Permobil C 300 joystick showing joystick error and code 0E00 how to correct?

<p><b><span>Pride Joysticks and others that use VSI joysticks</SPAN></B><br><p><b><span>SLEEP MODE</SPAN></B><br><p><span>Your VSI controller has a sleep mode feature. Sleep mode is a built-in circuit </SPAN><span>that automatically shuts off the main power if the joystick is not moved </SPAN><span>in any direction for a period of time predetermined by controller program.</SPAN><br><p><span><b>The battery condition meter lights on the keypad indicate sleep mode by </b></SPAN><span><b>blinking once every five seconds.</b> To restore power and continue, push the </SPAN><span>on/off key twice.</SPAN><br><p><span> </SPAN><br><p><b><span>Lock Mode</SPAN></B><br><p><b><span>To unlock the VSI:</SPAN></B><br><p><span>1. Press the on/off key and power on the VSI. <b>The maximum speed/profile </b></SPAN><span><b>indicator should ripple side to side</b>.</SPAN><br><p><span>2. Push the joystick to the full forward position until the VSI beeps.</SPAN><br><p><span>3. Pull the joystick to the full rearward position until the VSI beeps.</SPAN><br><p><span>4. Release the joystick. There should be a long beep.</SPAN><br><p><span>5. The VSI is now unlocked.</SPAN><br><p><span> </SPAN><br><p><i><span>Invacare and others that use SPJ+ joysticks</SPAN></I><br><p><i><span></SPAN></I><i><span>FOR SPJ+ Joysticks</SPAN></I><br><p><i><span><b>Lock Mode will be indicated by all LEDs</b></SPAN></I><br><p><i><span><b>flashing briefly and the information gauge</b></SPAN></I><br><p><i><span><b>LEDs chasing slowly from right to left</b>. If</SPAN></I><br><p><i><span>this occurs, press the horn button two times</SPAN></I><br><p><i><span>within ten seconds to unlock the joystick.</SPAN></I><span></SPAN>