Brand: Panasonic
Category: Medical Equipment
Document Type: Manual
Language: EN
Manual for KM-DU73Y1
Uploaded: Nov. 21, 2025, 6:37 p.m.
Manual Publish Date: 2012-11-01
Warranty Information
None
Startup Procedure:
- Ensure backup cooling kit switch is OFF and battery switch is OFF.
- Connect power cord to a dedicated outlet.
- Turn ON the power switch and battery switch.
- Set desired chamber temperature. The alarm lamp will blink until the target temperature is reached.
- Verify the chamber temperature.
- Turn ON the backup cooling kit if installed.
- Test the alarm system using the ALARM TEST key.
- Load articles in small batches to prevent temperature rise.
- Test the backup cooling kit if equipped.
Operation after Power Failure: The freezer resumes operation with the previous settings. A high-temperature alarm will activate if the chamber temperature is above the preset level after recovery. Press the BUZZER STOP key to silence the alarm.
Battery Charging: After installation or long periods of non-use, allow the freezer to operate for at least 3 days (72 hours) to charge the built-in battery.
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 (STATUS) lights. "--1" is displayed. | Decrease of cooling performance or durability of refrigerating circuit. | Examination is air-conditioning of installation site. |
| Notice of overload condition | When the running rate of refrigerating circuit is higher than usual. | Status lamp (STATUS) 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. Put articles in the chamber in a small batch. 2. Check ambient temp., voltage, and sealing of outer/inner door. |