Mitsubishi Electric Mr. SLIM MSZ-FA25VA Technical Manual página 326

Resolución de averías
2-2. Wired remote controller
˚C
˚C
TEMP.
MENU ON/OFF
BACK MONITOR/SET DAY
OPERATION
PAR-21MAA CLOCK
CHECK button
Refrigerant address
TEMP. button
IC:Indoor unit
OC:Outdoor unit
Check code
2-3. Failure mode table (Wireless remote controller/Wired remote controller)
[Output pattern A] Errors detected by indoor unit
Wired remote controller Wireless remote controller
Beeper sounds/OPERATION INDICATOR
Check code
lamp flashes
(Number of times)
P1
P2
P9
E6,E7
P4
P5
P6
EE
P8
E4, E5
–
–
Fb
E0, E3
E1, E2
[Output pattern B] Errors detected by unit other than indoor unit (outdoor unit, etc.)
Wired remote controller Wireless remote controller
Beeper sounds/OPERATION INDICATOR
Check code
lamp flashes
(Number of times)
E9
UP
U3,U4
UF
U2
U1,Ud
U5
U8
U6
U7
U9,UH
–
–
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.
• On wireless remote controller
The continuous buzzer sounds from receiving section of indoor unit.
Blink of operation lamp
• On wired remote controller
Check code displayed in the LCD.
326
SIMPLE
ON/OFF
FILTER
CHECK TEST
CLEAR
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.
1 Intake sensor error
Pipe (TH2) sensor error
2
Pipe (TH5) sensor error
3 Indoor/outdoor unit communication error
4 Drain sensor error
5 Drain pump error
6 Freeing/Overheating safeguard operation
7 Communication error between indoor and outdoor units
8 Pipe temperature error
9 Remote controller signal receiving error
10 –
11 –
12 Indoor unit control system error (memory error, etc.)
– Remote controller transmission error
– Remote controller control board error
1 Indoor/outdoor unit communication error (Transmitting error) (Outdoor unit)
2 Compressor overcurrent interruption
3 Open/short of outdoor unit thermistors
4 Compressor overcurrent interruption (When compressor locked)
5 Abnormal high discharging temperature/49C worked/insufficient refrigerant
6 Abnormal high pressure (63H worked)/Overheating safeguard operation
7 Abnormal temperature of heat sink
8 Outdoor unit fan safeguard stop
9 Compressor overcurrent interruption/Abnormal of power module
10 Abnormality of super heat due to low discharge temperature
Abnormality such as overvoltage or voltage shortage and abnormal synchronous
11
signal to main circuit/Current sensor error
12 –
13 –
14 Other errors
Symptom
Symptom
Remark
Remark
For details, check the LED display
of the outdoor controller board.