Labconco Purifie Horizontal Clean Benches 3970424 - Manual (Page 47)

Chapter 8: Troubleshooting and Servicer Operating Log
Product Service 1-800-522-7658 43
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.
Poor internal Class
5 air conditions Enclosure sash not
closed. Close sash.
HEPA filter
clogged. Replace HEPA filter or increase speed.
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.
Light does 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.
UV closure panel not
installed . Install UV closure panel (UV lights only).
Magnetic switch for
UV closure panel
defective. Replace switch (UV lights only).
UV timer circuit
board defective. Replace circuit board (UV lights only).
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.”