Models)["Activate Service Diagnostic Mode first.","Press and release the 2nd button used to activate…
  • Set-Up Mode["PD Models
  • setup_modeCOIN Models
  • Software Version Display (Console Models)["Activate Service Diagnostic Mode first.","Press and hold the 2nd button used to activate Service…
  • USB Menu["Enter Help Mode first.","While on the USB screen, press the HEAVY DUTY keypad to enter USB…
  • usb_menuEnter Help Mode first
  • wifi_menuWhile in setup mode on the F0 screen, press the HEAVY DUTY keypad to enter Wi-Fi mode.

Full entry steps, exit procedures, and test sequences are available in Max.

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