- 37 -
Trouble
Cause
Measure
Overflowed water is
not drained from the
overflow port of
bottom humidification
tray, and the drain
port at the bottom of
chamber.
The drain hose is twisted.
Layout the tube connection not to get
the resistance of water level.
The drain hose end soaked.
The strainer of drain port at the bottom
of chamber is slogged.
Clean connected tubes referring to the
chapter [Preparation] on P.42.
The tray for drained water is placed at
higher than the drain port of unit.
Place the receiver at lower place then
the drain port.
The controlled
humidity fluctuates.
(It deviates
±
3%RH
or more.)
Pour water over all of wet-bulb wick.
The wet-bulb wick is not wet enough.
The wet-bulb wick is dirty.
Replace it with new one.
Replace the wet-bulb wick at least
once in a month.
The humidity is out of the control range.
Check [Humidification control range]
on P4. Set the value within the range.
The source voltage is not stable.
Connect the unit to another AC outlet
that has stable voltage.
The ambient temperature fluctuates
due to wind flow from an air conditioner.
Move the unit to some other place
where no wind flows.
Breakout of abnormal
noise
The circulation fan of chamber breaks
down.
Stop using the product immediately
and call your local dealer or closest
customer service center.
The fan motor for condenser breaks
down.
The refrigeration unit breaks down.
The solenoid pump starts.
The noise “gee” indicates the operation
of solenoid pump. It is normal unless it is
higher.
Alarm message is
indicated and alarm
lamp illuminates.
Refer to the clause [Alarm function] on
P15.
A
la
rm
m
e
s
s
a
g
e
i
s
i
n
d
ic
a
te
d
.
Overheat of
chamber is
indicated.
- Alarm message
[TH] blinking
All controls stops.
Overheat of top
heater for
humidification is
indicated.
- Alarm message
[TH1] blinking
All controls stops.
Overheat of
bottom heater for
humidification is
indicated.
- Alarm message
[TH2] blinking
All controls stops.
The overheat protector for the
temperature inside the chamber works.
The boil-dry protector for top heater for
humidification works.
The boil-dry protector for bottom heater
for humidification works.
Stop using the product immediately
and call your local dealer or closest
customer service center.
Stop using the product immediately
and call your local dealer or closest
customer service center.
Set the overheat protection temperature
to
＋
10
℃
of set point when the
temperature control is run within the set
temperature
～
80
℃
.
Turn the knob of protector clockwise
fully (93
℃
) when running at higher than
80
℃
.
