Error Codes
| Display | Cause | Solution |
|---|---|---|
| “E-4” | Control board overheating |
Turn switch to OFF position, then turn switch back to ON; if display shows “E-4”, the control board is getting too hot; make sure unit is not overheating |
| “E-6” | Faulty temperature probe |
Check to see if unit is set to the correct number of drawers ex: MP-942=2 drawers (see Programming) |
| “E-41” | Memory scrambled |
Press and release the UP and DOWN buttons to initialize the program; if “E-41” persists replace the control board |
|
“Hi” |
Unit overheating; faulty relay or control board |
Have relay or control board replaced |
