22
10.2. SELF DIAGNOSIS FUNCTION
When abnormality is caused in the refrigerator, the sign is displayed on LED.
Indication contents
The sisplay sign list is put on the PCB cover in the back of cabinet.
1. 2 character type of LED is adopted on this model.
Then, if "H01"display, the sign "H"and next to "01".(The sign separates twice sign.)
2. *1...These display appear when an service function is controlled.(Normally customer can not see these indications.)
3. Check the "Check point" according to lower number(1.2.3.)
Signal
Symptom
Check point
Condition
Display release
U10
Warning that door is kept open.
1.Close compartment door completely
2.Door swich circuit
3.Door aliment
4.Control PCB
Sign appears when you leave the
door open more than 1 minutie.
Close the door
Adjust door
Replace door swich
H01
FC temperature sensor circuit has
trouble.
1.PC sensor circuit
2.Control PCB
Open or short
Replace parts
H02
PC temperature sensor circuit has
trouble.
1.PC sensor circuit
2.Control PCB
Open or short
H04
Ice making sensor has trouble.
1.IC sensor circuit
2.Control PCB
Open or short
H05
DEFROST sensor circuit has trou-
ble.
1.DEF sensor
2.DEF sensor circuit
3.Control PCB
4.Thermal fuse
Open or short
H07
ATC sensor circuit has trouble.
1.ATC sensor
2.ATC sensor circuit
3.Control PCB
Open or short
H10
SC sensor circuit has trouble.
1.SC sensor
2.Control PCB
Open or short
H21
Ice maker has trouble.
(Stop to protect ice maker)
1.Ice maker
2.Rotation part of ice maker
3.Control PCB
When ice maker operates more
than 1 minute continuously.
Reset display
or
Replace parts
H28
Fan motor for compressor room is
opened or locked.
1.Fan motor(compressor room)
2.Fan motor circuit
3.Something touches fan blade
Open or short
H29
Fan motor for evaporator is
opened or locked.
1.Fan motor for evaporator
2.Fan motor circuit
3.Ice foam touches fan blade
Open or short
H31
Defrosting circuit has trouble.
1.FC defrost heater
2.Thermal fuse
3.Control PCB
Temperature of defrost Sensor
does not reach cut-off tempera-
ture.
H35
Refrigerating unit has trouble.
(Gas leakage at high pressure
side// Poor compression)
1.Swiching valve
2.Gas leakage at high pressure side
3.Poor compression
Even if compressor runs, FC
temperature and PC temperature
would not be blow 0
°
C continu-
ously.
H36
*1
Refrigerating unit has trouble.
(Gas leakage at low pressure
side)
1.Gas leagage at low side
"H40" and "H36" display repeat-
edly.
Replace parts
H38
*1
Rotation of FC fan motor has trou-
ble.
1.Control PCB
2.Fan motor(FC)
Open circuit
between
PCB
and
fan
- Fan
motor
(signal circuit of detector for fan
motor is opened) *2
H40
IPM & Compressor Protection
Control has trouble.
1.Control PCB
2.Compressor(Lock)
Over current flow into IPM for a
long time.
H41
Undervoltage protection has trou-
ble.
1.Power supply voltage
2.Control PCB
Low voltage add to unit for a long
time.
Reset display
o
r
Replace parts
H43
*3
Fan motor for evaporating pan is
opened or locked.
1.Something touches fan blade.
2.Fan motor for evaporating pan
3.Fan motor circuit
4.Control PCB
Open or short
H50
Communication error
1.Control PCB
2.Operation PCB
3.Wire circuit between control PCB and
operation PCB
The signal does not flow IC1 and
IC201.
H51
*1
Transmit in PCB has trouble.
1.Control PCB
Micro- computer can not read or
write the data.
Replace parts
Содержание NR-F532TT
Страница 8: ...8 3 General Introduction 3 1 Flow of Refrigerant 3 2 Flow of cold air inside compartments ...
Страница 9: ...9 3 3 Flow of cold air duct ...
Страница 10: ...10 4 Features 4 1 Self cleaning of the whole compartment ...
Страница 18: ...18 6 Location of Controls and Components 6 1 Components ...
Страница 19: ...19 6 2 Control panel and Control button ...
Страница 24: ...24 11 Troubleshooting Guide 11 1 Not cooling at all Compressor does not run ...
Страница 28: ...28 11 5 Ice cubes can not be made FC cooling condition is normal ...
Страница 45: ...45 13 Maintenance 13 1 KNACK FOR MAINTENANCE ...
Страница 46: ...46 13 2 MAINTENANCE OF ICE MAKER ...
Страница 47: ...47 14 Dimensions 14 1 OUTSIDE ...
Страница 48: ...48 14 2 INSIDE ...
Страница 49: ...49 14 3 BOTTOM ...
Страница 50: ...50 15 Wiring Connection Diagram 15 1 SCHEMATIC DIAGRAM ...
Страница 51: ...51 16 Exploded View and Replacement Parts List 16 1 EXPLODED VIEW 1 ...
Страница 54: ...54 16 3 EXPLODED VIEW 2 ...
Страница 56: ...56 16 5 EXPLODED VIEW 3 ...
Страница 58: ...58 16 7 EXPLODED 16 8 VIEW 4 ...
Страница 60: ...60 16 10 EXPLODED VIEW 5 ...