Trouble shooting 13
OUTDOOR UNIT Error Method:
Detective Actuators:
Detective details:
Forecast of Cause :
6
.
9
0
.
6
12.4
16.1
21.0
27.8
Resistance Value (k )
Temperature (°F)
OK
OK
OK
OK
3.8
2
.
1
8
.
0
6
.
0
5
.
2
7
.
1
Resistance Value (k )
Temperature (°F)
Heat Ex.(Pipe) Thermistor Error
Outdoor unit Main PCB
Heat exchanger thermistor
When Heat exchanger temperature thermistor open or
short-circuit is detected at power ON or while running the compressor.
1. Connector connection failure 2.Thermistor failure 3. Main PCB failure
Check Point 1 : Check connection of Connector
Check if connector is removed.
Check erroneous connection.
Check if thermistor cable is open.
>>Upon correcting the removed connector or miss-wiring, reset the power.
Check Point 2 : Remove connector and check Thermistor resistance value
Thermistor Characteristics (Approx. value)
If Thermistor is either open or shorted, replace it and reset the power.
23°F
14°F
176°F
158°F
140°F
86°F
68°F
50°F
41°F
32°F
122°F
104°F
Indicate or Display:
Check Point 3 : Check voltage of Main PCB (DC5.0V)
Make sure circuit diagram of outdoor unit and check terminal voltage at Thermistor (DC5.0V)
If the voltage does not appear, replace Main PCB.
02-16
Outdoor Unit : No indication
Indoor Unit : Operation lamp: 7 time Flash, Timer lamp: 3 time Flash
Economy lamp: Continuous flash.
ERROR CODE : [E : 73]
THERMISTOR
(PIPE)
THERMISTOR
(DISCHARGE)
THERMISTOR
(OUTDOOR)
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
1
2
3
4
1
2
3
4
1
2
3
1
2
3
CN61
CN62
Содержание AOU18RLB
Страница 3: ...1 DESCRIPTION OF EACH CONTROL OPERATION R410A WALL MOUNTED type INVERTER ...
Страница 24: ...2 TROUBLE SHOOTING R410A WALL MOUNTED type INVERTER ...
Страница 63: ...3 APPENDING DATA R410A WALL MOUNTED type INVERTER ...
Страница 71: ...3 3 17 Suenaga Takatsu ku Kawasaki 213 8502 Japan December 2014 Printed in Japan ...