50
Operating instructions XENOTEST BETA+
9.
Troubleshooting
9.1
Error messages and correction
Error message
Correction
Unable to reach irradiation intensity
setpoint (E).
Maximum permissible program parameter deviation set too small.
Time to error message generation set too short.
Adjust XENOSENSIV sensor as required.
Clean the filters.
Check that the correct filter system is being used.
Check that the correct filter system is programmed.
Check the age of the xenon bulb.
Replace the filters.
Unable to reach black standard
temperature (BST).
Program parameter deviation set too low.
Time to error message generation set too short.
Check blower speed.
Check irradiation intensity.
Check XENOSENSIV sensor with black standard temperature sensor
and adjust as required.
Unable to reach setpoint sample
chamber temperature (SCT).
Black standard temperature set too low.
Time to error message generation set too short.
Invalid program parameters.
The following error messages may be displayed after pressing the
START key:
- Program for sensor-free operation
- Program for sensor operation
- Program for other filter system
Correct problem according to the instructions below. If no error
message is displayed, reenter the program.
Program for sensor-free operation.
Check that the connecting plug is firmly seated.
Program for sensor operation.
Check that the XENOSENSIV sensor is installed.
Xenon bulb too old. Unable to reach
irradiation intensity with current filter
system.
Clean the filters.
Check that the correct filter system is used.
Check that the correct filter system is programmed.
Check the age of the xenon bulb.
Replace the filters.
Check the XENOSENSIV sensor:
Check the selected filter system and irradiation intensity in the test
program.
Program for other filter system.
Water to humidifier colder than 18 °C. Wait until water temperature
rises during operation.
Humidifier output limit reached. Refer to Section 7.4 for humidity limit
chart.
Unnable to reach setpoint humidity.
Maximum permissible black standard temperature set too low.
Check blower speed.
Check irradiation intensity. Check XENOSENSIV sensor and adjust
as required.
Max.black standard temperature
exceeded.
Tab. 5-1