Service Manual 37
Functions
■ Error Indicator
• The function is to self-diagnoisis airconditioner and express the troubles identifically if there is any trouble.
• Error mark is ON/OFF for the operation LED of evaporator body in the same manner as the following table.
• If more than two troubles occur simultaneously, primarily the highest trouble fo error code is expressed.
• After error occurrence, if error is released, error LED is also released simultaneously.
• To operate again on the occurrence of error code, be sure to turn off the power and then turn on.
• Having or not of error code is different from Model.
Error
Code
Error LED
(Indoor body operation LED)
Error contents SVC check point
1
(once)
3sec 3sec 3sec
5sec
•
Indoor air temperature thermistor
open/short.
• Indoor air TH ass'y check
9
(9times)
3sec
• Indoor EEP ROM data (Art type only)
2
(twice)
3sec 3sec
• Indoor inlet pipe TH ass'y
check
• Indoor inlet pipe temperature thermistor
open/short.
5
(5times)
3sec
(6times)
3sec
• Communication line/circuit
• Poor communication
6
• Indoor outlet pipe TH ass'y
check
• Indoor outlet pipe temperature
thermistor open/shor
7
• Operate indoor units only
heating or cooling mode.
• Defferent Operation (Simultanueous
operation of cooling and heating.
44
• Outdoor air TH ass'y check
• Replace main PCB DC ASM
• Outdoor air temperature thermistor
open/short
45
• Outdoor pipe TH ass'y check
• Outdoor pipe themperature
thermistor open/short
51
• Indoor unit combination check
(Refer to Max. capacity)
• Overload combination
(7times)
3sec
3sec 3sec
3sec
3sec 3sec
: ten digits
: one digits
Self-diagnosis Function
Signal Receptor
Signal
receptor
Operation indication lamps
Operation indication lamps
Receives the signals from the remote controller.(Signal receiving sound: two short beeps or one long beep.)
Operation Indication Lamps
Sleep Mode
Timer
Defrost Mode
Outdoor unit operation
PLASMA
Receives the signals from the remote controller.(Signal receiving sound: two short beeps or one long beep.)
Operation Indication Lamps
On/Off
Sleep Mode
Timer
Defrost Mode
OUT
DOOR
OUTDOOR UNIT
OPERATION
On/Off
: Lights up during the system operation.
: Lights up during Sleep Mode Auto operation.
: Lights up during Timer operation.
: Lights up during Defrost Mode or Hot Start operation (Heat pump model only)
: Lights up during outdoor unit operation. (Cooling model only)
: Lights up during the system operation.
: Lights up during Sleep Mode Auto operation.
: Lights up during Timer operation.
: Lights up during Defrost Mode or Hot Start operation.(Heat pump model only)
: Lights up during outdoor unit operation.(Cooling model only)
: Indicate PLASMA purifier operation.
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