Samsung AM250FNBFEB/EU User Manual

Troubleshooting
Samsung Electronics 4-47
4-4-2 Main PCB has no power phenomenon
Outdoor unit display
Main PCB has no power phenomenon (7-seg does not blink)
Judgment Method
Hub PCB power and connection wire to detect.
Cause of problem
 HUB PCB connector wire defects and the connection is not.

Main PCB defective.

Hub PCB defective.

High pressure swit ch operation
1.
Cause of problem
Replace Fan PCB
Check the connection status of EMI PCB.
Check the short circuit of EMI PCB Fuse.
Refrigerant overcharge?
High pressure switch is defective.
No
No
Yes
Yes
Yes
HUB PCB CN70 AC220V is connected?
Is a high pressure switch normal?
Check the short circuit of Hub PCB.
Replace Hub PCB
No
Yes
Confirm a blinking of Hub PCB LED.
Connecting the communication wire. (CN96)
No
Yes
Did you check
the connection status of the Main / Hub connection
wire?
Power On

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