•On IR wireless remote controller
The continuous buzzer sounds from receiving section of indoor unit. Blink of operation lamp
•On wired remote controller
Check code displayed in the LCD. (Refer to the previous page, 
check code.)
• If the unit cannot be operated properly after the test run, refer to the following table to find out the cause.
| Symptom |
| Cause | |
Wired remote controller | LED 1, 2 (PCB in outdoor unit) | |||
| ||||
PLEASE WAIT | For about 2 | After LED 1, 2 are lighted, LED 2 is | •For about 2 minutes following | |
minutes after | turned off, then only LED 1 is | eration of the remote controller is not possible | ||
| lighted. (Correct operation) | due to system | ||
|
| Only LED 1 is lighted. | •Connector for the outdoor unit’s protection | |
PLEASE WAIT Error code |
| device is not connected. | ||
Subsequent to | LED 1, 2 blink. | •Reverse or open phase wiring for the outdoor | ||
| about 2 minutes |
| unit’s power terminal block (L1, L2, GR) | |
Display messages do not | after | Only LED 1 is lighted. | •Incorrect wiring between indoor and outdoor | |
appear even when operation |
| LED 1 blinks twice, | units (incorrect polarity of S1, S2, S3) | |
switch is turned ON (operation |
| •Remote controller wire short | ||
| LED 2 blinks once. | |||
lamp does not light up). |
|
|
| |
On the IR wireless remote controller with condition above, following phenomena take place.
•No signals from the remote controller can be received.
•OPE lamp is blinking.
•The buzzer makes a short ping sound.
Note:
Operation is not possible for about 30 seconds after cancellation of function selection. (Correct operation)
For description of each LED (LED1, 2, 3) provided on the indoor controller, refer to the following table.
LED1 (power for microprocessor) | Indicates whether control power is supplied. Make sure that this LED is |
| always lit. |
LED2 (power for wired remote controller) | Indicates whether power is supplied to the wired remote controller. |
| This LED lights only in the case of the indoor unit which is connected to the |
| outdoor unit refrigerant addresses “0”. |
|
|
LED3 (communication between indoor and | Indicates state of communication between the indoor and outdoor units. |
outdoor units) | Make sure that this LED is always blinking. |
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