Mitsubishi Electric PEA-RP200WKA Service Manual page 19

Digital error display on wireless remote controller
When air conditioner detects an error, the operation lamp on the indoor unit infrared adaptor will blink to indicate that the unit has
come to an abnormal stop. There are two error output patterns A and B as shown below.
[Output pattern A]
Confirmation of the connection to the wireless
remote controller for an effective signal reception
No output for 2.5 seconds
LED output that indicates a signal has been
successfully received from the wireless remote controller
[Output pattern B]
Confirmation of the connection to the wireless
remote controller for an effective signal reception
No output
for 2.5 seconds
LED output that indicates a signal has been
successfully received from the wireless remote controller
[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
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 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 on the LCD.
500 500 (ms)
....
First Second
time time
The number of output times is specified
for each error code.
500 500 500 (ms)
First Second
time time
Output
for 3 seconds
The number of output times is specified
for each error code.
Wired remote
controller
Check code
Intake sensor error
P1
Pipe (Liquid or 2-phase pipe) sensor error
P2, P9
Indoor/outdoor unit communication error
E6, E7
Drain sensor error
P4
Drain pump error
P5
Freezing/Overheating safeguard operation
P6
Communication error between indoor and outdoor units
EE
Pipe temperature error
P8
Remote controller signal receiving error
E4
–
–
Pb Fan controller error
Indoor unit control system error (memory error, etc.)
Fb
No corresponding
– –
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 or serial communication
error (Indoor unit)
–
–
Other errors (Refer to the technical manual for the outdoor unit.)
nth First
time time
No output for 2.5 seconds
The number of output times is specified
for each error code.
nth
time
No output Output
for 2.5 seconds for 3 seconds
Symptom
Symptom
17
Second
....
time
Repeat
Second
First
....
time
time
Repeat
The number of output times is specified
for each error code.
Remark
Remark
For details, check the LED
display of the outdoor controller
board.