Check your hopper switch make sure the wires are plugged into the bottom two spades. If it is correct then try unplugging the two wire and connecting them together with a jumper wire or paper clip.
You could also try running the test mode pay attention to number 13.
Control Board Test VG5770 and the VG 5790
Version 1.3
Press and hold the mode button and temp arrow up simultaneously for approximately 3 seconds.
A number (1.3) will appears in the display. This will tell you the version control board you have. Press any button to move to the next step. Follow the below procedure:
1. SEGMENT LIGHT DISPLAY. PRESS ANY BUTTONJ TO MOVE TO THE NEXT STEP.
2. 8. FLASHES FROM LEFT TO RIGHT ON THE DISPLAY TESTING DISPLAY LIGHTS. PRESS ANY BUTTON TO MOVE TO THE NEXT STEP.
3. THE BAR GRAPH LIGHTS WILL FLASH FROM THE BOTTOM TO THE TOP. THEN IT WILL SWITCH TO THE RED LED ABOVE POWER OVER TO GREEN ABOVE POWER. THE DEGREE PUTTONS WILL LIGHT UP WITH FARENHEIGHT FIRST THWEN CALSIUS. TSTAT THEN MANUAL WILL LIGHT UP THE LIGHTS WILL BLINK IN THIS ORDER UNTIL YOU MOVE TO THE NEXT STEP. PRESS ANY BUTTON TO CONTINUE.
4. TEST THE LIGHTS OF CONTROL PAD. ALL LED’s WILL LIGHT UP. THE DISPLAY WILL SHOW 8.8. PRESS ANY BUTTON TO MOVE TO THE NEXT.
5. S1 WILL APPEAR IN THE DISPLAY TO CHECK POWER BUTTON. PRESS POWER BUTTON TO MOVE TO THE NEXT STEP.
6. S2 WILL APPEAR IN THE DISPLAY TO CHECK MODE BUTTON. PRESS MODE BUTTON TO MOVE TO THE NEXT STEP.
7. S3 WILL APPEAR IN THE DISPLAY TO CHECK THE TEMPERATURE ARROW UP. PRESS THE TEMPERATURE ARROW UP TO MOVE TO THE NEXT STEP.
8. S4 WILL APPEAR IN THE DISPLAY TO CHECK THE TEMPERATURE ARROW DOWN. PRESS THE TEMPERATURE ARROW DOWN TO MOVE TO THE NEXT STEP.
9. S5 WILL APPEAR IN THE DISPLAY TO CELSIUS/FARENHEIGHT BUTTON. PRESS THIS BUTTON TO MOVE TO THE NEXT STEP.
10. DR APPEARS IN THE DISPLAY. YOU WILL HEAR THE EXHAUST BLOWER RAMPING WITH THE DOOR SHUT, ON SOLID WITH THE DOOR OPEN. NO LIGHTS. PRESS ANYU BUTTON TO MOVE TO THE NEXT STEP.
11. RF WILL APPEAR IN THE DISPLAY ONLY IF THE LOW LIMIT IS BYPASSED OR NOT IN THE PROPER OPEN POSISTION. IF THE DISPLAY IS BLANK, THE LOW LIMIT IS OPEN (GOOD) ANF THE BLOWER WILL NOT COME ON. TO TEST THE ROOM BLOWER IF THE LIMIT SWITCH IS GOOD, YOU WILL HAVE TO BYPASS THE LOW LIMIT AND RERUN THE TEST. PRESS ANY BUTTON TO MOVE TO THE NEXT STEP.
12. IG APPEARS IN THE DISPLAY. NO LIGHTS. THE IGNITER SHOULD GET HOT. PRESS ANY BUTTON TO CONTINUE. (WILL NOT LIGHT IF THE HIGHER TEMPERATURE HAS TRIPPED).
13. AU APPEARS IN THE DISPLAY. NO LIGHTS. THE AUGER WILL FEED PELLETS. PRESS ANY BUTTON TO CONTINUE. (IF AUGER DOES NOT TURN, CHECK HOPPER SWITCH).
14. THE DISPLAY WILL SHOW THE TEMPERATURE READ OUT OF THE THERMOSTAT WIRE. THIS SHOULD BE CLOSE TO THE AMBIENT ROOM TEMPERATURE. PRESS ANY BUTTON.
YOU HAVE NOW FINISHED THE TEST. THE DISPLAY WILL BE CLEAR WITH A RED LED LIT ABOVE THE POWER BUTTON.
I'm not going to make a horribly long drawn out post about every problem I had with now 2 of these stoves unless people want more info but here's a review I posted on Tractor Supply and Amazon concerning these stoves and US Stove company. I purchased one of these VG-5790's from Tractor Supply...
www.hearth.com