Samsung AM250FNBFEB/EU User Manual

Troubleshooting
Samsung Electronics 4-119
4-4-76 Overvoltage / Low voltage error
Outdoor unit display
(INVERTER1 PCB)
(INVERTER2 PCB)
Judgment Method
 N-phase wiring erro r and EMI Fuse short.
 DC-Link Overvoltage / Low voltage occurs .
Cause of problem
 Check the input wiring
 EMI Fuse short
Power Off
Yes
Yes
380V is the voltage
between terminal blocks
R, S, T wire?
Power R, S, T, N wire voltage check and restart it.
Replace Inverter PCB and then restart it.
* Check the 3-phase sensing circuit part
.
Replace Fuse, if the rectifier diode of
the inverter PCB is normal.
No
No
Did the EMI PCB Fuse is short?
1.
Cause of problem

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