Search Tips
| 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 probe for loose connection or probe faulty |
| “E-41” | Memory scrambled |
Press and hold the UP and DOWN buttons and turn unit on. After SP shows on display, press SET button twice. Then press and hold the UP or DOWN button until In-SYS shows in display; if “E-41” persists, replace the control board |
| “Hi” | Unit overheating; faulty relay or control board | Have relay or control board replaced |
