Samsung AM250FNBFEB/EU User Manual

Troubleshooting
4-120 Samsung Electronics
4-4-77 DC Link voltage sensor error
Outdoor unit display
(INVERTER1 PCB) (INVERTER2 PCB)
(OUTDOOR FAN 1 PCB) (OUTDOOR FAN 2 PCB)
Judgment Method
 DC voltage detection : Judged as an error if the detected value is more than 2.8V or 0.2V less than
Cause of problem
 Input voltage defective
 AC Power wiring error
 Momentary Overvoltage / Low voltage occurs
 PCB voltage sensing circuit defective
Power Off
Yes
Is Power connection accurately connected?
Power Cable re-connection
No
Yes
Is Reactor accurately connected?
Check the Reactor connection
No
No
Did the Fuse is short?
Replace Fuse
Yes
Yes
Is EMI PCB and Inverter PCB
accurately connected?
Power Off and then re-connection
No
Yes
Is Inverter PCB and
Fan PCB DC-Link voltage connection wire
accurately connected?
Replace Fan PCB
No
1.
Cause of problem
Replace Inverter PCB
The case of E396, E498
The case of E396, E498

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