Brand: Panasonic
Category: Medical Equipment
Document Type: Manual
Language: EN
Manual for MDF-DU702VH
Uploaded: Nov. 21, 2025, 7:09 p.m.
Warranty Information
Refer to the service manual for warranty information, as it is not explicitly stated in this excerpt.
Operation Menu Functions
- Runtime: Displays accumulated time for Main battery, Backup battery FAN A, and FAN B. Allows for reset.
- Version UP: Updates firmware for the main board and touch panel.
- Temp. Calibration: Chamber adjustment method.
- System Configuration #1: Settings for Capi. Heater, its timer, compressors, and Fans A/B.
- Status: Monitors chamber temperature, ambient temperature, compressor, evaporator, and fan status.
- System Configuration #2: Controls for AIP heater and Backup function. Allows setting of overload alarm delay.
- Reset Data: Initializes data, flash memory, and sets the model code.
- Error Log: Outputs error log data.
- Setup Data: Inputs and outputs data.
- Other Setting: Controls Screen Capture, Demo Mode, Self-diagnosis Function, and FAN Alarm.
CAUTION: Firmware update, compressor, FAN, and cap heater settings affect basic performance. Be careful when operating.
Troubleshooting and error codes
| Item | MDF-DU502VH | MDF-DU702VH | |
|---|---|---|---|
| Temperature controller | Microprocessor control system: LCD touch panel input Settable range : -90 ℃~-50 °C (unit:1 °C) Memorized by Non-volatile memory | ||
| Temperature sensor | Platinum resistance (Type: PT 1000 Ω) | ||
| Temperature display | WVGA full color LCD Digital display (Unit: 1 °C) | ||
| High / Low temp. alarm | SV±5℃~+40 °C, changeable (default:±10 °C) | ||
| When the chamber temperature exceeds the alarm set temperature, "Alarm" is displayed alternately in normal characters and reverse video in the alarm display field and chamber temperature blinks. After 15 min. (0-15 min. changeable, default: 15°C), "Warning" is displayed in the message display field, buzzer beeps and remote alarm activates and chamber temperature blinks. | |||
| When the door opens, "Open" is displayed alternately in normal characters and reverse video in the alarm display field. After 2 min. (0-15 min. changeable), buzzer beeps, no remote alarm activates. | |||
| Alarms | Fan lock alarm | No detection function. | |
| Power failure | "Warning" is displayed alternately in normal characters and reverse video in the alarm display field. And the notification is displayed in the message display field. Buzzer beeps and the remote alarm activates. | ||
| Filter alarm | Filter alarm indicator is lit when the excessive dust is accumulated on the condenser filter. When this indicator is lit, clean the condenser filter. | ||
| Remote alarm | Remote alarm terminal 3P; contact capacity DC 30 V, 2 A (Max) Remote alarm activates when temp. alarm or power failure occur. | ||
| Parts replacement notification | Battery age | Two type of battery accumulation time display in service mode. At replacement time, it is informed in the message display field. | |
| Fan motor age | Fan motor accumulation time display in service mode. Replacement notification is not performed. | ||
| Ambient temperature abnormality | When the sensor is out of the range of 35 °C from 0 °C, the notification display in the message display field. | ||
| Supply voltage drop | No detection function. | ||
| Status display | High-load operation | When low side compressor operation rate is over 95 %, the notification display in the message display field. | |
| Self-diagnosis function | When a sensor is failed, the notification display in the message display field. Buzzer beeps and remote alarm activates. Overload relay (internal) | ||
| Compressor protection | Detected value of filter sensor is 50 °C or more. "Warning" is displayed alternately in normal characters and reverse video in the alarm display field and the notification is displayed in the message display field. Buzzer beeps and remote alarm activates. | ||
| Key lock | Selection of ON or OFF by slide in Key Lock mode. ON: Locked OFF: Unlocked | ||