Mitsubishi Electric Mr.Slim PEAD-A09AA7 Installation Manual page 17

9. Test run
9.3. Self-check
 Refer to the installation manual that comes with each remote controller for details.
 RF thermostat is not established.
• 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
received)
[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
IR wireless remote controller
Beeper sounds/OPERATION
INDICATOR lamp flashes
(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
No sound – –
[Output pattern B] Errors detected by unit other than indoor unit (outdoor unit, etc.)
IR wireless remote controller
Beeper sounds/OPERATION
INDICATOR lamp flashes
(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.
Beep Beep Beep
st nd rd
1 2 3
On On On
0.5 sec. 0.5 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 "P5")
Beep
st
1
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
RF thermostat
Check code
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.)
No corresponding
Wired remote controller
RF thermostat
Check code
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 protection 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.)
Beep Beep
Beep
st nd
th
1 2
n
Off
On 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 Beep
nd rd th
2 3 n
On On On
0.5 sec. 0.5 sec. Approx. 2.5 sec.
Symptom
Symptom
· · · Repeated
Beep
1
Off On
On
Approx. 3 sec. 0.5 sec.
Number of blinks/beeps in pattern indicates
the check code in the following table
For details, check the LED
display of the outdoor controller
board.
Beep
st nd · · · Repeated
2
On
0.5 sec.
Remark
Remark
17