D01016 Revision D
– 20210115
- Page
13
of
14
VII. Troubleshooting
Troubleshooting Guide
Problem
Possible Causes
Corrective Actions
Power LED does not
light up
Unit is not receiving power
Plug unit into controller
Set “humidification increase” switch on
controller to “on” position
Check that the controller is turned on
Check that the humidification set point is above
the current humidity
Electrical issue resulting in
LED not lighting
Contact ETS for unit repair
Power supply connection not
reaching board
Board short circuiting
Red “
LOW WATER
”
light stays on
Water basin is empty
Check if water tank latch is turned to “on”
position
Check if basin drain is turned to “closed”
position
Check if water tank has at least 1 gallon of
water
Ensure that water tank is located above basin
Ensure that small white cap on water tank is
loose
Power LED is Green,
but no mist is being
generated after 3
seconds
Electrical issue resulting in
improper distribution of power
in unit
Contact ETS for unit repair