Detective Actuators:
Indoor unit Controller PCB
Room temperature thermistor
Detective details:
Room temperature thermistor is open or short is detected always.
Forecast of Cause :
1. Connector failure connection 2. Thermistor failure 3. Controller PCB failure
Check Point 2 : Remove connector and check Thermistor resistance value
Check Point 1 : Check connection of Connector
Check if connector is loose or removed
Check erroneous connection
Check if thermistor cable is open
>>Reset Power when reinstalling due to removed connector or incorrect wiring.
OK
OK
Trouble shooting 7
INDOOR UNIT Error Method:
Indoor room thermistor error
Check Point 3 : Check voltage of Controller PCB (DC5.0V)
Make sure circuit diagram of each indoor unit and check terminal voltage at Thermistor (DC5.0V)
If the voltage does not appear, replace Controller PCB.
H/E (MID) Thermistor
Room Temp. Thermistor
ARCG040LSTA
BLACK
BLACK
1
2
1
2
1 1
2 2
CN5
CN8
GRAY
GRAY
1
2
CN7
02-09
DC
Thermistor Characteristics (Rough value)
If Thermistor is either open or shorted, replace it and reset the power.
6.5
35
8.0
30
10.0
12.5
15.8
20.2
25.9
33.6
Resistance Value ( )
25
20
15
10
5
0
58.2
-10
44.0
-5
Temperature (°C)
Resistance Value ( )
4.3
5.3
45
40
Temperature (°C)
Indicate or Display:
Outdoor Unit : No indication
Indoor Unit : Operation lamp: 4 time Flash, Timer lamp: 1 time Flash
Economy lamp : Continuous flash.
ERROR CODE : [E : 41]
Содержание AOCG040LBTA
Страница 3: ...R410A SLIM DUCT type INVERTER 1 DESCRIPTION OF EACH CONTROL OPERATION ...
Страница 26: ...2 TROUBLE SHOOTING R410A SLIM DUCT type INVERTER ...
Страница 59: ...3 APPENDING DATA SLIM DUCT type INVERTER R410A ...
Страница 67: ...3 3 17 Suenaga Takatsu ku Kawasaki 213 8502 Japan Jun 2016 Printed in Japan ...