14
7. Test run
7.2. Test run
7.2.1. Using wired remote controller.
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Step 1
Turn on the power.
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blinking, the remote controller cannot be operated. Wait until “PLEASE WAIT” is not displayed before operating the remote controller. After the power is turned on, “PLEASE
WAIT” will be displayed for approximately 2 minutes.
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board uses a digital display, [- ] and [ -] will be displayed alternately every second.
If the operations do not function correctly after the procedures in step 2 and thereafter are performed, the following causes should be considered and eliminated if they
are found.
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Symptoms in test run mode
Cause
Remote Controller Display
OUTDOOR BOARD LED Display
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Remote controller displays “PLEASE WAIT”,
and cannot be operated.
After “startup” is displayed, only green lights up.
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After power is turned on, “PLEASE WAIT” is
displayed for 3 minutes, then error code is
displayed.
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No display appears even when remote control-
ler operation switch is turned on. (Operation
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After “startup” is displayed, only green lights up.
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Display appears but soon disappears even
when remote controller is operated.
After “startup” is displayed, only green lights up.
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3
The test run operation starts, and the Test run operation screen is displayed.
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Test run
Input maintenance info.
Function setting
Check
Self check
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F4
Test run menu
Cursor
Service menu:
Test run
Drain pump test run
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Cool
Pipe
Auto
Switch disp.
Mode
Fan
Remain
Test run
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Remain
Vane
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Cooling mode: Check that cool air blows from the unit.
Heating mode: Check that warm air blows from the unit.
2
Press the [SELECT] button to display the Vane operation screen, and then press
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Press the [RETURN] button to return to the Test run operation screen.
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The speed of the outdoor unit fan is controlled in order to control the performance of the unit. Depending on the ambient air, the fan will rotate at a slow speed and will keep
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not a problem.
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Warning:
Do not use the air conditioner if the insulation resistance is less than 1 M .
7.1. Before test run
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outdoor units, check for refrigerant leakage, looseness in the power supply
or control wiring, wrong polarity, and no disconnection of one phase in the
supply.
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supply terminals and ground is at least 1 M .
