30 Ventilator
Test running
Symptom Check item Counter-measure
The product doesn't work Is power not supplied? Supply power
The product doesn't work through
you press the 'On' switch
Is air filtecr, total heat exchanger
clogged severely?
Follow cleaning and changing
method.
Are the PCB and remote
controller rightly connected?
Connect rightly PCB and remote
controller.
The fan doesn't run
Is the outdoor temperature the
limit temperature?
(Less than -10 °C (14 °F), more
than 45 °C (113 °F))
Switch on Option No. 5.
Repower the product and check
whether it works or not.
Switch off Option No. 5. and
repower the product once again.
Even though you push the
button of remote controller, any
function doesn't work.
Is the icon " " displaying on
remote controller?
It's child lock mode.
Refer to remote controller.
The A-weighted sound pressure emitted by this product is below 70 dB.
** The noise level can vary depending on the site.
The figures quoted are emission level and are not necessarily safe working levels. Whilst there is a
correlation between the emission and exposure levels, this cannot be used reliably to determine
whether or not further precautions are required. Factor that influence the actual level of exposure of
the workforce include the characteristics of the work room and the other sources of noise, i.e. the
number of equipment and other adjacent processes and the length of time for which an operator
exposed to the noise. Also, the permissible exposure level can vary from country to country. This
information, however, will enable the user of the equipment to make a better evaluation of the hazard
and risk.
Airborne noise emission
In case of finding a problem at a test running
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