I have a sanyo aircon split system and i need to know the icons

Hi I googled (error code e3 for Sanyo 12000 Btu Mini Split Air Conditioner) and found this link below of a short youtube video of the answer you're looking for, Also on the right there are other video's you might be interested in...I hope this helps you..CHEERS..
https://www.youtube.com/watch?v=nISwqnhul90

Normally in your situation I would call the owner and ask for instructions. You could request the owner to send a technician and get it up as a tenant you cannot be denied use of the aircon if that is part of your lease benefit.
We cannot help you much at fixya.com without knowing the make and model number of the aircon unit. Usually with split systems I could suggest you turn the mains power off at the circuit breaker, wait a few seconds and then turn back on. Then go to the internal unit and with remote control start the unit. See if everything comes back to normal.

the icons are;
snowflake = cool
raindrop = dehumidification
fan-blade = fan
sun = heat
I am assuming that you have it on the snowflake,hope this helps Tim

It may be low on refrigerant.

C5- Indoor to put door communication problem.

Comms Error, check your wiring, remove external pumps. Split/Multi - check volts from terminal N to 3 = 0 - 65 Vdc, Multi V - 4 Vdc terminals 3 and 4

E-5 -Comms Error, check your wiring, remove external pumps. Split/Multi - check volts from terminal N to 3 = 0 - 65 Vdc, Multi V - 4 Vdc terminals 3 and 4

You should change the remote sensor receiver unit on the unit.

ok, on these units, if by high side line you mean the small tube going from outside to inside, that tube is actually on the low side, the metering device is in the outdoor unit. If you shut the unit down, let everything thaw then restart and find that small tube is freezing up right at the outdoor unit right away, my guess is its low on charge. I see that you put some in, make sure it is the right knid of refrigerant. they do not hold alot. Where is your suction pressure running. If you put 2 to 3 pounds with no change, you may have overcharged but that is telling you that there is a restriction in the line inside the outdoor unit, probably the filter if it has one, or the metering device itself. Let me know what you find.

check the filters maybe its full of dirt.