Brand: SANYO
Category: Refrigerator
Document Type: Parts/Service
Language: EN
Parts/Service for MDF-137
Uploaded: Nov. 21, 2025, 8 p.m.
- Cooling performance: Maintains chamber temperature at -30°C even with an ambient temperature of 35°C.
- Environmentally conscious: Uses HFC refrigerant (R-134a) and CP urethane foaming for insulation.
- Reliability: Features flash memory for various functions, battery age indication, adjustable temperature alarm delay, and a new door lock mechanism.
- Control specifications: Microcomputer-based temperature control with a setting range of -18°C to -35°C. Includes high and low temperature alarms, power failure alarm, and self-diagnosis functions.
- Key operations: SET for setting values, DEF for defrosting, ALARM TEST for alarm testing, and navigation keys for setting and function modes.
- Error codes: E01 (sensor disconnected), E02 (sensor short-circuited), E09 (battery switch OFF).
- Alarms: High/low temperature alarms, power failure alarm, with audible and visual indicators, and remote alarm activation.
Troubleshooting and error codes
| Error code | Description | Action |
|---|---|---|
| E01 | Temp. sensor is disconnected. | Buzzer sounds and remote alarm activates. Compressor is turned on. Press BUZZER key to stop buzzer sounding. Remote alarm keeps activating. |
| E02 | Temp. sensor is short circuited. | Buzzer sounds and remote alarm activates. Compressor is turned on. Press BUZZER key to stop buzzer sounding. Remote alarm keeps activating. |
| E09 | Battery switch is OFF | When battery switch is off position or battery is unconnected, press ALARM key to display 'E09'. |