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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 °C 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 "Temporary operation switch" work? (Yes/No)
Check results and next check items
Check 1
Check2
No
No
Yes
No
Yes
Yes
D
Check3
Check4
-
-
No
'------->
r
Yes
r
Check indoor timer
indicator blinking
'"----------�
No
Go to "The power does not turn on".
Go to "The unit does not receive signals from the
Yes
remote controller".
Go to outdoor side to check failure. Please refer diagnosis
-
table for further checking if outdoor show fault.
118
How many times does the time lamp
blinking
...,
r
Check outdoor electrical
""-----------�
Next check item
unit
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