Mitsubishi Electric PLA-ZRP100BA / PUHZ-SHW112VHA [14/38] Test run

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7. Test run

Step 2 Switch the remote controller to “Test run”.

1

Select “T

est run” from the Service menu, and press the [SELECT] button. (Fig.7-1)

2

Select “T

est run” from the Test run menu, and press the [SELECT] button. (Fig.7-2)

Fig. 7-4

Step 3 Perform the test run and check the airow temperature and auto vane.

the [F1] and [F2] buttons to check the auto vane. (Fig.7-4)

Press the [RETURN] button to return to the

Test run operation screen.

Step 4 Conrm the operation of the outdoor unit fan.

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

rotating at that speed unless the performance is insufcient. Therefore, the outdoor wind may cause the fan to stop rotating or to rotate in the opposite direction, but this is

not a problem.

Step 5 Stop the test run.

1

P4

P5 Drain overow protection operation FB Indoor controller board error

E6 ~ EF

P6

P8 Pipe temperature error

See the table below for the details of the LED display (LED 1, 2, and 3) on the indoor controller board.

LED1 (microcomputer power supply) Indicates whether control power is supplied. Make sure that this LED is always lit.

LED2 (remote controller power supply)

Indicates whether power is supplied to the wired remote controller. The LED is lit only for the indoor unit that is con-

nected to the outdoor unit that has an address of 0.

LED3 (indoor/outdoor unit communication) Indicates whether the indoor and outdoor units are communicating. Make sure that this LED is always blinking.

Refer to the outdoor unit installation manual.