Hitachi PC-ARFH1E1 02 Manual De Instrucciones página 60

TROUBLESHOOTING
Alarm
Category
Code
5C Outdoor fan Abnormality in current detection circuit
EE Compressor Compressor protection
Indoor unit
b0 Incorrect setting of unit model
model setting
b1 Incorrect setting address or refrigerant cycle
Number setting
Incorrect setting of indoor unit number for
b5
H-LINK type
2.1.3 Alarms for LCD
Alarm
Origin
Code
202 LCD
203 LCD
204 LCD
52 PMML0626 rev.0 - 07/2022
Type of abnormality
Detail of Abnormality
Wrong settings of PC-RFH1E1(02-03)
Sub PC-ARFH1E1(02/03) stops answering to
Main PC-ARFH1E1(02/03)
Indoor unit stops answering to Main PC-
ARFH1E1(02/03)
Main cause
"Compressor failure. This alarm code appears when the following
alarms 02, 07, 08, 45, 47 occur three times within 6 hours."
No setting of unit capacity or incorrect setting of unit capacity.
Over 64 indoor units setting by number or indoor unit address.
The number of indoor units connected to the H-LINK II of one
system is 17 or higher.
Main Factors
Loose, disconnected, broken or short-circuited connector
Loose, disconnected, broken or short-circuited connector