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cheeSe MelteR 20 P/N 1010983 Rev B 05/08 Diagnostics (continued) “err” will be displayed when there are program- ming parameter errors. If this message appears, you may have to clear the current parameters. To clear the unit’s current programming and reset the unit to its factory default settings: 1. Turn the unit off. 2. Push the two buttons highlighted below simul- taneously and continue to hold them both while turning the unit on. Release once you hear the unit beep and then stop. ERR 3. Check the Display: • If the Display shows “eRR” again, contact Roundup for technical assistance. • If the Display appears normal, try both a single shot and a factory default timed cycle before re-programming the unit. Review the Programming section of this manual (Page 10) and then program the Operating Buttons according to your cooking requirements. TEMP “teMP” indicates the control cabinet temperature has exceeded 155°F (68°C), causing the unit to shut down. If this occurs, the unit must be turned off for at least 20 minutes so that it can cool off and reset. If this condition reoccurs, contact your local Authorized Service Agency or Roundup Technical Assistance. The control board monitors the control cabinet ambient temperature and records whatever its highest temperature has been. This information will help your service technician when troubleshooting the unit. To determine what the control cabinet’s highest temperature has been since it was last reset: 1. Turn the unit off. 2. Press and hold the two buttons highlighted below while turning the unit on. 3. Record the highest control cabinet tempera- ture shown on the display and release the arrow keys. 4. Turn the unit off to preserve this record. To clear/reset this record, simultaneously press the two buttons highlighted above (before turning the unit off). The display will show 33ºF – indicating that the record has been cleared – and then turn the unit off.