Samsung AR09RXPXBWKNEU, Service Manual, Page: 13 / 128

13
3-2 Display Error and Check Method
3-2-2 Outdoor Display Error and Check Mathod
ERROR MODE
DESCRIPTION
7-SEG YEL GRN RED
-
Power off /VDD NG
-
Power on reset (1sec)
-
Normal operation
-
Abnormal communication
(Indoor <-> Outdoor)
-
E464
IPM over current (O.C) error
E461
Comp. strating error
E470
EEPROM data error (no data)
E466 DC-Link voltage under / Over error
E484 PFC over load error
E483 Over voltage protection error
E221
OUT-TH (Outdoor temperature) sensor error
E416
DIS-TH (Discharge temperature) Over error
E251
DIS-TH (Discharge temperature) sensor error
E468 Current sensor error
E474 Heatsink sensor error
E485 Input current sensor error
E465 Comp. V_limit/ I_limit error
E500 Heatsinkover temperature error
E231
CON-TH (Cond temperature) sensor error
E203
Time out Comp. (Inv Micom <->Main Micom)
E458
Fan error
E471
EEPROM data error (Main Micom <-> INV Micom)
E467
Comp. wire missing error
E440 Prohibit operation condition error (Heating)
E441 Prohibit operation condition error (Cooling)
E469 DC-Link voltage sensor
E488 AC Input voltage sensor
E462
AC Input I_limit trip error
E554 Gas leak error
E422 EEV or valve close error-self diagnosis
E462
Outdoor OLP over temperature error
-
Test operation at Cooling mode
-
Test operation at Heating mode
:LAMP ON : LAMP OFF : LAMP BLINK