Mitsubishi Electric Mr.Slim SEZ-M25DA2 Manual De Instalación página 23

9. Test run
Refer to the following tables for details on the check codes. (Wireless remote controller)
[ Output pattern A]
Beeper sounds Beep
OPERATION
INDICATOR
Off
lamp blinking
Approx. 2.5 sec.
pattern
Self-check starts
(Start signal
received)
[ Output pattern B]
Beep
Beeper sounds
OPERATION
INDICATOR
Off
lamp blinking
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 flashes
(Number of times)
1
2
3
4
5
6
7
8
9
10
11
12
14
No sound
[ Output pattern B] Errors detected by unit other than indoor unit (outdoor unit, etc.)
Wireless remote controller
Beeper sounds/OPERATION
INDICATOR
lamp flashes (Number of times)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
*1 If the beeper does not sound again after the initial t o beeps to confirm the self-check start signal
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 t o beeps to confirm the self-check start signal
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
Beep Beep Beep Beep
th
1 st 2 nd 3 rd n
On
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 Beep
1 st 2 nd
On On
On
0.5 sec. 0.5 sec.
Approx.3 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, P9 Pipe (Liquid or 2-phase pipe) sensor error
E6, E7 Indoor/outdoor unit communication error
P4 Drain sensor error
P5 Drain pump error
P6 Freezing/Overheating safeguard operation
EE Communication error between indoor and outdoor units
P8 Pipe temperature error
E4 Remote controller signal receiving error
– –
– –
Fb Indoor unit control system error (memory error, etc.)
PL Refrigerant circuit abnormal
– – No corresponding
Wired remote
controller
Check code
E9 Indoor/outdoor unit communication error (Transmitting error) (Outdoor unit)
UP Compressor overcurrent interruption
U3, U4 Open/short of outdoor unit thermistors
UF Compressor overcurrent interruption (When compressor locked)
Abnormal high discharging temperature/49C worked/insufficient refrigerant
U2
U1, Ud Abnormal high pressure (63H worked)/Overheating safeguard operation
U5 Abnormal temperature of heat sink
U8 Outdoor unit fan protection stop
U6 Compressor overcurrent interruption/Abnormal of power module
U7 Abnormality of super heat due to low discharge temperature
Abnormality such as overvoltage or voltage shortage and abnormal
U9, UH
synchronous signal to main circuit/Current sensor error
– –
– –
Others Other errors (Refer to the technical manual for the outdoor unit.)
Beep Beep
1 st 2 nd
· · · Repeated
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
n th
3 rd
Off
On On
0.5 sec. 0.5 sec.
Approx. 2.5 sec.
Symptom
Symptom
as received and the OPERATION INDICATOR lamp does
Beep Beep
1 st 2 nd
· · · Repeated
On On
On
0.5 sec. 0.5 sec.
Approx.3 sec.
Number of blinks/beeps in pattern indicates the
check code in the following table
Remark
Remark
For details, check the LED
display of the outdoor controller
board.
as
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