Troxler NTO Appendix A–3
A. MAINTENANCE
& SERVICE
THE SCALE SHOWS ERRATIC READINGS
Ensure that the baskets do not touch the side of the sample
chamber.
Contact a Troxler representative for further information.
OVEN DISPLAYS: WARNING! Clean NTO Exhaust
System. See Operation Manual for details. Press ENTER
To ensure the continued safe and efficient operation of the oven, the
exhaust system should be cleaned regularly. The oven monitors the
total burn time that has elapsed since the last cleaning. Upon
completion of a burn cycle, if this elapsed time exceeds 1050
minutes, the oven displays the warning shown above. When this
warning is displayed:
Press 〈ENTER〉 to complete the current operation.
Clean the exhaust plenum box and fan blades as described on
page A–5.
OVEN SMOKES EXCESSIVELY OR SHOWS SYMPTOMS
OF RED
UC
ED AIRFLOW
Check the air ducts for blockages.
Clean the exhaust plenum box and fan blades as described on
page A–5.
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