User`s guide
 Troubleshooting guide    
Zpen User’s Guide   
48 
 Appendix B 
Troubleshooting
guide
TYPE  PROBLEM DESCRIPTION  WORKAROUND 
The PC does not recognize the receiver after 
plugging it in 
i) Change USB port and retry 
ii) Restart the receiver by pressing the reset 
button (back of the receiver) Getting 
started 
Receiver’s error LED (right most LED) is blinking 
Recharge the receiver for the first time (about 
6 hours) 
Receiver’s error LED (right most LED) is blinking 
i) Low battery – recharge the receiver 
ii) The receiver’s memory is full 
After plugging in the receiver to the computer, 
the power LED is off (and not blinking, as it 
should be) 
Replace the USB port on your computer or try 
to recharge it on a different computer 
All lights are on and the receiver does not 
respond 
Restart the receiver by pressing the reset 
button (back of the receiver) 
Receiver turns off immediately after turning it on  Charger the receiver for at least one hour and 
try again; if the problem persists, press the 
reset button (back of the receiver) 
Receiver 
Receiver does not turn on  Charger the receiver for at least one hour and 
try again; if the problem persists, press the 
reset button (back of the receiver) 
When writing, pen down LED (middle LED) does 
not turn on 
i) Clear line-of-sight between the pen and 
receiver 
ii) Do not block the crystal cone 
iii) Replace pen batteries 
Pen 
Pen LED (middle one) starts blinking rapidly  Pen batteries are running low 










