Alarm
Code
Retry
Stop
Code
YUTAKI
S/SC
YUTAKI
S80
YUTAKI
M
Origin
Detail of Abnormality
Main Factors
100
-
o
o
o
Indoor-LCD
Compressor protection
"Compressor failure. This alarm code
appears when the following alarms
02, 07, 08, 45, 47 occur three times
within 6 hours."
?
N O T E
This alarm is shown in the outdoor
unit with alarm code “EE”.
101
-
o
-
Indoor
Activation of high pressure switch
102
P12
-
o
-
Indoor
Activation of protection control for
excessively high pressure
Stop after P12 retry due to discharge
pressure Pd ≥ 2.78 MPa continued
for 10 seconds.
104
P06
-
o
-
Indoor
Activation of low control
Stop after P06 retry due to Ps ≤ 0.15
MPa continued for 90 seconds
104
P06
-
o
-
Indoor
Activation of low control
Immediate stop with Ps ≤ 0.1 MPa
105
P11
-
o
-
Indoor
Excessively low pressure difference
Stop after P11 retry due to pressure
ratio ε < 1.8 continued for 3 minutes.
106
-
o
-
Indoor
Excessively high discharge gas
temperature
Td ≥ 120 ºC continued for 10
minutes, Td ≥ 140 ºC continued for 5
seconds
129
-
o
-
Indoor
Failure of discharge gas pressure
sensor
Loose, disconnected, broken or
short-circuited connector
130
-
o
-
Indoor
Failure of suction gas pressure
sensor
Loose, disconnected, broken or
short-circuited connector
132
-
o
-
Indoor
Transmission error between Inverter
PCB and Main PCB
Described in inverter abnormal stop
control
134
-
o
-
Indoor
Abnormality of Power Supply Phase
Reverse/Open Phase
135
-
o
-
Indoor
Incorrect PCB Setting
Wrong DSW setting in the case of
Co041
151
-
o
-
Indoor
Excessively low voltage or
excessively high voltage for the
inverter
Described in inverter abnormal stop
control
152
-
o
-
Indoor
Abnormal operation of the current
sensor
Described in inverter abnormal stop
control
153
-
o
-
Indoor
Activation of protection for inverter
instantaneous over current
Described in inverter abnormal stop
control
154
-
o
-
Indoor
Transistor module protection
activation
Described in inverter abnormal stop
control
155
-
o
-
Indoor
Increase in the inverter fin
temperature or abnormality
Described in inverter abnormal stop
control
156
-
o
-
Indoor
Inverter non operation
Described in inverter abnormal stop
control
157
-
o
-
Indoor
Inverter Communication abnormality
Described in inverter abnormal stop
control
TROUBLESHOOTING
PMML0575 rev.2 - 03/2022
316
