64
Chapter 8: Troubleshooting
PROBLEM
CAUSE
CORRECTIVE ACTION
Blower won’t
operate.
Unit not plugged
into outlet.
Plug the enclosure into appropriate
electrical service.
Circuit
breaker(s)
or Ground Fault
Interrupter.
Reset circuit breaker.
Blower wiring is
disconnected.
Inspect blower wiring.
Blower switch is
defective.
Replace switch.
Motorized
impeller
or blower is
defective.
Replace motorized impeller or blower.
See Chapter 6.
Low face velocity
or poor
containment of
contaminants.
Enclosure sash not
closed.
Close sash to the lowest position.
HEPA
filter
clogged.
Replace HEPA filter or increase speed.
Carbon filter loaded
with chemicals.
Replace carbon filter.
Blower and lights
won’t operate.
Unit not plugged
into outlet.
Plug enclosure into appropriate
electrical service.
Circuit
breaker(s)
tripped.
Reset or replace circuit breaker.
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. Verify that all airflow
monitor interface cables are connected.
Check fuses on enclosure.
No audible alarm.
Alarm has been temporarily silenced
using “SILENCE ALARM”.
Summary of Contents for 3980200
Page 2: ......
Page 13: ...8 Chapter 2 Prerequisites ...
Page 17: ...12 Chapter 3 Getting Started Figure 3 1 Filtered Enclosure Installation ...
Page 67: ...62 Chapter 7 Accessorizing and Modifying Your Filtered Enclosure ...
Page 82: ...77 Appendix C Filtered Enclosure Specifications C 1 ...
Page 83: ...78 Appendix C Filtered Enclosure Specifications C 2 ...
Page 84: ...79 Appendix C Filtered Enclosure Specifications C 3 ...
Page 85: ...80 Appendix C Filtered Enclosure Specifications C 4 ...
Page 92: ...87 ...
Page 93: ......