Samsung AE040JXEDEH Service Manual page 49

Troubleshooting for outdoor unit(con.)
If an error occurs during the operation, it is displayed on the outdoor unit PCB LED, both MAIN PCB and INVERTER PCB.
LED Display
No.
Red Green
24
 
25
 
26
 
27
 
28
 
29
 
30
 
31
 
32
 
33
 
34
 
35
 
36
 
37
 
Samsung Electronics
Displayed
PCB Assy
Yellow
MAIN/INVERTER Comp. wire missing error

MAIN/INVERTER Current sensor error

DC-Ling voltage
MAIN

Sensor error
MAIN EEPROM read/write error

MAIN Outdoor EEPROM error

IPM(IGBT Module) or PFCM Temperature sen-
MAIN/INVERTER

sor Error
MAIN/INVERTER PFC Overload Error

Input current
MAIN

sensor error
MAIN/INVERTER IPM is over heated.

MAIN GAS Leak error

Water inlet
MAIN

temperature sensor error
Water outlet
MAIN

temperature sensor error
Refriqerant gas inlet
MAIN

temperature sensor error
Mixing Valve Outlet
MAIN

temperature sensor error
Meaning
Check Comp. wire
Check Outdoor Inverter
PBA
Check Input
voltage
Check EEPROM
Check Outdoor EEPROM
date
Check Outdoor Inverter
PBA
Check Outdoor Inverter
PBA
Check Outdoor Inverter
PBA
Check indoor and outdoor
unit model
Check Water
inlet sensor
Check Water
outlet sensor
Check Gas
inlet sensor
Check Mixing Valve
Outlet sensor
Troubleshooting
Remarks Error Code
E467
E468
E469
E470
E471
E474
E484
E485
E500
E554
E901
E903
E906
E916
 Off  Blink  On
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