Manual for MPR-311D(H)

Manual for MPR-311D(H)

Brand: SANYO

Category: Refrigerator

Document Type: Manual

Language: EN

Uploaded: Nov. 21, 2025, 7:29 p.m.

Initial Start-up

  1. Connect the unit to a dedicated power supply. Do not place any product in the unit at this time.
  2. The audible alarm may sound when power is initially applied. Silence it by setting the BUZZER switch to OFF.
  3. Set the desired temperature.
  4. Check that the chamber temperature has reached the desired temperature.
  5. Once satisfied, slowly begin placing products into the chamber to minimize temperature rise.

Handling of Containers

Arrange containers to avoid disturbing air circulation. Disturbance can cause freezing of containers or temperature fluctuations.

Air Intake Vent

Avoid blocking the air intake vent with containers.

Air Exhaust Vent

Do not obstruct the exhaust air port with containers, especially at low temperatures (below 5°C).

Troubleshooting and error codes

SituationIndicationBuzzerSafety operation
High temp. alarm
The chamber temp. is more than 15°C.Temperature display is flashed.Pulse tone-----
The chamber temp. is more than about 20°C.High temp. alarm lamp is lit.Pulse tone-----
Low temp. alarm
The chamber temp. is less than 0°C.All digits on the temp. display are flashed.Pulse tone-----
The chamber temp. is less than about -2°C.Defrost lamp is lit.Pulse tone-----
Door alarm
When the door is opened.Door check lamp is lit.Pulse tone after delay of 30 seconds-----
Thermal sensor abnormality
If the thermal sensor is disconnected.E1 and chamber temp. is displayed alternately.Pulse toneRunning with defrost sensor
If the thermal sensor is short circuited.E2 and chamber temp. is displayed alternately.Pulse toneRunning with defrost sensor
If the defrost sensor is disconnected.E3 and chamber temp. is displayed alternately.----------
If the defrost sensor is short circuited.E4 and chamber temp. is displayed alternately.----------
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