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Checking the indoor unit electrical parts
Introduction
First check the failure phenomenon and status, and then move on to elaborate diagnosis.
Initiating troubleshooting
Is the "timer lamp" (orange) of the indoor unit blinking?
Turn off the power, wait at least 5 seconds, turn it back on, and observe the way the horizontal vanes move for about
30 seconds.
Check 1: Have the horizontal vanes moved? (Yes/No)
Set the remote control unit to cooling mode, temperature setting 16
32
(winter) and operate the product.
Check 2: Has the product received the remote control signal and has the "operation lamp" gone on? (Yes/No)
If you responded "Yes" to Check 2:
Check 3: Is the compressor of the outdoor unit running? (Yes/No)
If you responded "No" to Check 2:
Check 4: Does the "emergency operation switch" work? (Yes/No)
Check results and next check items
Check 1
Check 2
N
o
N
o
Yes
No
Yes
Yes
No
Check 3
Check 4
N
o
Yes
No
Yes
How many times does the time lamp
blinding
not 4 times
time lamp blinking,please
see page 93 to 96.
(summer), heating mode, temperature setting
Next check item
Go on to "The power will not become turned on".
(page 85)
Go on to "The product will not receive the remote
control signal". (page 86)
Go on to "The compressor will not run". (page 89)
86
4 times
outdoor ele.unit check,
please see page 103 to110
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