Troubleshooting - Mitsubishi Electric Mr.SLIM PKH-FAK Serie Manual De Instalación

6. Test run
Note:
Operation is not possible for about 30 seconds after cancellation of function selection. (Correct operation)
For description of each LED (LED1, 2) provided on the indoor controller, refer to the following table.
LED 1 (power for microcomputer)
LED 2 (power for remote controller)

7. Troubleshooting

• Conduct the trial run as explained before, and confirm hat no condensation drips from the refrigerant or drain pipes.
• Confirm that air is not leaking from the opening between the unit and the grille, or between the grille and the ceiling. Air leakage may cause condensation to drip.
• When the trial run is successfully completed, use the Instruction Manual to explain all the operation procedures to the customer.
14
Indicates whether control power is supplied. Make sure that this LED is always lit.
Indicates whether power is supplied to the wired remote controller.
This LED lights only in the case of the main indoor unit.