Hitachi YUTAKI RWM-2R1E User Manual

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."
? NOTE
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 n
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

Hitachi YUTAKI RWM-2R1E Specifications

General

Brand	Hitachi
Model	YUTAKI RWM-2R1E
Category	Air Conditioner
Language	English