Sunday, June 26, 2016

Tech Troubleshooting – Samsung French door Refrigerator - Samsung RFG29PHDBP - RFG29PHDPN - RFG29PHDRS - RFG29PHDWP – Self diagnosis – Error codes and causes – Home appliances Repair and service

Category: Home Appliances Repair and Service 

Contents of this article 

  • Self Diagnosis 
  • Error codes and causes 
  • How to test the fan circuit 

Samsung RFG29PHDBP - RFG29PHDPN - RFG29PHDRS - RFG29PHDWP

Self Diagnosis
Press both buttons (Energy Saver– Lighting) simultaneously (No sound when both buttons are pressed at the same time) ‟til the display quits blinking and beeps, 8-12 seconds, then release and read Fault Codes.
This will also cancel the Fault Mode created  by self-diagnosis at power up.
Forced Mode: Press both buttons (Energy Saver– Fridge) simultaneously (No sound when both buttons are pressed at the same time) „til it beeps and goes blank, 8-12 seconds
Wait 5 seconds between button pushes
# Press Freezer button one time at the Test Mode to Force Compressor High Speed Run, measure fan and Compressor volt ages at main PCB
# Press Freezer button a second time to Force Mid Speed Run
# Press Freezer button a third time to Force Low Speed Run
# Press Freezer button a forth time to Force De frost of Fridge & Freezer, measure defrost voltage at main PCB.
Component Value
Component
Resistance
Wattage
Voltage
Freezer Defrost Heater
60Ω
240
120vac
Fridge Defrost Heater
120Ω
120
120vac
French Mullion Heater
1800Ω
8
120vac
Ice Duct Heater
3600Ω
4
120vac
Dispenser Heater
7200Ω
2
120vac
Water Tank Heater
72Ω
2
12vdc
Sensors
2.5kΩ-89kΩ
N/A
1~4.5vdc
Fans
N/A
N/A
7~12vdc
DC FAN MOTORS
Brushless DC Fan motors are used to save energy. The fans operate at two speeds. Fan speed information is read by the Main PCB. If the fan speed exceeds 600 RPM or the speed is too slow, or stopped the fan drive circuit is disabled, After 10 seconds the circuit tries again with 3 seconds of DC voltage If the fan continues this activity for 5 cycles, 10 seconds off 3 seconds on, the fan drive circuit is disabled for 10 minutes.
TO TEST THE FAN CIRCUIT VOLTAGE.
Power off and back on to check the DC voltage to the motor, wait from 10 to 60 seconds for the fan voltage to kick in, and then check fan voltage, the average reading is 9 VDC. If you get 3 seconds of voltage every 10 seconds for the 5 fan power up cycles, then the Main PCB is good.
NOTE: You may need to put unit in FORCED FREEZE mode to activate the fans/compressor. If the fan blade is blocked by ice, then defrost and check the motor again, after removing power from the unit. If the evaporator is ice blocked and thus blocking the air flow, the fan will over RPM and is stopped. Remove ice and check the motor again. If everything is clear around the fan blade then the motor would be at fault. Continuous fan errors will be displayed on the front panel display. PLEASE NOTE: The door switches control the evaporator fan motors. Have them closed to test the motors. Delay time 10 – 60 seconds.
Heat Release Ice Makers
Heat Release Ice production Explanation
38 minutes after the water fill is complete, the control board will check the temperature of the eject Thermistor, on the Ice Maker Head, if the Thermistor reads a temperature lower than 18.5 degrees for more than 5 seconds, then the ice production process is completed. The Ice maker will harvest if the ice bucket is not sensed as full. If a Fault Mode is detected with the Ice Maker operation, the Ice Maker stops working for 3 hours. Which means, the Ice Maker checks the operation every 3 hours until it works properly
Heat Release I/M Test Mode
Press and hold the ICE TEST S/W for at least 1.5sec, the
harvest function will start. If the ice maker Thermistor is below 0 degrees the Ice maker heater turns on for about 2 minutes. If the temperature exceeds 0 degrees, Ice maker heater turns on for 30 seconds. After the Ice maker heater turns on for 30 seconds, the heater turns off and then Ice maker harvest motor turns on. The motor will rotate in right direction for about 3 minutes, after this, water supply valve is
 urned on, then the valve is turned off, the test mode is completed. If the above operation is not carried out within 6 minutes, it will go into a fault mode.
FREEZER TEMPERATURE CONTROL BY THE ICE MAKER
Interior Temperature of the freezer will be set to -14 degrees Fahrenheit until the ice bucket is full. When the ice bucket is full, the freezer will maintain original set temperature. Also, whenever the ice is used, the freezer will again set to -14 degrees Fahrenheit. Selecting "Ice Off” will allow the freezer to be controlled by the set temperature. If water is not hooked up, the freezer will always be at –14 unless “Ice Off” is selected.
ERROR CODES AND CASUSE
1 E
FZ SENSOR ERROR
2 E
R SENSOR ERROR
4 E
FZ DEF SENSOR ERROR
5 E
R DEF SENSOR ERROR
6 E
AMBIENT-SENSOR ERROR
The respective sensor is read as open or shorted, check the wiring connections in the respective compartment and at the Main PCB
13 E
HUMIDITY-SENSOR ERROR
The Humidity sensor is read as open or shorted, check the wiring connections in the respective compartment and at the Main PCB
14 E 
IM SENSOR ERROR
15 E
ICE RM SENSOR ERROR
The respective sensor is read as open or shorted, check the wiring connections in the respective compartment and at the Main PCB
21 E
FZ FAN ERROR
The Freezer Fan motor is read as not connected or the fan has stopped, check the wiring connections in the freezer and at the Main PCB
22 E
R FAN ERROR
The Ref. Fan motor is read as not connected or the fan has stopped, check the wiring connections in the freezer and at the Main PCB
23 E
C-FAN ERROR
The Comp. Fan motor is read as not connected or the fan has stopped, check the wiring connections in the freezer and at the Main PCB
24 E
FZ DEF FUNCTION ERROR
The freezer defrost heater is read as open or the heater has been
heating continuously for more than 80 minutes.
25 E
R DEF FUNCTION ERROR
The refrigerator defrost heater is read as open or the heater has been heating continuously for more than 80 minutes.
39 E
IM FUNCTION ERROR
The Icemaker release heater reads as open circuit
40 E
ICE-ROOM-FAN ERROR
The Ice Room Fan motor is read as not connected or the fan has stopped, check the wiring connections in the freezer and at the Main PCB
41 E
MAIN<->LCD COMM ERROR
The Main PCB and the LCD display are not communicating properly verify the wiring at both PCB’s
81 E 
COMP STARTING FAILURE  
The compressor did not start properly, check for an overload condi- tion
82 E
COMP IPM FAULT ERROR
Inverter power control issue, Check the Inverter Drive PCB
83 E
COMP ABNORMAL CUR- RENT DETECTION
Excessive current detected at the Compressor check the compres- sor windings for shorts
84 E
COMP MOTOR LOCKED OVER RPM ERROR  
Compressor Over speed error check for low refrigerant levels
85 E
COMP UNDER VOLTAGE
Low voltage to the compressor Check the DC supply from the Main PCB
86 E
COMP OVER VOLTAGE
Over voltage to the compressor Check the DC supply from the Main PCB