- 36 -
Trouble
Cause of trouble
Countermeasure
The temperature does
not reach to the set
point.
The air circulation in the chamber is not
sufficient due to cramped conditions of
sample.
Reduce the quantity of samples and
vessels.
The overheat protector works. (Refer to
P.15, 16.)
See the clause [TH] (Over heat) alarm.
Set the temperature for over heat protector 10
℃
higher than the setting temperature for temperature
controller while the temperature inside the chamber
is between the setting value and 80
℃
. If the setting
value is higher, set the knob at maximum (93
℃
).
Keep the ambient temperature higher
than 5
℃
.
The ambient temperature is lower than 5
℃
.
The internal water
supply tank is not
supplied water. (The
level monitor does not
raise.)
[Water Supply] key is turned off.
Turn on the [Water Supply] key.
The external water supply tank is empty.
Supply the purified water.
The external water supply tank is set at
low place.
Use a supplied rack for external water
supply tank. (Refer to the chapter
[Preparation] on P.22.)
The water supply hose includes air.
Remove air by referring to the chapter
[Preparation] on P.22.
The wet-bulb wick
holder is not supplied
water.
The attached algae increases in the
connected tubes for water supply.
Some parts of tube is clogged.
The strainer of the internal tank tube is
clogged.
Clean connected tubes referring to the
chapter [Preparation] on P.42.
Or call your service agent.
The solenoid pump breaks down.
Stop using the product immediately and call your
local dealer or closest customer service center
The water supply hose connected from
the solenoid pump includes air.
Open the ventilation cover and s
quash
several times to remove air.
Water overflows from
the wick holder and
humidification tray,
and piles up in the
chamber bottom.
The unit is tilted toward too much.
Lower the back level adjusters about
5mm.
The humidification
control does not start.
The set humidity is 0.0%RH.
Set the humidity.
The [Manual Drain] key is turned on.
(Force draining mode is active.)
Turn off the [Manual Drain] key.
Attach the wet-bulb wick by referring to
P27.
The internal water supply tank is empty.
Supply the purified water.
The wet-bulb wick is not attached.
Refill the water or replace it with new
one. Refer to P.27.
The wet-bulb wick is dried.
Adjust the unit horizontally by referring
to the chapter [Installation] on P20, and
[Humidification] on P33.
Water is not enough in the wet-bulb wick,
and it is dried.
The temperature is set to lower than
5.0
℃
.
Set the temperature by referring to
[Humidity control range] on P4.
Observation window
has dew condensation
Condensation is formed depending
on setting temperature, ambient
temperature and the temperature
inside the chamber.
Refer to Page 45. When the exposed
surface on the window has dew formation,
wipe it off with soft cloth depending on
the situation.