41
9.5.
Instruction of Self Diagnosis Display Code.
Signal
Symptom
Check point
Condition
Display release
U10
Warning that door is kept open *1
1. Close compartment door completely
2. Door SW PCB
3. Door alignment
4. Control PCB
The sign is displayed when
PC/FC door is kept open for
more than 1 minute.
Close the door, Adjust
the door, Replace the
door SW PCB,
Replace Control PCB
H01
FC temperature sensor circuit has
trouble
1. Sensor FC
2. Sensor FC circuit
3. Control PCB
Open or short
Replace parts
H02
PC temperature sensor circuit has
trouble
1. Sensor PC
2. Sensor PC circuit
3. Control PCB
Open or short
Replace parts
H05
Sensor DEFROST circuit has trouble
1. Sensor DEFROST
2. Sensor DEFROST circuit
3. Control PCB
4. Thermal fuse
Open or short (Note) when
DFC is opened, thermal fuse
is blown because of too long
defrosting time.
Replace parts
H07
Sensor ATC circuit has trouble
1. Operation PCB
Short or open with ATC
sensor.
Replace Operation
PCB (ATC sensor is
chip parts on Opera-
tion PCB, not change-
able )
H10
SSC, Vegetable compartment sensor
circuit has trouble
1. Sensor SC circuit
2. Control PCB
Open or short
Replace parts
H12
DFP sensor circuit has trouble
1. Sensor DFP
2. Sensor DFP circuit
3. Control PCB
Open or short
Replace parts
H27
Lock/Disconnection of PC fan motor
circuit *2
1. PC Fan motor
2. Control PCB
3. Something blocks the motion
Open or Lock
Replace parts
H28
Fan motor (for compr.) has trouble
*3
1. Fan motor (for compressor)
2. Control PCB
3. Something blocks the motion
Open or Lock
Replace parts
H29
Lock of FC fan motor circuit *4
1. FC fan motor.
2. Control PCB
3. Locked by Ice
Open or Lock
Replace parts
H31
FC defrost heater circuit has trouble
*5
1. FC defrost heater
2. Thermal fuse
3. Control PCB
Temperature of FC defrost
sensor does not reach Cut-
off Temp.
Replace parts
H32
PC defrost heater circuit has trouble
*6
1. PC defrost heater
2. Thermal fuse
3. Control PCB
Temperature of PC defrost
sensor does not reach Cut-
off Temp.
Replace parts
H34
Refrigerating unit has trouble (3-Way
Valve has trouble) *7
1. Control PCB
2. 3-Way valve
Even if compressor runs,
temperature of defrost
Sensor would not be below
the regulation.
Replace parts
H35
HC refrigerant detection (High
pressure leak) *11
1. 3-Way valve
2. Gas leakage at high pressure side
3. Poor compression
Even with compressor runs,
FC temperature and DEF
temperature would not be
below 0°C continuosly.
Replace parts
H36
HC refrigerant detection (Low
pressure leak) *12
1. Gas leakage at low pressure side
“H40” and “H36” display
repeatedly.
Replace parts
H38
Disconnection of FC fan motor *13
1. FC fan motor
Open
Replace parts
H40
Compressor has trouble (Inverter
Protection Control) *8
1. Compressor
2. Control PCB
Compressor locked with
some trouble or inverter
protection control worked.
Replace parts
H41
Insufficient power voltage protection
*8
1. Power supply voltage
2. Control PCB
Control PCB detects low
(voltage) power supply.
Check power supply or
replace Control PCB
H50
Communication error *9
1. Control PCB
2. Operation PCB
3. Wire circuit between Control PCB
and Operation PCB
Microcomputer on Control
PCB cannot read the data
from Operation PCB.
Replace parts
H51
Control PCB has trouble (EEPROM)
*10
1. Control PCB
When the power is on,
microcomputer can not read
or write the data.
Replace parts
Summary of Contents for NR-B53V2
Page 7: ...7 3 General Introduction 3 1 Flow of Refrigerant ...
Page 8: ...8 4 Features 4 1 Features 4 1 1 Inverter Technology 4 1 2 Vacuum Insulation Panel ...
Page 9: ...9 4 1 3 Optimum Humidity Control 4 1 4 Powerful Cooling ...
Page 10: ...10 4 1 5 LED Tower Lighting 4 1 6 Refrigerator Cases with Different Setting ...
Page 11: ...11 4 1 7 Other Storage Solutions ...
Page 12: ...12 4 1 8 Wide and Spacious Freezer Compartment ...
Page 13: ...13 4 1 9 Drawer Compartments of Freezer Compartment 4 1 10 Humidity Control ...
Page 14: ...14 4 1 11 Selectable Temperature Control 4 1 12 Vitamin LED ...
Page 15: ...15 4 1 13 Hygiene Active 4 1 14 Multi Hygienic System ...
Page 16: ...16 4 2 Functions ...
Page 23: ...23 Set temperature ranges Set on shipment 4 C ...
Page 25: ...25 6 Location of Controls and Components 6 1 Display and Control Panel ...
Page 26: ...26 6 2 Ice Water Dispenser Part ...
Page 27: ...27 6 3 Components ...
Page 29: ...29 7 1 2 Removing the doors ...
Page 30: ...30 ...
Page 31: ...31 7 1 3 Connecting the refrigerator to the water supply ...
Page 32: ...32 ...
Page 33: ...33 7 1 4 Installing the water filter ...
Page 34: ...34 7 1 5 Installing the refrigerator ...
Page 35: ...35 7 2 Getting started 7 2 1 Setting the temperature ...
Page 36: ...36 7 2 2 Using the handy functions ...
Page 37: ...37 7 2 3 How to use the Ice Water dispenser ...
Page 39: ...39 9 Service Mode 9 1 Self Diagnosis Control 9 1 1 Self Diagnosis Mode ...
Page 44: ...44 9 7 Special Function Setting ...
Page 45: ...45 10 Troubleshooting Guide 10 1 FC and PC not cooling at all Compressor does not run ...
Page 46: ...46 10 2 PC is not cooling or poor cooling FC cooling condition is normal ...
Page 47: ...47 10 3 FC is poor cooling Compressor run ...
Page 48: ...48 10 4 No ice comes out No ice in the ice box ...
Page 51: ...51 10 6 Test of Ice Making Operation 10 7 Operation of Automatic Ice Making Mechanism ...
Page 67: ...67 12 3 Cleaning and Maintenance ...
Page 68: ...68 12 3 1 Changing the water purifying filter ...
Page 69: ...69 13 Dimensions 13 1 Outside ...
Page 70: ...70 13 2 Inside ...
Page 72: ...72 15 Exploded View and Replacement Parts List 15 1 Exploded View 1 ...
Page 74: ...74 15 3 Exploded View 2 ...
Page 76: ...76 15 5 Exploded View 3 ...
Page 78: ...78 15 7 Exploded View 4 ...
Page 80: ...80 15 9 Exploded View 5 NR B54X1 Bundled parts ...