9-3-2. Power can not be Turned on after Replacing Indoor PC Board
<Checking Procedure>
Connect the AC
Power supply
|
|
|
|
|
|
|
|
|
|
Does the OPERATION | NO | Is it wired as shown | NO |
| Return the wiring of the |
| |||
|
|
|
| power relay is returned to |
| ||||
lamp flash? |
| in Figure below? |
|
|
|
| |||
|
|
|
| the normal procedure. |
| ||||
|
|
|
|
|
|
|
| ||
| YES |
| YES |
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
| To the paragraph of | ||||
|
|
|
|
|
|
| |||
|
|
|
|
|
|
| “No Power turns on”. | ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Black
White | Blue |
|
|
| |
|
|
|
| ||
|
| Brown |
|
| |
|
| C02 |
|
| |
1 2 | N L | RY01 |
|
| |
|
|
| |||
Indoor | Power |
|
|
| |
terminal | terminal | PC board | RY02 | T02 | |
block | block | ||||
|
|
|
9-3-3. Outdoor Unit does not Operate
Shut off the power supply from AC outlet once and turn it on after 5 seconds.
NO
Does the OPERATION lamp flash?
YES
Does the power turn on by | NO | ||
pushing the [START/STOP] button | |||
| |||
| |||
of the remote control? |
| ||
| YES |
| |
|
| ||
Is AC220/230/240V | NO | ||
supplied between terminal block | |||
| |||
| |||
1 - 2 ? |
| ||
| YES |
| |
|
| ||
|
|
| |
Is cable connection | NO | ||
between indoor and outdoor | |||
| |||
| |||
units correct? |
| ||
| YES |
| |
|
| ||
Check items as following procedure in
See "Power can not be turned on".
See "Power can not be turned on".
Relays (RY01, RY02)
or IC31 or IC30 is failure.
Correct cabling between indoor and outdoor units.
Replace the PC board.
– 39 –
