Samsung TDM PLUS - 4-5-2 Troubleshooting for outdoor unit(con.)

Troubleshooting
Samsung Electronics 77
No.
LED Display
Displayed
PCB Assy
Meaning Remarks Error Code
Red Green Yellow
24
z|z
MAIN/INVERTER Comp. wire missing error Check Comp. wire E467
25
z
MAIN/INVERTER Current sensor error
Check Outdoor Inverter
PBA
E468
26
z|
MAIN
DC-Ling voltage
Sensor error
Check Input
voltage
E469
27
z|
MAIN EEPROM read/write error Check EEPROM E470
28
z|
MAIN Outdoor EEPROM error
Check Outdoor EEPROM
date
E471
29
|
MAIN/INVERTER
IPM(IGBT Module) or PFCM Temperature sen
-
sor Error
Check Outdoor Inverter
PBA
E474
30
zz
MAIN/INVERTER PFC Overload Error
Check Outdoor Inverter
PBA
E484
31
z|
MAIN
Input current
sensor error
E485
32
|
MAIN/INVERTER IPM is over heated.
Check Outdoor Inverter
PBA
E500
33
z|
MAIN GAS Leak error
Check indoor and outdoor
unit model
E554
34
z|
MAIN
Water inlet
temperature sensor error
Check Water
inlet sensor
E901
35
z|
MAIN
Water outlet
temperature sensor error
Check Water
outlet sensor
E903
36
z|
MAIN
Refriqerant gas inlet
temperature sensor error
Check Gas
inlet sensor
E906
37
z|
MAIN
Mixing Valve Outlet
temperature sensor error
Check Mixing Valve
Outlet sensor
E916
| Off  Blink z On
4-5-2 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.