Samsung AM250FNBFEB/EU User Manual

Troubleshooting
4-56 Samsung Electronics
4-4-11 Problem with EEV closure (2
nd
)
1. How to diagnose
1) During Cooling operation(Each of the below conditions have to be met for at least 20 minutes.)
2) During heating operation (must satisfy all conditions below)
2) t8IFONPSFUIBOJOEPPSVOJUTBSFPO5IFSNP0OIFBUJOHPQFSBUJPO
2) t8IFOBWFSBHFIJHIQSFTTVSFJTPWFSLHDN
2
2) tNJOVUFTBGUFSGJOJTIJOH4BGFUZ4UBSU
2) t,FFQ*OEPPSVOJUTh5&WB@*O53PPN$BOE5&WB@0VU53PPN$DPOEJUJPOGPSNPSFUIBONJOVUFT
2. How to check
1) Check if the wire of electronic expansion valve is correctly connected to the PCB of indoor unit.
2) Check if the coil of electronic expansion valve is correctly plugged into the main body.
3) Check if
there is any rust on the surface of the electronic expansion valve with naked eye then check the resistance between each
terminal to find any wire breaking or short circuit.
4) Press the RESET KEY (K3) of the outdoor unit then see if
the same error occurs.
4) - In case of closure problem, operate the indoor unit in which the error has occurred.
4) - In case of opening problem, please do not operate the indoor unit in which the error has occurred.
5) If there is no problem with the above checkup items, replace the electronic expansion valve of the troubled indoor u
nit.
4)- As electronic expansion valve replacement is tricky work that requires collecting refrigerants in all systems, please check the
above items before replacement.
Tcond, out - Tair, out > 3°C OK
Tair , in - Teva, out > 4°C NO
Tair , in - Teva, out > 4°C NO
Compr essor in operation &
Indoor unit operation & Thermo On
OK
Error details Electrically operated valve closure breakdown

Samsung AM250FNBFEB/EU Specifications

General

Type	Air conditioner indoor unit
Multi-split	-
Product color	White
Gas hose diameter	15.88 mm
Liquid hose diameter	9.52 mm
Refrigerating medium	R410A
Air conditioner functions	Heating
Heating capacity (nominal)	85300 BTU/h
Heating capacity in watts (max)	25000 W
Cooling capacity in watts (nominal)	- W
Operating temperature (heating) (T-T)	-20 - 24 °C
AC input voltage	220-240 V
Current (heating)	23.1 A
AC input frequency	50-60 Hz
Design load (cooling)	- kW
Energy efficiency scale	A+ to G
Power consumption (heating) (max)	5000 W
Hourly energy consumption (cooling)	- kWh
Energy efficiency class (heating) (Average heating season)	A+
Indoor unit type	Wall-mountable
Indoor unit depth	330 mm
Indoor unit width	518 mm
Indoor unit height	1210 mm
Indoor unit weight	104000 g
Indoor units quantity	1
Indoor unit package depth	426 mm
Indoor unit package width	652 mm
Indoor unit package height	1289 mm
Indoor unit package weight	107000 g
Indoor unit sound power level	42 dB
Indoor unit noise level (high speed)	61 dB
Outdoor unit noise level	- dB