Alarm
Code
Category
Type of abnormality
Main cause
5C
Outdoor fan
Abnormality in current detection circuit
EE
Compressor
Compressor protection
"Compressor failure. This alarm code appears when the following
alarms 02, 07, 08, 45, 47 occur three times within 6 hours."
b0
Indoor unit
model setting
Incorrect setting of unit model
No setting of unit capacity or incorrect setting of unit capacity.
b1
Number setting
Incorrect setting address or refrigerant cycle
Over 64 indoor units setting by number or indoor unit address.
b5
Incorrect setting of indoor unit number for
H-LINK type
The number of indoor units connected to the H-LINK II of one
system is 17 or higher.
Alarms for LCD
Alarm
Code
Retry
Stop
Code
YUTAKI
S/SC
Origin
Detail of Abnormality
Main Factors
202
-
(o)
LCD
Wrong settings of PC-ARFH2E
203
-
(o)
LCD
Sub PC-ARFH2E stops answering
to Main PC-ARFH2E
Loose, disconnected, broken or short-circuited
connector
204
-
(o)
LCD
Indoor unit stops answering to Main
PC-ARFH2E
Loose, disconnected, broken or short-circuited
connector
TROUBLESHOOTING
PMML0575 rev.1 - 09/2021
158