Checking The Up/Down Or Left Stepper Motor; Checking The Indoor Dc Fan Motor; Optimizing Performance; Cleaning The Front Cover - Haier AW09ES2VHB Service Manual

Checking the Up/Down or Left Stepper Motor

Step 1
Disconnect the Up/Down or Left Stepper Motor plug from
the control board connector for this test. Failure to do so may
provide inaccurate readings.
Step 2
There are five wire colors; red, orange, yellow, purple and
blue. The resistance between the red wire and any other wire
should be 200 to 300Ω approximately.
Step 3
Re-seat the plug on the connector at the conclusion of the
test.

Checking the Indoor DC Fan Motor

Step 1
Disconnect the DC Fan Motor plug from the control board
connector for this test. Failure to do so may provide
inaccurate readings.
Step 2
Refer to the chart shown below for plug pin combinations and
resistance values.
Note: Test is polarity sensitive, adhere to probe placement as
shown in chart.
Pink X X
Pink X X
X X
Black
X
Test
Black
Lead
White
Blue
Yellow
Step 3
Re-seat the plug on the connector at the conclusion of the
test.
PAGE 40
Red Test Lead
Black White Blue Yellow
15.27Meg 15.46 Meg Infinity 15.85 Meg
X X X X
X X X X
108.2K Infinity 241.8K
Infinity 349.5K
5.14 Meg
ERROR CODES & PROBLEM SOLVING

Optimizing Performance

Cleaning the Front Cover

1. Open the front cover by
pulling it upward
2. Remove the Filter: Gently
push up on the filter's center
tab until it is released from
the stopper, and remove the
filter in a downward motion.
3. Clean the filter Use a
vacuum cleaner to remove
dust, or wash the filter with
water. After washing, dry the
filter completely.
4. Attach the filter Attach
the filter so that the
"FRONT" label is facing
outward. Make sure that
the filter is securly attached
behind the holding tabs. If
the filter is not attached
correctly the unit may not
achieve maximum efficiency.
5. Close the front cover.