7. Test run

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 blinking 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 blinks/beeps in pattern indicates the check

Number of blinks/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 blinking

 

 

 

 

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 blinks/beeps in pattern indicates the check

 

 

 

 

Number of blinks/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 blinks

Check code

 

 

 

(Number of times)

 

 

 

 

1

 

P1

Intake sensor error

 

 

2

 

P2

Pipe (TH2) sensor error

 

 

 

P9

Pipe (TH5) sensor error

 

 

 

 

 

 

3

 

E6, E7

Indoor/outdoor unit communication error

 

 

4

 

P4

Drain sensor error / Float switch connector open

 

 

5

 

P5

Drain pump error

 

 

 

PA

Forced compressor error

 

 

 

 

 

 

6

 

P6

Freezing/Overheating protection 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

E0, E3

Remote controller transmission error

 

 

No sound

E1, E2

Remote controller control board error

 

 

No sound

– – – –

No corresponding

 

 

[Output pattern B]

Errors detected by unit other than indoor unit (outdoor unit, etc.)

 

 

 

 

 

 

 

 

Wireless remote controller

Wired remote

 

 

 

controller

 

 

 

 

 

 

 

 

Beeper sounds/OPERATION

 

Symptom

Remark

 

INDICATOR lamp blinks

Check code

 

 

 

(Number of times)

 

 

 

 

1

 

E9

Indoor/outdoor unit communication error (Transmitting error) (Outdoor unit)

 

 

2

 

UP

Compressor overcurrent interruption

 

 

3

 

U3, U4

Open/short of outdoor unit thermistors

 

 

4

 

UF

Compressor overcurrent interruption (When compressor locked)

 

 

5

 

U2

Abnormal high discharging temperature/49C worked/insuffi cient refrigerant

 

 

6

 

U1, Ud

Abnormal high pressure (63H worked)/Overheating protection operation

 

 

7

 

U5

Abnormal temperature of heat sink

For details, check the LED

 

8

 

U8

Outdoor unit fan protection stop

display of the outdoor controller

 

9

 

U6

Compressor overcurrent interruption/Abnormal of power module

board.

 

10

 

U7

Abnormality of super heat due to low discharge temperature

 

 

11

 

U9, UH

Abnormality such as overvoltage or voltage shortage and abnormal

 

 

 

synchronous signal to main circuit/Current sensor error

 

 

 

 

 

 

 

12

 

 

 

13

 

 

 

14

 

Others

Other errors (Refer to the technical manual for the outdoor unit.)

 

 

*1 If the beeper does not sound again after the initial two beeps to confirm the self-check start signal was received and the OPERATION INDICATOR lamp does not come on, there are no error records.

*2 If the beeper sounds three times continuously “beep, beep, beep (0.4 + 0.4 + 0.4 sec.)” after the initial two beeps to confirm the self-check start signal was received, the specifi ed refrigerant address is incorrect.

On wireless remote controller

The continuous buzzer sounds from receiving section of indoor unit. Blink of operation lamp

On wired remote controller Check code displayed in the LCD.

14

Page 14
Image 14
Mitsumi electronic PLA-ABA installation manual Output pattern B, Check code

PLA-ABA specifications

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