Search Tips
 |  |
| Display | Cause | Solution |
|---|---|---|
| “E-4” | Control board overheating | Turn POWER switch to OFF then back ON; if display still shows “E-4”, the unit is overheating or louvers are clogged |
| “E-6” | Faulty temperature 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 |
