20 Most Recent Sanyo SR-3620 Compact Refrigerator - Page 5 Questions & Answers

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Does the unit have a manufactures process stub on the compressor casing. That is where I put piercing valves to add refrigerant. Remember that EPA does not allow piercing valves to remain on system and the hole it forms has to be brazed shut. So if it does have a process stub place the peircing valve close enough to the end so you have enough stub to pinch off to braze thehole shut. If there is no process stub, then install piercing valve in a convenient location in the suction piping and pierce the line. Remove the refrigerant and install a "tee". On one leg of the "tee" install a schreader valve pressure tap and rebraze the joints. Perform and pressure and vacuum test to check for leaks and weigh in the correct amount of refrigerant. Once your proficient at this procedure, it should take about 60 to 90 minutes depending on obstructions around compressor. Just a comment, low air flow on evaporator give that same indications as a low charge. Make sure the evaporator fan is working and you have good air flow through evaporator section. Hope this helps

There are generally no service valves on refrigerators. Unlike car A/C refrigerators are designed NOT to leak so need no "recharge" If you are leaking freon you must have the leak fixed. A temporary service valve is attached after the repair is complete, charge is brought up to spec and then valve is removed and the tube it was connected to is soldered shut.

If this is a bog-standard fridge... then its the freezer compartment which actually cools the rest of the fridge. Air needs to circulate throughout the fridge... is the freezer compartment full of ice and need defrosting... if so, do not use sharp objects as there is a thermostatic temperature sensor wire in the vicinity of the ice-box.

I will assume you're trying to replace a broken existing door insert.... try www.buyspares.co.uk

There is a sensor wire in the vicinity of the ice-box... If you've forcible removed the ice build up... you may well have damaged this and hence the thermostatic wire will need replacing.

Evaporator is frozen with a block of ice preventing airflow into bottom of refrigerator. If you turn off the unit and allow it to completely defrost (all ice in freezer melted) unit will work again until the ice builds up again in few days or week.. The defrost circuit on unit is not working. Check the defrost timer, defrost heater, or defrost thermostat. One of these is responsible for the problem.