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M5101-EN Rev. B |
9.2.4 Main Unit
Clean the unit with a dry or slightly damp lint-free cloth. Do not use sharp objects or aggressive
agents for cleaning.
Ensure that your cleaning agent cannot be a source of danger from a reaction with parts of the
machine or the materials inside it. If you have any questions regarding compatibility, please
contact our customer service.
The grill openings in the base and sides of the calibrator must be cleaned at regular intervals.
The cleaning intervals depend very closely on the air pollution at the installation site and the
daily operation duration. Clean the grill openings by vacuuming or brushing off. Air flow that
is too low can result in the temperature fuse getting triggered. The calibrator is then rendered
operationally disabled until reset.
During operation, small quantities of metal dust get created in the adapter sleeves and
calibration inserts, which can result in the measuring insert getting stuck in the calibration block.
To prevent this, pull the measuring insert out of the calibration block with the help of the insert
exchange tool and clean the measuring insert and the calibration block at regular intervals.
9.3 Troubleshooting
The following table details potential problems that you may encounter, which allows you to determine
the root cause and corrective action.
Problem Possible Cause Corrective Action
LTR-150 and
touch screen
unresponsive
Fuse has blown Replace both fuses even if only one is defective
Unknown
Power off unit, wait a few minutes, and then
power on
Fingers too cold or slick to allow
recognition on touch screen
Dry and/or warm up fingers
Touch screen is dim
or dark
Brightness setting too low Increase brightness setting.
Sensor damage
External reference sensor improperly or
not fully connected
Verify connection and unplug then reconnect, if
necessary
Sensor cable broken or has a short
circuit.
Contact Kaye for service
Fan not running
The fan is defective or blocked
The temperature switch may have been
triggered, switching off power supply to the heart
cartridge. Contact Kaye for service
Fuse has blown Replace both fuses even if only one is defective
End of temperature
is not achieved
Solid state relay is defective or heating/
cooling element has short-circuited or
aged
Contact Kaye for service
External reference sensor improperly or
not fully connected
Verify connection and unplug then reconnect, if
necessary
No display Controller defective Contact Kaye for service
Cannot
communicate with
Kaye AVS or Kaye
Validator 2000
Remote control not enabled. Enable remote control on the LTR-150
Physical interface cable connection
between units absent, improper, or
damaged
Ensure cable is present and properly secured. If
verified and problem persists then replace cable
Chapter 9. Maintenance and Troubleshooting
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