Troubleshooting - LG RC9055*P*Z Service Manual

9

TROUBLESHOOTING

ressing the
"START/ AUSE"button
None Electric control.
Check the Motor operating conditions
and ower Consumption.
Once
Motor CCW (1sec)
CW(Twice, Off)
Check the BLDC pump power consumption.
Twice
BLDC pump On (3 times , Off)
Check
Compressor power consumption.
Comp out thermistor temperature.
Evaporator thermistor temperature.
LEV pulse ( 145 )
3 times
:Motor CCW (1sec)
CW
:Compressor On (5sec)
55 ulse(after 1min, Buzzer)
145 ulse(after 1min, Buzzer)
Check
Comp + Heater power consumption.
Hot thermistor temperature.
4 times Low thermistor temperature.
LEV pulse ( 95 )
:3times , Load operation + LEV 95 ulse(1sec)
Heater On
Check
5 times Cooling Fan power consumption.
: Cooling Fan On (6times Off)
Check
Steam water supply valve power consumption.
6 times
Steam Low / High water sensor data.
:Steam valve On(2sec)
" T S R A / T A S U " E
1.Water sensor Detection (maintain 3sec)
2.Control valve position "2"
Entry key in
3. ump On (for 25sec)
(Over Flow inspection)
4.Control valve position "1"
5. ump On (for 25sec)
Data Display
- Tested under normal operation mode.
- ress the button as follows.
o N o . B f t t u n o p e r s s
+ + ower key
Anti Crease + Favorite + ower key
CHECKING
ACTION
Off (0.5sec) Motor
Off (0.5sec) Motor
LEV 35 ulse(2sec)
Off(1sec)
O L D A O R E T A O I N
g n i
LQC line inspection, display the LQC TEST1
Over Flow inspection
DIS LAY
D S I L Y A
*Entry key set up: OF display
*Water sensor detect for 3 sec and 3
times:
OE
D p s i y a l
19
CHECKING
OINTS
Check the below
1. All LED Lamp On
2. Display data in LED window
①1:HH ②18:d1(19:d1)
③1U:20 [ Main Version ::20 ]
④1d:09 [ Display Version ::09 ]
Check the below
1. Course LED Lamp On
2. Display data in LED window
Check the below
1. Display data in LED window
-.0 ~35 [ Drain pump R M ]
2. Check Drain R M
Check the below
1. All LED Lamp On
2. Display data in LED window
C: 22 [Comp out thermistor temp= 22 ¡Æ]
①
E: 22 [ Eva In thermistor temp= 22 ¡Æ]
②
0: 55 [LEV pulse = 55 ]
③
Check the below
1. All LED Lamp On
2. Display data in LED window
H: 22 [High thermistor temp= 22 ¡Æ]
①
L: 22 [ Low thermistor temp= 22 ¡Æ]
②
2: 39 [Humidity sensor data = 239 ]
③
Check the below
1. All LED Lamp Off
2. Check the Cooling fan on
( hear the cooling fan operate )
Check the below
1. ower off
2. End Buzzer sound ( if sound on )
E R M R A
R m e a s k r
S K