Wired Remote Controller - Mitsubishi Electric SUZ-KA25VA Technical & Service Manual

12-2-2. Wired remote controller

B E D
˚C
˚C
TEMP.
C
MENU ON/OFF
BACK MONITOR/SET DAY
PAR-21MAA CLOCK OPERATION
12-2-3. 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 blinks
(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
11
U9,UH
– 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.
A CHECK button
B Refrigerant address
C TEMP. button
D IC:Indoor unit
OC:Outdoor unit
SIMPLE
E Check code
ON/OFF
FILTER
CHECK TEST
CLEAR
A
Intake sensor error
Pipe (TH2) sensor error
Pipe (TH5) sensor error
Indoor/outdoor unit communication error
Drain sensor error
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 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
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.
Symptom
Symptom
53
Remark
Remark
For details, check the LED display
of the outdoor controller board.