Using Sw4 In Outdoor Unit - Mitsubishi Electric MR. SLIM PCA-RP-HAQ Installationshandbuch

7. Test run
Step 2 Switch the remote controller to "Test run".
Select "Test run" from the Service menu, and press the [SELECT] button. (Fig. 7-1)
Select "Test run" from the Test run menu, and press the [SELECT] button. (Fig. 7-2)
The test run operation starts, and the Test run operation screen is displayed.
Step 3 Perform the test run and check the airflow temperature and auto vane.
Press the [F1] button to change the operation mode. (Fig. 7-3)
Cooling mode: Check that cool air blows from the unit.
Heating mode: Check that warm air blows from the unit.
Press the [SELECT] button to display the Vane operation screen, and then press
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 Confirm 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 insufficient. 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.
Press the [ON/OFF] button to stop the test run. (The Test run menu will appear.)
Note: If an error is displayed on the remote controller, see the table below.
LCD Description of malfunction
P1 Intake sensor error
P2 Pipe sensor error (liquid pipe)
Drain float switch connector disconnected
P4
(CN4F)
P5 Drain overflow protection operation
Freezing/overheating protection
P6
operation
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)
LED2 (remote controller power supply)
LED3 (indoor/outdoor unit communication)

7.2.2. Using SW4 in outdoor unit

Refer to the outdoor unit installation manual.
7.3. Self-check (Fig. 7-2)
■
Refer to the installation manual that comes with each remote controller for details.
LCD Description of malfunction
P9 Pipe sensor error (dual-wall pipe)
PA Leakage error (refrigerant system)
PL Refrigerant circuit abnormal
FB Indoor controller board error
U*, F*
(* indicates an Outdoor unit malfunction
alphanumeric Refer to the wiring diagram for the
character outdoor unit.
excluding FB.)
Indicates whether control power is supplied. Make sure that this LED is always lit.
Indicates whether power is supplied to the wired remote controller. The LED is lit only for the indoor unit that is
connected to the outdoor unit that has an address of 0.
Indicates whether the indoor and outdoor units are communicating. Make sure that this LED is always blinking.
S e v r c i e m e n u
Test run
Input maintenance info.
Function setting
Check
Self check
M a n i m e n : u
C u s r r o
F1 F2 F3 F4
Fig. 7-1
Test run Remain
Pipe
Cool Auto
Switch disp.
Mode Fan
F1 F2 F3 F4
Fig. 7-3
LCD
E0 ~ E5
E6 ~ EF
Test run menu
Test run
Drain pump test run
Service menu:
Cursor
F1 F2 F3 F4
Fig. 7-2
Remain
Vane
F1 F2 F3 F4
Fig. 7-4
Description of malfunction
Communication error between the
remote controller and the indoor unit
Communication error between the
indoor unit and the outdoor unit
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