Outdoor Led Display Error And Check Method (18K/24K/30K) - Samsung AR09KSWSJWKNCV Service Manual

Outdoor LED Display Error and Check Method (18K/24K/30K)

LED PATTERN
DESCRIPTION
YEL GRN RED
Power off/VDD NG
IPM OVER CURRENT (O.C)
ABNORMAL SERIAL COMMUNICATION
(DISPLAY BOARD : INDOOR OUTDOOR)
NORMAL OPERATION
COMP STARTING ERROR
DC-LINK VOLTAGE UNDER/OVER ERROR
PFC OVERLOAD/H/W/ DC LINK OVER
OUT-TH(OUTDOOR TEMPERATURE) SENSOR ERROR
DIS-TH(DISCHARGE TEMPERATURE) OVER ERROR
DIS-TH(DISCHARGE TEMPERATURE)SENSOR ERROR
CURRENT SENSOR ERROR
HEAT SINK SENSOR/INPUT CURRENT SENSOR ERROR
COMP V LIMIT ERROR
HEAT SINK OVER HEAT
COIL TEMP SENSOR SENSOR ERROR (DUAL/SINGLE)
1 MIN TIME OUT COMM
(MAIN MICOM INV MICOM)
EEPROM DATA ERROR
FAN ERROR
OTP ERROR
COMP ROTATION ERROR
OPERATION CONDITION SECESSION (DUAL ONLY)
DC-LINK VOLTAGE SENSOR ERROR/
INPUT VOLTAGE SENSOR ERROR
I-TRIP ERROR/PFC OVER CURRENT
GAS LEAK/EEV OR VALVE ERROR-SELF DIAGNOSIS/HIGH PRESSION BLOCK
AC LINE ZERO CROSS SIGNAL OUT
POWER ON RESET (1SEC)
CAPACITY MISS MATCH
TEST OPERATION COOLING MODE
TEST OPERATION HEATIN G MODE
LED ON, LED OFF, LED BLINKING
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