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Model reference

Wells Manufacturing M4200

Oven

1 document4 error codes9 service modes

Available documentation

Service Manual

  • Owners Manual Vented Convection Oven Model M420041 pg
    Covers this model
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Error codes (4)

CodeMeaning
HTR ERRORHeating element is not working properly, displayed on startup.INCORRECT CARDThe inserted smart card is not recognized or is incompatible during O/S loading…MTR ERRORFan motor is not working properly, displayed on startup.TOO COOLOven has not yet reached the pre-set temperature of 375°F during heat-up; oven…

Service modes (9)

  • Cool Down Mode["With power switch ON, open oven door.","Press UTILITY key (display reads FAST COOL MODE).","Press…
  • Edit Menu Mode["Enter programming mode (press and hold PROG for 5 seconds).","Press PROG button until EDIT MENU…
  • Install Operating System (O/S) via Card["Turn oven switch to OFF position.","Insert menu Runware Card into card reader slot with chip…
  • Programming Mode["Oven must be turned ON with no cooling timer or bake cycle active.","Press and hold PROG button…
  • Service Menu Mode["Enter programming mode (press and hold PROG for 5 seconds).","Press PROG button until SERVICE…
  • System Info Mode["Enter programming mode (press and hold PROG for 5 seconds).","Press PROG button until SYSTEM INFO…
  • Temperature Calibration Mode["Oven must be ON for at least 30 minutes with no cooling timer or bake cycle active.","Press and…
  • Transfer Menu Mode["Enter programming mode (press and hold PROG for 5 seconds).","Press PROG button until TRANSFER…
  • View Menu Mode["Enter programming mode (press and hold PROG for 5 seconds).","Press PROG button until VIEW MENU…

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