Mitsubishi Mr.Slim PLA-A, Installation Manual

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7.2.3. Using SW4 in outdoor unit
Refer to the outdoor unit installation manual.
7.3. Self-check
7.3.1. Wired remote controller (Fig. 7-3)
1
Turn on the power.
2
Press the [CHECK] button twice.
3 Set refrigerant address with [TEMP] button if system control is used.
4
Press the [ON/OFF] button to stop the self-check.
A CHECK button
B
Refrigerant address
C
TEMP. button
D IC: Indoor unit
OC: Outdoor unit
E Check code
F
Unit address
7.3.2. Wireless remote controller (Fig. 7-4)
1
Turn on the power.
2
Press the
CHECK
button twice.
(Start this operation from the status of remote controller display turned off.)
A
CHECK
begins to light.
B
“00” begins to blink.
3
While pointing the remote controller toward the unit’s receiver, press the
h
button. The check code will be indicated by the number of times that the buzzer
sounds from the receiver section and the number of blinks of the operation lamp.
4
Press the ON/OFF button to stop the self-check.
7. Test run
ON/OFF TEMP
FAN
VANE
TEST RUN
AUTO STOP
AUTO START
h
min
LOUVER
MODE
CHECK
RESET SET CLOCK
CHECK
2
4
A
3
B
Fig. 7-4
Fig. 7-3
PAR-21MAA
ON/OFF
FILTER
CHECK
OPERATION CLEAR
TEST
TEMP.
MENU
BACK DAY MONITOR/SET
CLOCK
ON/OFF
ERROR CODE
ERROR CODE
ERROR CODE
C
B
A
B
F
E
E D
[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, P9 Pipe (Liquid or 2-phase pipe) sensor error
3 E6, E7 Indoor/outdoor unit communication error
4 P4 Drain sensor error
5 P5 Drain pump 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.)
No sound – – No corresponding
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. (Wireless remote controller)
[Output pattern A]
Wireless remote controller
Wired remote
controller
BG79U795H01_en.pm6 05.12.1, 9:48 AM 13