Download OTR Module Instructions for Use

Problem
Micromotor changes
speed on its own.
Micromotor does not
stop.
“OH” is displayed and
power cannot be turned
off
Check Points
Is the unit set for Slow Down?
Set for Auto Torque Slow Down?
Set for 800 rpm?
Micromotor does not stop even if file
is out of a root canal.
Response
Change the Slow Down setting to Normal.
Turn off Auto Torque Slow Down.
When set for 800 rpm, reverse speed is 600 rpm.
In manual mode, the file rotation does not stop
even when the file is out of the root canal.
Set for reverse rotation?
Press Set switch.
Micromotor keeps running even
when it’s not in manual mode.
The micromotor will operate in reverse if the
contrary electrode and file touch each other.
Is foot switch depressed?
File still keeps rotating.
Has motor been used for a long time
or for a heavy load?
Is motor hot?
Release foot switch.
Defective PC Board.
If the motor overheats, the power will not go off
until the motor cools off. The power will go off
automatically once the motor cools off.
Error Codes
There may be something wrong with the instrument if any of the following error codes appear.
appear repeatedly, contact your local dealer or J. Morita regional office for repairs.
If any of these
Module
Code*
Cause
F01
Defective canal measurement circuit
F02
Defective off relay for the AC adapter
F03
Defective EEPROM
F04
Transmission Defect
Measurement
Handpiece
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* Error Code
47
Operation
2014-07-22