7. Test run

B

E D

 

ERROR CODE

AB

CHECK

7.2.3.Using SW4 in outdoor unit

Refer to the outdoor unit installation manual.

7.3. Self-check

7.3.1.Wired remote controller (Fig. 7-3)

1 Turn on the power.

2 Press the [CHECK] button twice.

3 Set refrigerant address with [TEMP] button if system control is used. 4 Press the [ON/OFF] button to stop the self-check.

 

TEMP.

 

 

ON/OFF

C

 

 

 

 

 

MENU

ON/OFF

 

FILTER

BACK

MONITOR/SET

DAY

 

CHECK TEST

PAR-21MAA

CLOCK

OPERATION

CLEAR

 

 

 

 

A

4

2

ON/OFF TEMP

 

FAN

AUTO STOP

MODE

VANE

AUTO START

CHECK

LOUVER

h

TEST RUN

 

min

3

ACHECK button

BRefrigerant address

CTEMP. button

DIC: Indoor unit

OC: Outdoor unit

ECheck code

F Unit address

ERROR CODE

B E

ERROR CODE

F

Fig. 7-3

SET

RESET CLOCK

Fig. 7-4

7.3.2. Wireless remote controller (Fig. 7-4)

1Turn on the power.

2 Press the

CHECK

button twice.

(Start this operation from the status of remote controller display turned off.)

ACHECK begins to light. B “00” begins to blink.

h

3While pointing the remote controller toward the unit’s receiver, press the

button. The check code will be indicated by the number of times that the buzzer sounds from the receiver section and the number of blinks of the operation lamp.

4Press the ON/OFF button to stop the self-check.

•Refer to the following tables for details on the check codes. (Wireless remote controller) [Output pattern A]

Beeper sounds

Beep

Beep Beep Beep

Beep

Beep Beep

OPERATION INDICATOR lamp flash pattern

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1st

 

 

2nd

 

 

3rd

 

 

nth

 

 

 

 

 

 

1st

 

2nd · · · Repeated

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Off

 

 

On

 

On

 

On

 

On

 

Off

 

On

On

Self-check

Approx. 2.5 sec.

0.5 sec.

0.5 sec.

0.5 sec.

0.5 sec.

Approx. 2.5 sec.

0.5 sec.

0.5 sec.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

starts

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Start signal

Number of flashes/beeps in pattern indicates the check

Number of flashes/beeps in pattern indicates

received)

code in the following table (i.e., n=5 for “P5”)

 

 

 

the check code in the following table

 

 

 

 

 

 

 

[Output pattern B]

Beeper sounds

Beep

 

 

 

 

OPERATION

 

 

 

 

 

 

 

 

INDICATOR

 

 

 

 

 

 

 

 

lamp flash

 

 

 

 

Off

 

 

pattern

 

 

 

 

 

 

Self-check

Approx. 2.5 sec.

 

 

 

 

 

 

 

 

 

 

 

starts

 

 

 

 

 

(Start signal

 

 

 

 

 

received)

 

 

 

 

 

 

Beep

Beep

Beep

 

Beep

 

 

 

 

 

 

Beep

Beep

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1st

 

 

2nd

 

3rd

 

 

 

nth

 

 

 

 

 

 

 

 

1st

 

2nd · · · Repeated

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

On

 

 

On

 

On

On

 

 

On

 

Off

 

 

 

On

 

On

On

Approx. 3 sec.

 

0.5 sec.

0.5 sec. 0.5 sec.

 

0.5 sec.

Approx. 2.5 sec.

 

 

 

Approx. 3 sec.

0.5 sec.

0.5 sec.

Number of flashes/beeps in pattern indicates the check

 

 

 

 

Number of flashes/beeps in pattern indicates

code in the following table (i.e., n=5 for “U2”)

 

 

 

 

 

 

the check code in the following table

[Output pattern A] Errors detected by indoor unit

Wireless remote controller

Wired remote

 

 

controller

 

 

 

 

 

Beeper sounds/OPERATION

 

Symptom

Remark

INDICATOR lamp flashes

Check code

 

 

(Number of times)

 

 

 

1

P1

Intake sensor error

 

 

 

 

 

2

P2, P9

Pipe (Liquid or 2-phase pipe) sensor error

 

 

 

 

 

3

E6, E7

Indoor/outdoor unit communication error

 

 

 

 

 

4

P4

Drain sensor error

 

 

 

 

 

5

P5

Drain pump error

 

 

 

 

 

6

P6

Freezing/Overheating safeguard operation

 

 

 

 

 

7

EE

Communication error between indoor and outdoor units

 

 

 

 

 

8

P8

Pipe temperature error

 

 

 

 

 

9

E4

Remote controller signal receiving error

 

 

 

 

 

10

–

–

 

 

 

 

 

11

–

–

 

 

 

 

 

12

Fb

Indoor unit control system error (memory error, etc.)

 

 

 

 

 

No sound

– –

No corresponding

 

13

Page 12 Page 14
Page 13
Image 13
Mitsubishi Electronics PLA-A-AA installation manual Self-check, Using SW4 in outdoor unit, Wired remote controller Fig
Page 12 Page 14

PLA-A-AA specifications

The Mitsubishi Electronics PLA-A-AA series is a cutting-edge range of air conditioning units designed to provide efficient cooling and heating solutions for various applications, from residential to commercial environments. This series stands out due to its innovative technology and user-friendly features.

One of the main highlights of the PLA-A-AA series is its use of advanced inverter technology. This technology allows the units to dynamically adjust their power output based on the current temperature conditions, ensuring that the desired climate is maintained efficiently. By minimizing energy consumption during operation, these systems can lead to significant savings on utility bills.

Additionally, the PLA-A-AA series is equipped with a built-in AI-driven control system that enhances user experience. This smart feature learns the user’s preferences and adjusts the operation accordingly, optimizing comfort while ensuring energy efficiency. The integration of smart technology also allows for remote control capabilities through mobile applications, enabling users to adjust settings from anywhere.

A notable characteristic of the PLA-A-AA units is their quiet operation. Designed with noise-reduction technology, these units operate at low decibel levels, making them ideal for settings where noise can be a concern, such as bedrooms and offices. This attention to sound design ensures that users can enjoy a peaceful environment without disruption.

The PLA-A-AA series also emphasizes sustainability and environmental responsibility. With a focus on using eco-friendly refrigerants, these systems have minimal impact on the environment. Mitsubishi Electronics continues to prioritize green technologies, consistently striving to reduce their carbon footprint through innovative engineering and efficiency programs.

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In conclusion, the Mitsubishi Electronics PLA-A-AA series exemplifies the perfect blend of advanced technology, energy efficiency, and user-friendly features. With its inverter technology, smart control options, quiet operation, and commitment to sustainability, this range is an ideal choice for anyone seeking a dependable air conditioning solution.
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