Mitsubishi Electric S Series Manual page 103

S series
2-2. Wired remote controller
ERROR CODE
TEMP.
MENU ON/OFF
BACK MONITOR/SET DAY
OPERATION
PAR-21MAA CLOCK
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 blinks
(Number of times)
P1 1
P2
2
P9
E6,E7 3
P4 4
P5 5
P6 6
EE 7
P8 8
E4, E5 9
– 10
– 11
Fb 12
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 blinkes
(Number of times)
E9 1
UP 2
U3,U4 3
UF 4
U2 5
U1,Ud 6
U5 7
U8 8
U6 9
U7 10
U9,UH 11
–
12
13
–
Others 14
*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.
ERROR CODE
ON/OFF
FILTER
CHECK TEST
ERROR CODE
CLEAR
Intake sensor error
Pipe (TH2) sensor error
Pipe (TH5) sensor error
Indoor/outdoor unit communication error
Drain sensor error/Float switch connector open
Drain pump error
Freezing/Overheating protection operation
Communication error between indoor and outdoor units
Pipe temperature error
Remote controller signal receiving error
–
–
Indoor unit control system error (memory error, etc.)
Remote controller transmission error
Remote controller control board error
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 protection operation
Abnormal temperature of heatsink
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)
Turn on the power.
Press the [CHECK] button twice.
Set address with [TEMP] button if system control is used.
Press the [ON/OFF] button to stop the self-check.
CHECK button
Address
TEMP. button
IC : Indoor unit
OC: Outdoor unit
– – – – : No trouble generated in the past.
Check code
F F F F : No corresponding unit.
Unit No.
Timer ON/OFF button
<To cancel check code>
Display the error code on the self-check result display screen.
The address for self-check will blink when the
button is pressed twice within three seconds.
Symptom
Symptom
OUTDOOR UNIT
ON/OFF
Remark
Remark
For details, check the LED display
of the outdoor controller board.
B-103