Mitsubishi Electric Mr.Slim PEAD-A09AA9 Manual De Instalación página 23

9. Test run
Step 5 Stop the test run.
1 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
P4
disconnected (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)
Note:
If the unit is operated continuously during a test run, the unit stops after 2 hours.
9.3. Self-check
 Refer to the installation manual that comes with each remote controller for details.
 RF thermostat is not established.
• Refer to the following tables for details on the check codes. (Wireless remote controller)
[Output pattern A]
Beeper sounds Beep
OPERATION
INDICATOR
lamp blinking
Off
pattern
Approx. 2.5 sec.
Self-check
starts
(Start signal
received)
Number of blinks/beeps in pattern indicates the check
code in the following table (i.e., n=5 for "P5")
[Output pattern B]
Beeper sounds Beep
OPERATION
INDICATOR
lamp blinking
Off
pattern
Approx. 2.5 sec.
Self-check
starts
(Start signal
received)
LCD
P9 Pipe sensor error (dual-wall pipe)
PA Leakage error (refrigerant system)
PB (Pb) Indoor unit fan motor error
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 excluding outdoor unit.
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.
Beep
Beep Beep Beep
st nd rd
th
1 2 3
n
On On On On
0.5 sec. 0.5 sec. 0.5 sec. 0.5 sec.
Beep Beep
st nd
1 2
On On On
Approx. 3 sec. 0.5 sec. 0.5 sec.
Number of blinks/beeps in pattern indicates the check
code in the following table (i.e., n=5 for "U2")
Description of malfunction
E0 – E5
E6 – EF
Beep Beep
st nd
1 2
· · · Repeated
Off On On
Approx. 2.5 sec.
0.5 sec. 0.5 sec.
Number of blinks/beeps in pattern indicates
the check code in the following table
Beep
Beep
rd th
3 n
On On Off
0.5 sec. 0.5 sec. Approx. 2.5 sec.
LCD Description of malfunction
Communication error between the
remote controller and the indoor unit
Communication error between the
indoor unit and the outdoor unit
Beep Beep
st nd
1 2
On On On
Approx. 3 sec. 0.5 sec. 0.5 sec.
Number of blinks/beeps in pattern indicates
the check code in the following table
· · · Repeated
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