TER Ceska
Flex EX 4, Flex EX 6
Instruction manual
11. TROUBLESHOOTING TIPS
Problems
Possible Reasons
Suggestions
No response when
transmitter push button is
pressed
(Improper startup & settings)
Transmitter low battery power
Check the transmitter battery level.
Emergency stop button activated
prior to startup
Prior to turning on the transmitter power switch make
sure that the red emergency stop button is elevated.
Improper startup procedure
Redo the startup procedure by holding the power key at
„START“ position for up to 2.0 seconds and then release.
Incorrect system RF channel
Check and make sure that the transmitter handset and
receiver unit both have the same channel.
Incorrect system serial
number/ID code
Check and make sure that the transmitter handset and
receiver unit both have the same serial number/ID code.
System out of range
Make sure that the startup procedure is initiated within
100 meters from the receiver location.
No response when
transmitter push button is
pressed (Damaged hardware)
Defective transmitting and
receiving module
Check the SQ display on the face of the receiver unit. If it
does not light up when the push button is pressed then
either the transmitting or receiving module is defective.
First replace the transmitting module. If SQ display is still
not lit when the push button is pressed then go ahead
and replace the receiving module.
Defective encoder board or
decoder module
If still no response, then replace the transmitter encoder
board. If still doesn’t work then the decoder module is
defective.
No AC power to the receiver
Incorrect input voltage
Make sure the source voltage is set correctly.
Blown fuse
Check for any blown fuse.
Incorrect wiring
Check input voltage connection.
Outputs do not correspond to
transmitter
Incorrect output connection
Check the system wiring again. Please refer to the output
contact diagram inside this manual or on the receiver
cover.
Page 23 of 27
December 2015
