Sharp AE-X15PU - Page 33

AE-X15PU
3 – 17
Problem
symptom
Outdoor
unit
indication
(LED1)
Indoor unit
Malfunction
No.*
Content of diagnosis Check point Action
→
Lamp Main Sub Main Sub
Indoor and
outdoor
units do not
operate.
Normal
blinking or
OFF
O O O O O Timer (Orange) 19 0 Indoor unit
fan
Indoor unit fan error 1) Check the indoor fan
motor for proper rotat-
ing operation.
(Check fan lock.)
2) Check the lead wire of
the indoor fan motor for
open-circuit.
3) Check connector ofthe
indoor unit fanmotor for
secureinstallation.
4) 1) 2) 3): Normal
1) Replace the indoor
fan motor.
2) Replace the indoor
fan motor.
3) Correct the installa-
tion of the indoor
fan motor connec-
tor.
4) Replace the indoo-
runit control PCB.
O O O Operation ( Green )
Plasmacluster (Blue)
Indoor and
outdoor
units do not
operate.
Normal
blinking or
OFF
O O O O O Timer (Orange) 20 0 Indoor unit
control PCB
EEPROM data error (EEPROM read data error) Replace the indoor unit
control PWB.
O O Operation (
Green )
Plasmacluster (Blue)
Indoor and
outdoor
units oper-
ate.
Normal
blinking
or OFF
     Timer (Orange)
room tem-
perature
thermistor
Indoor unit room
temperature
thermistor
(1)Check connector of
thermistor for
secure installation.
(1)Replace the ther-
mistor.
   Operation (Green)
 Plasmacluster(Blue)
Operation (Green)
Plasmacluster(Blue)
Operation (Green)
Plasmacluster(Blue)
(2)Check the tempera-
ture properties of
the thermistor.
(2)Replace the ther-
mistor.
     Timer (Orange)
pipe tem-
perature
thermistor
Indoor unit pipe
temperature
thermistor
(1)Check connector of
thermistor for
secure installation.
(1)Replace the ther-
mistor.
  

(2)Check the tempera-
ture properties of
the thermistor.
(2)Replace the ther-
mistor.
     Timer (Orange)
valve tem-
perature
thermistor
Indoor unit valve
temperature
thermistor
(1)Check connector of
thermistor for
secure installation.
(1)Replace the ther-
mistor.
  
 
(2)Check the tempera-
ture properties of
the thermistor.
(2)Replace the ther-
mistor.
26
1
Indoor unit
2
Indoor unit
3 Indoor unit
*Remark
The malfunction No. is calculated using the following way.
Example)
Indoor unit lamp
→
Lamp Calculation Main Sub
16 8 4 2 1
Timer (orange) O O O O O
Operation (Green) O O 4+1=5 5
Plasmacluster (blue) O 2 2