Mitsubishi Electric PKA-ALA Serie Manuel D'installation page 17

7. Test run
7.3. Self-check
■ Refer to the installation manual that comes with each remote controller for details.
• 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
14
No sound
No sound
No sound
*1 If the beeper does not sound again after the initial 2 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 3 times continuously "beep, beep, beep (0.4 + 0.4 + 0.4 sec.)" after the initial 2 beeps to confirm the self-check start signal was received, the
specified 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.
Beep Beep Beep Beep
1 2 3 n
st nd rd th
On On On
On
0.5 sec. 0.5 sec. 0.5 sec.
0.5 sec.
Beep Beep
1 2
st nd
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
— —
Pb Indoor unit fan motor error
Fb Indoor unit control system error (memory error, etc.)
PL Refrigerant circuit abnormal
E0, E3 Remote controller transmission error
E1, E2 Remote controller control board error
– – – – No corresponding
Beep Beep
1 2 · · · Repeated
st nd
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
3 n
rd th
On On Off
0.5 sec. 0.5 sec. Approx. 2.5 sec.
Symptom
Beep Beep
1 2 · · · Repeated
st nd
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
en
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