Brand: SANYO
Category: Refrigerator
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for MDF-U500VXC
Uploaded: Nov. 21, 2025, 7:25 p.m.
Warranty Information
Design or specifications are subject to change without notice. Battery and fan motors are expendable supplies.
Basic Screen:
Displays set temperature, present chamber temperature, date, and time.
Menu Navigation:
- Press MENU to access options: Set, Log, Tools.
- Use numeric keys or arrow keys to select parameters.
- Press ENTER to confirm settings.
Temperature/Alarm Setting:
- Set desired temperature, high/low alarm limits, alarm delay, and ring back time.
- Key Lock function can prevent changes to settings.
Data Logging:
- Records chamber temperature, compressor status, ambient temperature, door status, and alarm events.
- Data can be transmitted to a PC via MTR-480 or MTR-L03 interface boards.
ECO Mode:
Energy-saving mode that reduces annual energy consumption by approximately 5% compared to normal mode, with potential minor variations in temperature uniformity.
Troubleshooting and error codes
| Trouble | Possible Cause | Remedy |
|---|---|---|
| Abnormal in cooling circuit | - | ALARM lamp blinks, buzzer beeps intermittently, remote alarm activates and message is shown. |
| Abnormal in fan motor | Fan motor is locked. | ALARM lamp blinks, buzzer beeps intermittently, remote alarm activates and message is shown. |
| Abnormal in sensor | - | - |
| High temperature alarm | Temperature exceeds set limit. | ALARM lamp and LCD display flashes, intermittent buzzer tone with delay. Remote alarm contact activates with delay. |
| Low temperature alarm | Temperature drops below set limit. | ALARM lamp and LCD display flashes, intermittent buzzer tone with delay. Remote alarm contact activates with delay. |
| Power failure alarm | Power to the unit is disconnected. | ALARM lamp flashes and intermittent buzzer tone emitted. Remote alarm contact activates. |
| Door alarm | Outer door is open. | Indication is shown. ALARM lamp blinks and buzzer beeps intermittently with 2~15 min. delay. |