Name: Samsung RH29H9000SR
Brand: Samsung

Question 1

What does error code 44Er mean on Samsung RH29H9000SR?

Accepted Answer

Main control board and inverter board cannot communicate. Cause: Wiring harness between main and inverter PCB is shorted or open; Resistor R210 or R212 shorted or open; Terminal CN103 issue on inverter board; Defective main PCB; Defective inverter PCB.

Question 2

What does error code 46Er mean on Samsung RH29H9000SR?

Accepted Answer

I/O expander chip on main board has a communication fault. Cause: Defective main PCB; I/O expander circuit failure on main PCB.

Question 3

What does error code Fd mean on Samsung RH29H9000SR?

Accepted Answer

Unit is in forced defrost mode. Cause: Service test mode: Freezer Key + Alarm Key held 8 seconds, then two key presses to reach defrost mode.

Question 4

What does error code FF mean on Samsung RH29H9000SR?

Accepted Answer

Unit is in forced manual operation / cooling test mode. Cause: Test mode activated intentionally via Freezer Key + Alarm Key for 8 seconds, then pressing any key.

Question 5

What does error code O-FF mean on Samsung RH29H9000SR?

Accepted Answer

Refrigerator is in Cooling Off mode — not cooling. Cause: Cooling Off mode intentionally activated by pressing Freezer Key + Lighting Key + Fridge Key for 5 seconds.

Question 6

What does error code oP-Er / oP-Ch mean on Samsung RH29H9000SR?

Accepted Answer

There is a configuration mismatch between the panel and main boards. Cause: EEPROM option data mismatch between panel and main; Main PCB replaced without matching option settings; Communication fault between panel and main.

Question 7

What does error code PC-Er / PC-Ch mean on Samsung RH29H9000SR?

Accepted Answer

Display panel and main control board cannot communicate. Cause: Wiring harness issue between panel and main PCB; Defective panel PCB; Defective main PCB; Loose connector at upper hinge or door panel.

RH29H9000SR

Error Codes

On this page

Warranty

Samsung Support

Track your Samsung

Code	Meaning	Severity
44Er	Main control board and inverter board cannot communicate	Critical
46Er	I/O expander chip on main board has a communication fault	Critical
Fd	Unit is in forced defrost mode	Minor
FF	Unit is in forced manual operation / cooling test mode	Minor
O-FF	Refrigerator is in Cooling Off mode — not cooling	Minor
oP-Er / oP-Ch	There is a configuration mismatch between the panel and main boards	Moderate
PC-Er / PC-Ch	Display panel and main control board cannot communicate	Critical