13
Drain the drain water from drain
water outlet on the back side of unit.
Alarm of full tank (Red)
Check if there is loose, disconnection,
short-circuiting on connectors at first.
If yes, please modify.
Always
Heat
Exchanger
is normal.
Heat Exchanger is
iced. There is an
ice which covers
more than 2/3 of
Heat Exchanger.
¡
Blockage of cooling cycle
¡
Lack of Refrigerant
¡
Malfunction of Fan Motor on
the side of cooling
Check of Thermistor
¡
7k
Ω
after the thermistor is heated by
body temperature (36.5 degree) for 5
min.
¡
Approx. 28k
Ω
after the thermistor is
soaked in to ice water for 5 min.
¡
Approx. 2k
Ω
difference is allowance.
Check of Thermistor
¡
7k
Ω
after the thermistor is heated by
body temperature (36.5 degree) for
5 min.
¡
Approx. 28k
Ω
after the thermistor is
soaked in to ice water for 5 min.
¡
Approx. 2k
Ω
difference is allowance.
Sometimes
Confirm if the unit is operated
after draining drain water.
Rotated.
Not rotated. It
is normal at the
time of Dry
mode operation.
Confirm if the Splasher disc is rotated
at the time of cooling operation.
It is not solved.
Normal if it is
operated.
Check if there is loose, disconnection,
short-circuiting on connector of Full
Tank Switch. Also check a loose,
disconnection and breakage of Float.
Malfunction of Drain Motor. Replace it
after check if the motor is malfunctioned.
Modify, if any.
120V output
No
Yes
Modify, if any.
No
Yes
PCB
malfunction
Thermistor
malfunction
Thermistor
malfunction
PCB
malfunction
No
Yes
No
PCB
malfunction
No
If there is a malfunction,
modify or replace the
Full Tank Switch.
No
malfunction
Check of Full Tank Switch
¡
Check if contact point switches when the switch is changed ON to OFF or OFF to On.
¡
Check if the connector wiring at Full Tank Switch side is correct or not.
Check if there is loose, disconnection,
short-circuiting on connector of Drain
Motor.
The unit is normal. Please check the following.
¡
Window is opened.
¡
The unit is set in a too large room.
¡
There is a device which generates humidity.
Check of voltage of terminal for
Drain Motor on Main Circuit
Board. Check this procedure by
cooling mode operation.
Malfunction of Thermistor on
Heat Exchanger (Please
check if the environmental
temp. is too low or not.
Malfunction of Room
Thermistor
(Blue)
(Blue)
TROUBLESHOOTING
by Error indication on model TAD-T32G
TAD-T38J (Service Manual) 08.5.23 10:50 AM ページ 13