Labconco TXE Tall XPerEnclosure 3892022 - Manual (Page 43)

Chapter 8: Troubleshooting
Product Service 1-800-522-7658 39
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 light switch.
Defective electronic ballast. Replace ballast.
Airflow monitor
malfunction. No power.
No lights.
No display. Power cable to circuit board is disconnected
and needs to be connected. Sensor cable needs
to be connected. Power supply is not plugged
into proper voltage; plug in power supply.
Verify that all airflow monitor interface cables
are connected. Check fuses on enclosure.
No audible alarm. Alarm has been temporarily silenced using
“SILENCE ALARM” or “enter” buttons.
Wrong alarm set point. Airflow monitor was not properly adjusted.
Repeat calibration steps outlined in this manual
in Chapter 6 or in the supplied Digital 1000
Monitor Manual.
Constant audible alarm. Check airflow and calibration of airflow
monitor. See Chapter 6.
Continuous alarm. Check the face velocity of the enclosure as the
airflow of the system may have changed. If
incorrect, adjust the speed control to increase
face velocity. The HEPA filter may have
become loaded. If face velocity is correct,
calibrate the airflow monitor outlined in this
manual in Chapter 6.
Monitor alarms; air way to
airflow monitor sensor is
blocked by insects, dust or
debris. Lightly clean the airway with clean air. Be
careful not to touch sensitive electrical
components.
Audible disable will not stay
operational. An alarm condition must be continuously
present before the audible alarm can be
silenced. If flow conditions fluctuate near the
alarm set point, the airflow monitor will
automatically reset it. Action should be taken
to bring the enclosure airflow into proper
operating parameters or adjust the alarm set
point lower.