Labconco Paramoun Ductless Enclosures 69636 Series, 6' Widths - Manual (Page 66)

Chapter 8: Troubleshooting
Product Service 1-800-522-7658 61
PROBLEM CAUSE CORRECTIVE ACTION
Lights do not work Lamp not installed
properly. Inspect lamp installation.
Lamp wiring
disconnected. Inspect lamp wiring.
Defective lamp. Replace lamp.
Light switch is defective. Replace membrane switch on control
panel.
Defective electronic
ballast. Replace ballast.
Airflow monitor
malfunction No audible alarm. Alarm has been temporarily silenced
using “mute” button.
Wrong alarm set point. Airflow monitor alarm is preset at 60
fpm. Repeat calibration steps outlined in
this manual in Chapter 3, Chapter 5 and
Chapter 6.
Constant audible alarm. Check airflow and calibration of airflow
monitor. See Chapter 5 & 6.
Continuous alarm. Check the face velocity of the enclosure
as the airflow of the system may have
changed. If incorrect, follow the
calibration steps in Chapters 3, 5 and 6.
The carbon filter pre-filter or HEPA filter
may have become loaded.
Low airflow. Check airflow and reset airflow monitor.
See Chapter 5 & 6. Look for filter
blockage or paper debris.