background image

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

 after the thermistor is heated by 

body temperature (36.5 degree) for 5 
min.  

¡

Approx. 28k

 after the thermistor is 

soaked in to ice water for 5 min.

¡

Approx. 2k

 difference is allowance.

Check of Thermistor

¡

7k

 after the thermistor is heated by 

body temperature (36.5 degree) for 
5 min.  

¡

Approx. 28k

 after the thermistor is 

soaked in to ice water for 5 min.

¡

Approx. 2k

 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

Содержание TAD-T38J

Страница 1: ...SERVICE MANUAL MODEL TAD T38J TAD T38J Service Manual 08 5 23 10 50 AM b...

Страница 2: ...wever if the unit is to be used exclusively in one space the cooling efficiency will be enhanced by using the venting kit accessory which is included with the unit 2 OPERATIONAL FEATURES 1 COOLING OPE...

Страница 3: ...ertical louver Emergency ON OFF switch Front panel Air outlet grille Air intake grille HAF filter inside Charcoal filter inside Filter clamp inside Air intake opening Drain water outlet LCDI Power plu...

Страница 4: ...h signal indicator Clock indicator Timer setting indicator Timer ON OFF indicator C F indicator Set temp indicator Mode indicator Fan speed indicator Symbols Cooling mode High speed Dehumidify mode Fa...

Страница 5: ...power cord in any way DO NOT apply any excessive force or pressure to the power supply cord Make sure that the plug is free of dust DO NOT use an extension cord DO NOT turn on and off by inserting or...

Страница 6: ...OPERATING CYCLE MODEL OUTPUT POWER UNIT in FT2 V Hz V B T U GAL H A W CFM W uF V A W uF V W uF V W mm R22 lbs F lbs TAD T38J 20 W 16 1 2 D 36 H 508 W 418 D 915 H mm 210 280 19 5 26m2 115 60 104 127 13...

Страница 7: ...to set temperature The setting range is from 64 F 18 C to 90 F 32 C Note When choose AUTO DEHUMIDIFY or FAN MODE temperature setting button invalid Clock Set Controls Press CLOCK button LCD clock disp...

Страница 8: ...completed after one beep Default indicator Trouble shooting when environmental tempera ture indicator failures Please check the environmental temperature indi cator on PCB if it s assembled properly...

Страница 9: ...remove two screws from the top of the rear panel I to remove the front cover Lift up the front cover and disconnect the connecters of the circuit board 2 Remove six 6 screws from the back of the fron...

Страница 10: ...a power failure The plug is not connected The timer is unable to work The main switch has not been pressed The set temperature is too close to the room s temperature There is something blocking the s...

Страница 11: ...s dirt on a cooling unit it is important to perform a visual check first Part replacement is not necessary and accurate analysis cannot be performed with an unclean condition Check the refrigeration c...

Страница 12: ...sconnect the wiring of the load that is not moving from the main board apply voltage directly to the load to checkif the load is normal If the load is normal the problem is the main board Minimum set...

Страница 13: ...voltage It is not rotating It is rotating Normal Measure terminal voltage of main board Check drain motor rotation Drain motor malfunction Main board malfunction Operation stops due to full water TROU...

Страница 14: ...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 afte...

Страница 15: ...after 5 min of disconnection from power supply Normal if the unit is operated for 30 min after disconnection from power supply Operation Circuit Board is malfunctioned if the same problem happens wit...

Страница 16: ...oom temperature drops more than 2 F 1 C from the setting temperature the compressor stops D When the room temperature is 2 F 1 C lower than the setting temperature the compressor will not start E The...

Страница 17: ...72 F 68 F 22 C 20 C C Less than 66 F 19 C Compressor ON 9min 3min 9min 3min 6min 3min Selected fan speed Low Low Low INDOOR MOTOR SENSOR CN 3 CN 4 CN 5 P8 P1 R S T P2 P3 P4 P7 P6 P5 COM NO CN 2 CN 1 S...

Страница 18: ...t FM Indication lamp circuit Front panel Power supply cord Rear panel Intake air grille HAF filter Option Charcoal filter Filter clamp Front cover Air outlet grille Drain cap Exhaust duct hose Exhaust...

Страница 19: ...TOYOTOMI CO LTD 5 17 Momozono cho Mizuho ku Nagoya 467 0855 Japan www toyotomi jp New 3 08 Printed in Japan TAD T38J Service Manual 08 5 23 10 50 AM a...

Отзывы: