Mitsubishi Electric Mr.SLIM SLZ-KA50VA Manuel D'installation page 14

10.Test run
h
ON/OFF
TOO TOO
WARM COOL
The OPERATION INDICATOR
lamp comes on regardless of
the remote controller display.
• Refer to the following tables for details on the check codes.
[Output pattern A]
Beeper sounds Beep
OPERATION
INDICATOR
lamp flash
Off
pattern
Approx. 2.5 sec.
Self-check
starts
(Start signal
Number of flashes/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 flash
Off
pattern
Approx. 2.5 sec.
Self-check
starts
(Start signal
received)
[Output pattern A] Errors detected by indoor unit
Beeper sounds/OPERATION
INDICATOR lamp flashes 1 Check code
(Number of times)
1 P1
2 P2, P9
3 E6, E7
4 P4
5 P5
6 P6
7 EE
8 P8
9 E4
10 –
11 –
12 Fb
[Output pattern B] Errors detected by unit other than indoor unit (outdoor unit, etc.)
Beeper sounds/OPERATION
INDICATOR lamp flashes 1 Check code
(Number of times)
1 E9
2 UP
3 U3, U4
4 UF
5 U2
6 U1, Ud
7 U5
8 U8
9 U6
10 U7
11 U9, UH
12 –
13 –
14 Others
*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.
14
OPERATION INDICATOR lamp
Beep Beep Beep Beep
1 st 2 nd 3 rd n th
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 flashes/beeps in pattern indicates the check
code in the following table (i.e., n=5 for "P5")
Intake sensor error
Pipe (Liquid or 2-phase pipe) sensor error
Indoor/outdoor unit communication error
Drain sensor error
Drain pump error
Freezing/Overheating safeguard operation
Communication error between indoor and outdoor units
Pipe temperature error
Remote controller signal receiving error
–
–
Indoor unit control system error (memory error, etc.)
Indoor/outdoor unit communication error (Transmitting error) (Outdoor unit)
Compressor overcurrent interruption
Open/short of outdoor unit thermistors
Compressor overcurrent interruption (When compressor locked)
Abnormal high discharging temperature/49C worked/insufficient refrigerant
Abnormal high pressure (63H worked)/Overheating safeguard operation
Abnormal temperature of heat sink
Outdoor unit fan safeguard stop
Compressor overcurrent interruption/Abnormal of power module
Abnormality of super heat due to low discharge temperature
Abnormality such as overvoltage or voltage shortage and abnormal synchronous
signal to main circuit/Current sensor error
–
–
Other errors (Refer to the technical manual for the outdoor unit.)
10.4.2. Wireless remote controller
1 Turn ON the power.
2 While pressing both the MODE SELECT button and TOO COOL button on the
remote controller at the same time, press the RESET button.
3 Release the RESET button.
4 Release the other two buttons. After three seconds, all items in the LCD are dis-
played.
5 Transmit the signal of remote controller by pressing the OPERATE/STOP (ON/
OFF) button on the remote controller.
(The above procedure allows OPERATION INDICATOR lamp to indicate the fail-
ure-mode.)
6 Transmit the signal of remote controller by pressing the OPERATE/STOP (ON/
OFF) button to stop the self-check.
Beep Beep
1 st 2 nd · · · Repeated
Off On On
Approx. 2.5 sec. 0.5 sec. 0.5 sec.
Number of flashes/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 flashes/beeps in pattern indicates
the check code in the following table
Remark
Remark
For details, check the LED display
of the outdoor controller board.