Brand: SANYO
Category: Refrigerator
Document Type: Brochure/Marketing
Language: EN
Brochure/Marketing for MDF-U500VXC
Uploaded: Nov. 21, 2025, 7:19 p.m.
The SANYO Twin Guard Series™ -86°C Ultra-Low Freezers offer advanced features for safe and efficient storage of biological samples. Key operational aspects include:
- Dual, independent refrigeration systems for enhanced reliability.
- EcoMode™ for energy savings and Normal Mode for strict GMP applications.
- Integrated microprocessor controller with LCD display for monitoring, alarms, and data management.
- Advanced V.I.P. PLUS™ vacuum insulation for optimal thermal performance.
- Easy-In/Easy-Out™ door latches for convenient one-handed operation.
Troubleshooting and error codes
| Alarm & Safety Features | Events | Visual | Audible | Signal to Alarm Contact |
|---|---|---|---|---|
| Status Alert | Abnormal ambient (too high or too low), or abnormal freezer loading (too much warm product at one time). | None | None | None |
| High Temperature (+40°C)* | Interior chamber warms beyond high temp setpoint | Notification of error on graphical display | Intermittent tone. Time delay of 15 minutes after reaching alarm setpoint avoids false alarms. Intermittent tone. | Yes |
| Low Temperature (-40°C)* | Interior chamber warms beyond low temp setpoint | Notification of error on graphical display | Intermittent Tone | Yes |
| Power Failure | Loss of power | None | Intermittent Tone | N/A |
| Control Temperature Sensor Failure | Sensor probe disconnect short circuit or failure | Reverts to chamber temperature display | Solid Tone | No |
| Auto Return | Touch key is not pressed for 90 minutes | Reverts to chamber temperature display | None | No |
| Door Alarm | Door open | Notification of error on graphical display | Solid tone sounds after 2 minutes | Yes |