Call Service Person F0 - Kyocera Mita FS 3800 Laser Printer

F0 Gathering Refrigerant / Unit is low on refrigerant (Leak).
time to call for service which probably not happen today
copy and paste

https://acerrorcode.com/blueridge-air-conditioner-error-codes.html

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Hope this will help.
If the display reads "F0" , check the following operating conditions. Outlet voltage should be 115V±10% and the
surrounding temperature should be with in the range of 41 °F (5 °C) to 90 °F (32 °C). Unplug the unit and plug it in
again under normal operating conditions. If the "F0" code persists, contact your Authorized Service Center.

Hello,

The F0 error code means that the control board has detected a defect within the control board itself, the F0 code can be cleared by pushing the CANCEL/OFF button and if it goes away and returns all is well,however if a short time later the F0 returns the control board would need to be replaced.


GENE

http://acerrorcode.com/shinco-air-conditioner-error-codes.html

The F0 error code can be different depending on the brand and model range you have. The most common cause for this error is a shorted or stuck touchpad. This web site http://www.repairclinic.com/0078.asp has a listing of the error codes for many different manufacturers. Go to this website and find the manufacturer of your range and see what the F0 code is. If it is a stuck or shorted keypad error you could try disconnected the touchpad connector to the ERC for about a minute and see if that clears it up. This would require you to dis-assemble the back panel of the range and unplug the power before doing any service to the range. You could also check the touchpad buttons and see if any are stuck.

Do not recognize a F0 code only F1-F10. Recommend unplugging and replug.

you can also put a piece of paper between the ribbon cable where it joins up before the connector. It has been reported that the cable will short in this area. Try that before spending more money since most of the F-codes appear to be cable related.

The fault code "F0" is indicating a possible stuck or shorted key pad or oven control board failure.
Determine if the problem is with the key panel or the oven control board by:
1. Pushing Clear/Off pad.
2. Disconnecting the Ribbon Cable Connector from the control board and waiting at least 32 seconds to see if the Code recurs.
If the code recurs, problem is in the control. Replace control.
If the code does not recur the problem is the Key panel and it would need replaced.
This test is normally done by an experienced service technician to avoid any possibility of getting shocked. This has to be done with voltage applied to the wall oven. Extreme caution should be exercised while testing.
I recommend calling a service technician to diagnose and repair your oven.

Oliversmom, Im not coming up with any information on the model number posted. However on the kitchenaid the F0 E0 is default for no error. Press the cancel button to put the range in idle state. Then in this order press cancel-cancel-start. See if an error code comes up different from the F0 E0. The F0 is what is throwing this whole deal off. If it was F1, F2, F3 etc...it would make more sense. See if you have a complete model number you can post along with the error code after doing the above key dance. We'll see if we can solve the issue....Catriver..post back.