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Diagnostics
Service Mode
To enter into Service mode on engineering models 
“H0”, press and hold Load Size, Process and Power 
pad. 
On engineering models “H1~H2”, press and hold 
Deep Fill, Process and Power. 
All LEDs will turn on in initial state of entering 
Service mode. Pressing the Start button will 
DGYDQFHWKURXJKGLȺHUHQWService modes. 
To exit Service mode, press Power, then unplug the  
washer, or go through all the tests below.
NOTE: It is important to note that fault codes should 
only be used to help identify components which 
require testing.
Never replace a part based solely on an fault code. 
The control can generate a false fault code if the 
right conditions exist. Use the code only as a 
reference and always check the component before 
replacing.
Test Item Checked Displayed
Initial state upon entering Service 
mode
All LED's on. Water level frequency 
checked with no water in the tub.
"88" will be displayed quickly. 
Then the version number (07 for 
HO, 10 for H1, 11 for H2. 
Then 63 ~ 68 for the water level.
Press Start 1 time Laundry amount detection Numerous numbers will show 
in the display which are the 
electromotive force values. Value 
range from 130 to 160 with no 
load.
Press Start 2 times Cold water valve EP
Press Start 3 times Hot water valve 00
Press Start 4 times Nothing tested 54
Press Start 5 times Drain/Mode shift motor engage 
for agitate
55
Press Start 6 times Drain/Mode shift motor disengage 
for spin
56
Press Start 7 times Drain pump on 57
Press Start 8 times $XWRRȺ $OO/('VRȺ