106.56569400 Freezer/frig not cooling, 2.5 psi freon running pressure, ice buildup on supply line

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Model Number:
106.56569400
What happens & when: Freezer/frig not cooling, 2.5 psi freon running pressure, ice buildup on supply line, freezer somewhat cool 35 deg.F after 4 days running, frig 63 deg. F. I suspect filter drier clogged up W10843121 is guess filter, All motors are running, fans run, coils clean, no ice in freezer but on compressor line 1/4 inch buildup.

Error Code (if any): none
Parts or tests already tried:
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Hey Fred, was the sealed system opened up recently? Is the drier cold to the touch? When you say the supply line, are you talking about the suction line going into the compressor?

The line that I have my clamp on freon fitting to charge the system is creating ice on the line and the fitting. The system may have been depleted as it was not cooling and I charged the system but I did not open the system up. ( not running charged to 30 psi and when I plugged in refrigerator/freezer unit, the pressure settled down to 2 to 2.5 psi. I was going to evacuate the system and then, try recharging the system BEFORE I order and put in the filter drier. The freezer is holding steady at 36-38 degrees so it is cooling somewhat and the refrigerator portion is still near 65 degrees pretty much all the time for the last 7 days. I am suspecting water vapor lock in the system. What do you think? Fred

Drier is not cold and like warm but the line I was talking about with the fitting to charge the system has ice buildup 1/4 inch now.

I would pump down the system, replace the filter drier. Once pumped down in a vacuum, watch the gauges to see if it holds a negative vacuum. This would tell you of a leak. Then re-charge the system.

So do you think the drier is clogged up as system held a pressure correctly for 4 days, evacuate the system and recharge or Replace drier filter, evacuate system and recharge it?

Anytime the system is opened up, I always changed the filter and pulled a vacuum, checked it for leaks and then re-charged.

Thank you David, I will do that and let you know outcome.

Fred