22
Radio Frequency
Torque W
rench with Double
Tightening Detection
Symptoms
Causes
Corrective actions
The communication
status check LED
does not light up both blue
or red after the torque
wrench is activated.
The battery is dead.
Check the remaining battery life.
If the communication status check LED is
red, replace the battery with a new one.
No battery is put in the case.
Place a battery.
The switch function is abnormal.
Check the remaining battery life.
If the communication status check LED
is blue, there is a trouble in the switch
function.
Send it for repair.
The set group is wrong.
Check the settings on the setting BOX.
If there is any wrong setting, reset it.
The set ID is wrong.
The judgment code is wrong.
The Receiver is not powered on.
Turn the Power switch of the Receiver to
ON.
Radio wave environment problem
Change the group.
The receiving
distance is short.
There is a poor connection of the
antenna for the receiver.
Ensure that the antenna for the receiver is
installed to the connector.
The installation location of the
receiver is improper.
If there is a metal pole or iron piping close
to the antenna for the receiver, move the
receiver to a different place.
There is a shield between the
transmitter and the receiver.
Move the shield or the receiver to a different
place.
Radio wave environment problem
Change the group.
The receiving status is not
stable.
The setting of the double tightening
prevention timer is not proper.
Readjust the double tightening prevention
timer.
Radio wave environment problem
Change the group.
The settings
cannot be changed.
The unit is not in the setting mode.
Press the SET switch for 1 sec. to enter to
setting mode.
Multiple models are set in the
setting mode.
Set only one model to the setting mode.
LED lights or flashes even
if wrench is not activated.
* Except display status
of 7-11. LED Display
Messages
The battery is low for use..
Replace the battery to a new one.
* Periodically check the transmitting and receiving status.
* If you have any question, contact your nearest distributor or Tohnichi Mfg. Co., Ltd.
9. Trouble Shooting
Check the items in the table below and 7-11. LED display messages before judging that the device has a
breakdown. After checking the items, if the device still has a trouble, contact your nearest distributor or
Tohnichi Mfg. Co., Ltd.
After the torque
wrench is activated, the
communication
status check LED
flashes on and off
in red 3 times.
