EXFO TG-300B Tone Generator - Manual (Page 18)

Troubleshooting 13
4 Troubleshooting
This chapter presents a description of the codes appearing on the unit display. It also
gives you information on help accessible through the Web site and on how to reach
the technical support service.
Display Code Description
Code Description Solution
COLd The temperature is lower than
the operating range values. Try to elevate the temperature
of the area you are working in.
HOt The temperature is higher than
the operating range values. Let your unit cool down and try
lowering the temperature of the
area you are working in
E.200 to E.255 The fiber is not properly set in
the alignment groove.
Push the switch upward and
install the fiber as described in
section Installing the Fiber in
the Alignment Groove on
page 6.
If it does not work, contact
EXFO technical support group.
bAT The batteries are too low. Replace the batteries or
connect the unit to the
AC adapter.
STOP
(TG-300B) The modulation amplitude has
become too low for operation.
OR
The four-hour period of
continuous operation has
expired. Remove the fiber from the unit
and reinstall it.
LOAd The unit is positionning the fiber.
nOnE There is no fiber.
OR
The fiber core is unknown.
- LO - There is no signal in the fiber.
OR
The signal in the fiber is too low.