Ws 2800 no display rain - La Crosse Technology TX58UN-IT Wireless Replacement Rain Gauge for WS-2800 Series Weather Stations

I had this problem and after 7 days I've heard nothing back from LaCrosse. Problem appears to be a non-functioning magnetic reed switch inside the circuitry housing. It's easy to remove the cover with a tiny phillips screwdriver (mind the small and delicate gasket/o-ring). Then the circuit board is held in with two more tiny philips screws at the bottom of the housing. Removing and replacing the switch will require a low-wattage soldering pencil. I used a Standex-Meder part number ORD228VL-1015 from Digi-Key. Only a couple $, cheap, fast shipping. It appears to be an EXACT replacement.

I tried this and it worked fine
FACTORY RESTART:
A Factory Reset will erase the connection between the Display and the Thermo-hygro sensor and allow a fresh connection to be re-established. It is recommended to have the display and all sensors 5-10 feet apart for this restart.

ENTER PROGRAM MENU
Press and hold the SET button until you enter the program menu. Press and release the SET button until you see 'rES oFF' flashing.

FACTORY RESET ON
Use the UP ARROW key or DOWN ARROW key to turn rES on.

CONFIRM & COUNTDOWN
Press the SET key to confirm and a countdown timer will begin counting down from 127. When the timer displays dOnE, you must remove the batteries from the display for 10 minutes

REMOVE BATTERIES FROM THERMOHYGRO AND RAIN
While the batteries are out of the display, also remove the batteries from the Thermo-hygro sensor and the Rain sensor. Wait 15 minutes.

GENTLY KEY THE WIND SENSOR
Gently key the wind sensor one time to activate the sensor.

INSTALL BATTERIES INTO THERMOHYGO AND RAIN
Insert fresh alkaline batteries into the Thermohygro sensor and Rain sensor make sure to check polarity with the markings on the battery cover and inside the battery compartment. Wait 2 minutes.

INSTALL BATTERIES INTO DISPLAY: Insert fresh alkaline batteries into the Display. Make sure to check polarity with the markings inside the battery compartment
15 MINUTES: Wait 15 minutes for the outdoor weather data to display. If the outdoor data displays dashes after waiting for 15 minutes, repeat the steps of restart.
AZ Road Runner

Keep in mind TX37U-IT should only be installed out of direct rain or sun. It could be heat or water damaged. The WS-9133U-IT shouldn't be at fault.

this is the link to download the drivers
http://www.csd.toshiba.com/cgi-bin/tais/support/jsp/modelContent.jsp?ct=DL&os=&category=&moid=1073769836&rpn=&modelFilter=2800-S201&selCategory=3&selFamily=1073768663

Open the drum cover and hold down CLEAR for 10 seconds.

For the entire display to be lit up you most likely have a shorted display driver IC. That type of IC is usually a surface mounted flat pack type that even an experienced technician often has a tough time replacing without damaging it. I would recommend that you get a shop to do that swap, or you could spend more money damaging replacement parts than most any shop would charge to make that repair.
Good luck.

what does the display read. If you want the fax to auto answer. the display needs to read ( fax only). to chang this setting if not reading that massage press the receive mode button till fax only is in the display

My 1510-IT came with a faulty battery cover top for the rain guage. There should be a metallic clip mounted to the cover to tie the 2 batteries together electrically. Mine had nothing there. I soldered a wire between the 2 batteries and used some cardboard under the cover to make sure the batteries were pushed down into their holder. Problem solved!

I can't imagine this is systemic but it happened to me.

uplug from the wall and replug to remedy this problem

Had similar problem. Found the disk was not rotating. Adjusted the torque on the hold down screws of the drive unit allowed the disk to spin. Still had some motor noise, but DVD would load.