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TROUBLESHOOTING GUIDE
PROBLEM
Fan will not turn on
Blue OPTIC 1 or
OPTIC 2 indicator
light will not light up
Optic not
functioning
Reduced Hydroxyl
Production
POSSIBLE CAUSE
MDU™/RX Unit is not plugged
into an energized electrical
receptacle.
Internal component failure.
MAIN POWER switch is in the
OFF position.
Optic has failed.
Blue LED has failed.
Internal component failure.
Rated life of optic has been met.
Optic has been damaged.
Internal component failure.
Dirty filter or internal
component.
Ensure circuit breaker is 'ON' and the
electrical receptacle has proper power
available.
Contact local distributor for service.
Turn on MAIN POWER switch to the ON
position.
Contact local distributor for service.
Contact local distributor for service.
Contact local distributor for service.
Contact local distributor for replacement
optic service.
Contact local distributor for replacement
optic service.
Contact local distributor for service.
Ensure filter and internal components are
cleaned as per the instructions in this
manual.
9
SOLUTION
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