Brand: Panasonic
Category: Medical Equipment
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for MDF-U74V
Uploaded: Nov. 21, 2025, 9:21 p.m.
Warranty Information
Our company guarantees the product under certain warranty conditions.
Basic Operation:
1. Ensure unit is level and properly installed.
2. Connect power cord to a dedicated outlet.
3. Turn on the power switch.
4. Set the desired chamber temperature using the control panel keys.
5. Allow the unit to reach the set temperature.
6. Load articles in small batches to prevent temperature rise.
Key Functions:
- Temperature Setting: Use SET, numerical value shift, and digit shift keys.
- Key Lock: Press digit shift key for 5 seconds to lock/unlock.
- Alarm Settings: Adjust high/low temperature alarms, alarm resume time, compressor delay time, and door alarm delay time.
- Monitoring: Status monitor lamp and S codes indicate running status.
1. Ensure unit is level and properly installed.
2. Connect power cord to a dedicated outlet.
3. Turn on the power switch.
4. Set the desired chamber temperature using the control panel keys.
5. Allow the unit to reach the set temperature.
6. Load articles in small batches to prevent temperature rise.
Key Functions:
- Temperature Setting: Use SET, numerical value shift, and digit shift keys.
- Key Lock: Press digit shift key for 5 seconds to lock/unlock.
- Alarm Settings: Adjust high/low temperature alarms, alarm resume time, compressor delay time, and door alarm delay time.
- Monitoring: Status monitor lamp and S codes indicate running status.
Troubleshooting and error codes
| Kind of function | Status | Indication | If this status continues | Remedy |
|---|---|---|---|---|
| Notice of abnormal ambient temperature | When the ambient temp. is over approx. 35°C or lower than about 0°C. | STATUS lamp lights. "--1" is displayed. | Decrease of cooling performance or durability of refrigerating circuit. | Recheck air-conditioning of installed site. |
| Notice of low voltage | When the power source voltage is less than approx. 195 V when the rated voltage is between 220 V and 240 V. | STATUS lamp lights. "--2" is displayed. | Abnormal heat at power supply outlet or degrade of starting performance of refrigerating circuit | Use dedicated power source. |
| Notice of overload condition | When the running rate of refrigerating Circuit is higher than usual. | STATUS lamp lights. "--3" is displayed. | Decrease of cooling performance or durability of refrigerating circuit. | 1. This is likely to happen when a large amount of materials is stored. 2. Check ambient temp., voltage, and sealing of outer/inner door. |