Mitsubishi Electric PAR-SL101A-E Serie Manual De Instrucciones / Manual De Instalación página 32

7. Service
■ Mr. Slim output contents
[Output pattern A] Errors detected by indoor unit
Wireless remote controller
Beeper sounds/OPERATION
INDICATOR lamp blinks
(Number of times)
1
2
3
4
5
6
en
7
8
9
10
11
12
14
[Output pattern B] Errors detected by unit other than indoor unit (outdoor unit, etc.) * The supported check codes may
vary depending on the connected outdoor unit.
Wireless remote controller
Beeper sounds/OPERATION
INDICATOR lamp blinks
(Number of times)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
[Output pattern C] Errors detected by unit other than indoor unit (outdoor unit, etc.)
Wireless remote controller
Beeper sounds/OPERATION
INDICATOR lamp blinks
(Number of times)
9
14
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/Float switch connector open
P5 Drain overflow protection operation
PA Forced compressor error
Freezing (during cooling operation)/Overheating protection operation
P6
(during heating operation)
EE Assembly error (system error)
P8 Pipe temperature error
E4 Communication error between wired remote controller and indoor unit
— —
Pb Indoor unit fan motor error
Fb Indoor unit control system error (memory error, etc.)
PL Refrigerant circuit abnormal
Wired remote
controller
Check code
E9 Indoor/outdoor unit communication error
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 refriger-
U2
ant
U1, Ud Abnormal high pressure (63H worked)/Overheating protection 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.)
Wired remote
controller
Check code
EH Panel communication abnormal (auto ascending/descending panel)
Symptom
Symptom
Symptom
Remark
Remark
For details,
check the LED
display of the
outdoor con-
troller board.
Remark