User's Manual
Page 52
9. Trouble Shooting Tips 
Problems Possible Reasons  Suggestions 
Transmitter low battery  Check the transmitter battery level. 
Emergency stop button 
activated prior to startup 
Prior to turning on the transmitter power 
make sure that the red emergency stop 
button is elevated. 
Improper startup procedure Redo the startup procedure. 
Incorrect system channel 
Check and make sure the transmitter 
and receiver are with same channel. 
Incorrect system serial 
number 
Check and make sure the transmitter 
and receiver are with same serial 
number. 
No response when 
transmitter is in 
operation 
 (Improper startup & 
settings) 
System out of range 
Make sure the startup procedure is 
initiated within 100 meters from the 
receiver location. 
Defective transmitting and 
receiving module 
Check the SQ display on the face of the 
receiver unit. If it does not light up when 
operating the transmitter then either the 
transmitting or receiving module is 
defective. Replace the transmitting 
module first then the receiving module. 
No response when 
transmitter is in 
operation 
(Damaged hardware) 
Defective encoder 
board or decoder module 
If still no response after replacing the, 
transmitting and receiving modules then 
replace the transmitter encoder board. If 
still doesn’t work then the decoder 
module is defective. 
Incorrect input voltage 
Make sure the source voltage is set 
correctly. 
Blown fuse  Check for any blown fuse. 
No AC power to the 
receiver 
Incorrect wiring  Check input voltage connection. 
Outputs do not 
correspond to 
transmitter 
Incorrect output connection Check the system wiring again. 










