Mitsubishi Electric Mr.SLIM PLA-A BA Serie Manual De Instalación página 14

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7. Test run
• 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
Number of blinks/beeps in pattern indicates the check
received)
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)
[Output pattern A] Errors detected by indoor unit
Wireless remote controller
Beeper sounds/OPERATION
INDICATOR lamp blinks
(Number of times)
1
2
3
4
5
6
7
8
9
10
11
12
No sound
No sound
No sound
[Output pattern B] Errors detected by unit other than indoor unit (outdoor unit, etc.)
Wireless remote controller
Beeper sounds/OPERATION
INDICATOR lamp blinks
(Number of times)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
*1 If the beeper does not sound again after the initial two beeps to confi rm 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 confi rm 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
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")
Wired remote
controller
Check code
P1
Intake sensor error
P2
Pipe (TH2) sensor error
P9
Pipe (TH5) sensor error
E6, E7
Indoor/outdoor unit communication error
P4
Drain sensor error / Float switch connector open
P5
Drain pump error
PA
Forced compressor error
P6
Freezing/Overheating protection operation
EE
Communication error between indoor and outdoor units
P8
Pipe temperature error
E4
Remote controller signal receiving error
Fb
Indoor unit control system error (memory error, etc.)
E0, E3
Remote controller transmission error
E1, E2
Remote controller control board error
– – – –
No corresponding
Wired remote
controller
Check code
E9
Indoor/outdoor unit communication error (Transmitting error) (Outdoor unit)
UP
Compressor overcurrent interruption
U3, U4
Open/short of outdoor unit thermistors
UF
Compressor overcurrent interruption (When compressor locked)
U2
Abnormal high discharging temperature/49C worked/insuffi cient refrigerant
U1, Ud
Abnormal high pressure (63H worked)/Overheating protection operation
U5
Abnormal temperature of heat sink
U8
Outdoor unit fan protection stop
U6
Compressor overcurrent interruption/Abnormal of power module
U7
Abnormality of super heat due to low discharge temperature
Abnormality such as overvoltage or voltage shortage and abnormal
U9, UH
synchronous signal to main circuit/Current sensor error
Others
Other errors (Refer to the technical manual for the outdoor unit.)
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.
Symptom
Symptom
Beep
Beep
st
nd
1
2
· · · Repeated
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
Remark
Remark
For details, check the LED
display of the outdoor controller
board.

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