31
Fault Isolation
Condair TE
7.5
Troubleshooting
7.5.1
Humidifier does not operate
Remote Controller
Display
Possible Cause of Failure
Action
All indicator lights
are not illuminated
The humidifier power source's leakage current circuit breaker
is OFF or a power outage has occurred
Supply power from the power source
The correct power source type (120 VAC) is not being used
Confirm and rectify
The unit is toggled to OFF on the remote controller (operation
button has not been pressed)
Press the operation button
A fuse (in the control unit) has blown
Contact Condair
Board power switch SW1 is toggle to OFF
Toggle board power switch SW1 to
ON
Alarm indicator
light blinks
Address setting has not been carried out
Carry out address setting (refer to the
installation manual)
Normal indicator
light displays
The fan does not operate during the initial water supply phase
(10 min. duration)
This is normal; the fan will begin
operating after the initial water supply
phase is complete
Power indicator
light blinks
The light is blinking slowly (0.5-sec. intervals) to indicate a
water supply unit operation count of 950,000
Press and hold the operation button
for 10 sec. or longer to cancel;
Prepare a new a water supply unit
The light is blinking quickly (0.1-sec. intervals) to indicate a
water supply unit operation count of 1 million
Replace the water supply unit
7.5.2
Humidifier is operating but humidification is insufficient
Remote Controller
Display
Possible Cause of Failure
Action
Normal indicator
light displays
The fan speed is set to low
Switch to high fan speed
The water supply service valve is closed
Open the water supply service valve
Holes in the water supply strainer are clogged, which reduces
supply water volumes
Clean the water supply strainer
Supply water pressure is too low, resulting in insufficient sup
-
ply water volumes
Confirm and rectify
Water supply has been cut off
Confirm
The humidistat setting is too low
Confirm settings
The humidistat is malfunctioning (contact does not switch to
ON)
Repair or replace
Fan air output is low due to filter clogging
Clean the filter
The humidification module has become dirtied, reducing
its ability to absorb water and thus reducing humidification
performance
Clean or replace the humidification
module
A water supply header nozzle(s) has become dirtied, prevent
-
ing even dripping of supply water (inconsistent distribution)
Clean the water supply header
nozzle(s)
A water supply header nozzle(s) has become clogged,
preventing supply water from being dripped from the affected
nozzle(s)
If no improvement is seen after trying
the above response measures: Con
-
tact Condair (for purposes of remov
-
ing the header nozzle clog(s))
No supply water is dripping down from any of the water supply
header nozzles, or only a very small amount is dripping down
Clean the water supply header
nozzle(s)
Orifices within the supply water hose are clogged, resulting
in no or very little supply water drip from the water supply
header
If no improvement is seen after trying
the above response measures:
Contact Condair (for purposes of
removing the clogging or replacing the
supply water hose)
A reason not listed above
Contact Condair