Kaye LTR -90 Operating Manual
41
Chapter 7. Maintenance and Troubleshooting
7.3
Troubleshooting
In the event that the Product functions abnormally, Table 17 can help find and solve the problem. Several possible
problem conditions are described with likely causes and solutions. If a problem occurs, please read this section
carefully and attempt to understand and solve the problem. If the Product seems faulty or the problem cannot otherwise
be solved, contact Amphenol Advanced Sensors Customer Service for assistance. Be sure to have the instrument model
number, serial number, and voltage available.
Table 17: Troubleshooting Chart
Problem
Causes and Solutions
The instrument does not turn on.
Cause:
Check the fuses
Solution:
If a fuse blows, it could be because of a power surge or a component
failure. Replace the fuse once. DO NOT replace the fuse with one of a higher
current rating. Always replace the fuse with one of the same rating, voltage,
and type. If the fuse blows a second time, it is likely caused by failure of a
component part.
Cause:
Power Cord.
Solution:
Check that the power cord is plugged in and connected to the
instrument.
Cause:
AC Mains Power.
Solution:
Insure the circuit that supplies power to the instrument is on.
Blank display. The instrument
powers up and the fan turns on, but
the display is blank.
Cause:
Contrast.
Solution: C
heck the screen contrast. Toggle the down arrow key to see if the
screen contrast darkens.
If the contrast is not the issue, contact Amphenol Advanced Sensors Customer
Service
The instrument heats or cools
slowly.
Cause:
Scan Rate.
Solution: C
heck the Scan Rate settings. The Scan Rate may be set at too low a
rate per minute for the current application.
The display shows an abnormal
temperature.
Cause:
The sensor is disconnected, open or shorted.
Solution: P
lease contact a Service Center for further instructions.
The display shows CUTOUT.
Cause:
Cutout limit was exceeded.
Solution: I
f the Metrology Well exceeds the temperature set in the soft cutout
menu, or if it exceeds the maximum operating temperature of the instrument, a
cutout condition occurs. If this happens, the unit enters cutout mode and will
not actively heat or cool until the user issues the command to clear the cutout or
resets the instrument. See “Reset an Over-Temperature Cutout” in Chapter 6.
Summary of Contents for LTR -90
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