32
Fault Isolation
Condair TE
7.5.3 Detection of high water level in the drain pan, water leakage, water supply sole-
noid valve leakage, or irregular drain pump discharge
Remote Controller
Display
Possible Cause of Failure
Action
Alarm indicator
light illuminates
Humidifier unit is not level
Confirm and rectify
The waste water drainage piping does not have a sufficient
downward gradient
Confirm and rectify
The drain pump piping or waste water drainage piping is
clogged
Confirm and rectify
There is a sharp bend/curve in the drainage piping, or an air
pocket(s) has formed in the pipes
Confirm and rectify
The humidification module has become dirtied, reducing its
ability to absorb water and thus causing water drops to scatter
Clean or replace the humidification
module
The water supply unit is leaking
Close the master valve and replace
the water supply unit
7.5.4
Water is leaking from the humidifier cover
Remote Controller
Display
Possible Cause of Failure
Action
Normal indicator
light displays
The water release cap on the bottom of the drain pan has
been removed or loosened
Reattach and tighten the water
release cap
Heat-insulating material inside the main unit has come off and
condensation has formed
Reattach the heat-insulating material
A problem with the pressure reduction valve has resulted
in excessive supply water, which has caused water drop
splashing
Contact Condair
Water is leaking from a connection(s) in the piping, annealed
copper tube and/or the supply water hose
Repair the problem
Dirtying of the drain pan has caused the waste water drainage
pump to become blocked up, resulting in waste water drain
-
age pipe clogging
Clean the drain pan or replace the
pan
The waste water drainage piping was not installed correctly
Confirm and rectify
The float switch is malfunctioning
Clean or replace the float switch
Limescale and/or dirtying of the humidification module has
reduced its ability to absorb water, causing water drops to
scatter
Clean or replace the humidification
module
Humidifier unit is not level
Confirm and rectify
The temperature difference between the in-room intake air
and air within the ceiling is 50 °F (10°C) or greater, resulting in
condensation
Confirm and rectify
Insufficient rinsing with water was carried out following clean
-
ing of the humidification module with cleaning agent, resulting
in scattering water drops
Rinse the humidification module with
water
A reason not listed above
Contact Condair
7.5.5
Abnormal sounds coming from the humidifier
Remote Controller
Display
Possible Cause of Failure
Action
Normal indicator
light displays
Supply water pressure is too high
Confirm and rectify
Pressure reduction valve vibration is causing the noise
Vent air from the piping
An air pocket has formed in the drain pump/drain pipe
Confirm and rectify
Filter clogging has resulted in abnormal fan noise
Clean the filter
A reason not listed above
Contact Condair
