User's Manual
18
16. Trouble Shooting
Phenomenon Possible Cause Check Point Action
Wrong channel setting on
transmitter or receiver
Dip Switch on receiver
and transmission
Correct the channel
Low battery of the
transmission
Check by battery
checker
Replace battery if NG
Battery installed in a wrong
position
Check the polarity of the
battery
Battery misplaced in the
case
Check the battery
position
Set the battery in the right
position horizontally in the
case.
Not Receiving
Noise Check the receiving
condition
Keep away the transmitter
and the receiver from the
noise source.
Loose or disconnected
transmitter antenna and
connector.
Plug the antenna firmly.
Replace the antenna if
disconnected.
Insulation failure of the
transmitter antenna and
connector.
Check the antenna and
connectors.
Failure of receiver placing Any steel columns or
metal pipes near the
receiver?
Remove the receiver or use
FM-COD and FM-MBX
Short
Transmission
distance
Noise Check the receiving
condition
Keep away the transmitter
and the receiver from the
noise source.
Please check a transceiver state periodically.
If there are any questions, please contact a Tohnichi authorized distributor or
Tohnichi office.










