Carrier 42HWG009 Technical Data & Service Manual page 50

e Display and Receiver PCB (Component side)
4) LCD PANEL TEST
a Selecting the test mode
: Press the LCD test key (K15) in remote control PCB during OFF mode
Test mode cancellation
b
– After the test program is completed.
– If the reset button is pressed.
c LCD panel test flow
When this key is pressed, the LCD segment test is performed to verify the integrity of
LCD panel as described and then reset.
TEST START
BLOCK 'C' ON/OFF
BLOCK 'A' ON/OFF
BLOCK 'D' ON/OFF
ON
FLAP
SLEEP
OFF
AM
PM
AM
ON PM
BLOCK 'B' ON/OFF
RESET MODE
AUTO
SWING
EVERYDAY
49
A
B
C
D