Brand: SANYO
Category: Refrigerator
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for MDF-U2086S
Uploaded: Nov. 21, 2025, 7:17 p.m.
Warranty Information
Contact Sanyo sales agency for battery replacement and recycling.
To turn on the unit, turn the power switch to "on". The present temperature will be displayed. Press the "SET" key to enter temperature setting mode, where the second digit of the temperature indicator will flash. Use the "digit shift" and "numerical value shift" keys to adjust the temperature. Press "SET" again to memorize the setting. The unit will then cool down to the desired temperature. For key lock function, press and hold the "digit shift" and "numerical value shift" keys for 5 seconds to display "LO". Pressing the "shift key" will display "L1" and activate the lock. Pressing "SET" completes the lock.
Troubleshooting and error codes
| Trouble | Cause | Remedy |
|---|---|---|
| No refrigeration | 1. Voltage too low. 2. Power not supplied. 3. Breaker tripped. |
1. Call electrician. 2. Check power supply. 3. Reset breaker. |
| Poor refrigeration | 1. High ambient temperature. 2. Door not shut tightly. 3. Inner lid not installed correctly. 4. Set temperature improper. 5. Grille blocked. 6. Filter clogged. 7. Direct sunlight. 8. Heating source nearby. 9. Access port cap/insulation not set. 10. Too many unfrozen articles. |
1. Ensure proper environmental temp. 2. Close door tightly. 3. Install inner lid correctly. 4. Set temperature properly. 5. Clear grille. 6. Clean filter. 7. Move from direct sunlight. 8. Move heating source away. 9. Set cap/insulation correctly. 10. Load fewer articles. |
| Noise | 1. Freezer unstable. 2. Not leveled. 3. Touching something. 4. First operation after shutdown. |
1. Stabilize unit. 2. Level unit. 3. Move obstructing object. 4. Noise may cease as temperature lowers. |
| Alarm test key fails | 1. Battery discharged. | 1. Operate freezer for 3 hrs, then test. Fully discharged battery needs 2 days operation. |
| Recorder not operating | 1. Chart not fed. 2. Temp not recorded. |
1. Check dry cell (lasts ~1 yr). 2. Check pen and chart setting. |