Test Running Without Water - LG T1732AFPS Service Manual

4-3. How to use Test Mode
1. Cautions during the service
■ Both AC220V and DC power are embedded in the controller assembly output connector, so be careful of the
electric shock during the disorder diagnosis.(Wear cotton gloves during the work.)
■ When you replace controller in the washer, make sure to check if the power is cut off before the disassembly
or assembly.
■ Always be careful of the static electricity during the handling of the controller assembly, and transport and store
it in static electricity prevention vinyl bag.
You can check problems of the washer as follows by pressing the start/pause button.
The washer must be empty and the controls must be plugged in and turned off.
2. SVC test mode
■ How to enter SVC test mode: Power ON, press cold water washing and wash key at the same time to enter
the test mode.
■ Every time you press start/pause button, test mode changes, and you can check the operation status.
■ When you start the test mode, door is locked, and when the test mode ends, door opens.
3. Actions in each test mode
■ You can check problems of the washer as follows by pressing the start/pause button.
Step Mode
Main Version Check
t1
Display Version check
t2
and Button check
Water -
Valve
A
Check
t3
B
C
Heater
t4
Check
Alpha
t5 Check
Drain
Check
t6
Load
t7 sensing
Check
Agitate
t8 Check
Spin
Check
anddE
t9 Error
Check
t10 OFF
Action
All LEDs are lighted
-
-
Cold valve is activated
Softener Dispenser and Hot
Valve are activated
Jet Spray Dispenser is activated
Heater On
Carry out alpha
Water discharge starts
At water discharge level
frequency of 26.0kHz, after 50
sec., it is automatically changed
to T7.
After completing spray
amount detection 1 time, it is
automatically changed to t8.
Door Lock reset
Pulsator Mode change
Pulsator stirring starts
Basket Mode change
Spin dry starts
Power off
39
Displayed Contents
'Main VERSION' and 'Model
Option Character'
'Display Version'
Level frequency
(26.7kHz is displayed as 67)
Eye sensor correction group
value(1~26)
Alpha RPM
Before the level frequency
reaching 26.0kHz, level
frequency is displayed after
reaching the longitude data.
Displays spray amount detection
result value.
(Displays Err)
Displays spray amount detection
result value.
(Displays Err)
Before 500RPM: current RPM/
500RPM or more: UB value/
Before 500RPM: Max emission
value/
RSt: UB value
Current RPM is displayed in the
units of 2 sec.
-
Remark
You can check 'tE Error'
-
Valve operates until
23.3kHz, and the power
is automatically turned
off at 23.3kHz. (Overflow
prevention)
Heating is activated
RPM : 220
On time : 180s
Slope : 30 rpm/sec
-
-
After reaching the maximum
RPM, continuous MS
(40~90rpm) area for 200 sec.
UB No sense
-