Mitsubishi Heavy Industries FDC112KXEN6 Technical Manual page 387

(7) Cooling test run operation
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After safety confirmation, turn on the power.
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Transmit a cooling operation command with wireless remote controller, while the backup button on the receiver is pressed.
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If the backup button on the receiver is pressed during a test run, it will end the test run.
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If you cannot operate the unit properly during a test run, please check by consulting with inspection guides on the wiring
diagram of outdoor units.
(8) How to read the two-digit display
On the receiver of a wireless kit, a two-digit (7-segment) display is provided.
(a) An indication will be displayed for one hour after power on.
(b) An indication will be displayed for 3.5 seconds after transmitting a "STOP" command from the wireless remote controller or
the operation of the backup button to stop the unit.
(c) An indication appearing in (a) or (b) above will go off as soon as the unit starts operation.
(d) When there are no error records to indicate, addresses of all the connected units are displayed.
(e) When there are some error records remaining, the error records are displayed.
(f) Error records can be cleared by transmitting a "STOP" command from the wireless remote controller, while the backup
button is pressed.
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