Mitsubishi Electric SLZ-KA25VA + декор. панель SLP-2ALW [14/32] Test run

Mitsubishi Electric SLZ-KA25VA + декор. панель SLP-2ALW [14/32] Test run
14
9. Test run
[Output pattern A] Errors detected by indoor unit
Beeper sounds/OPERATION Symptom Remark
INDICATOR lamp flashes 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
5
P5 Drain pump error
PA Forced compressor 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.)
[Output pattern B] Errors detected by unit other than indoor unit (outdoor unit, etc.)
Beeper sounds/OPERATION Symptom Remark
INDICATOR lamp flashes 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/insufficient refrigerant
6 U1, Ud Abnormal high pressure (63H worked)/Overheating safeguard operation
7 U5 Abnormal temperature of heat sink
8 U8 Outdoor unit fan safeguard stop
9 U6 Compressor overcurrent interruption/Abnormal of power module
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
specified refrigerant address is incorrect.
For details, check the LED display
of the outdoor controller board.
OPERATION
INDICATOR
lamp flash
pattern
Beep Beep Beep Beep Beep Beep Beep
Off
Approx. 2.5 sec.
On
Approx. 3 sec.
On
0.5 sec.
On
0.5 sec.
On
0.5 sec.
On
0.5 sec.
Off
Approx. 2.5 sec.
On
Approx. 3 sec.
On
0.5 sec.
On
0.5 sec.
· · · Repeated
Number of flashes/beeps in pattern indicates the check
code in the following table (i.e., n=5 for U2)
Number of flashes/beeps in pattern indicates
the check code in the following table
n
th
1
st
2
nd
3
rd
1
st
2
nd
Self-check
starts
(Start signal
received)
Beeper sounds
[Output pattern B]
OPERATION
INDICATOR
lamp flash
pattern
Beep
Beep Beep Beep Beep Beep Beep
Off
Approx. 2.5 sec.
On
0.5 sec.
On
0.5 sec.
On
0.5 sec.
On
0.5 sec.
Off
Approx. 2.5 sec.
On
0.5 sec.
On
0.5 sec.
· · · Repeated
Number of flashes/beeps in pattern indicates the check
code in the following table (i.e., n=5 for P5)
Number of flashes/beeps in pattern indicates
the check code in the following table
n
th
1
st
2
nd
3
rd
1
st
2
nd
Self-check
starts
(Start signal
received)
Beeper sounds
Refer to the following tables for details on the check codes.
[Output pattern A]
Wireless remote controller
Wired remote
controller
Wireless remote controller
Wired remote
controller

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