2-41
102 F52E ・ F52F ・ F53B
E52D ・ E52E ・ E52F
Alarm
Logic
&
Possible
Causes
Alarm Logic Possible Causes
E52D:Fin temperature sensor failure Inverter board failure(Fin temperature sensor)
(Fin temperature≧150℃ or -45≦℃)
F52E:E52E is generated 4 times.
E52E:Over current failure
Inverter board failure(IPM part)
IPM:Intelligent Power Module
F52F:E52F is generated 4 times.
E52F:Compressor current sensor failure
Inverter board failure(Current detection part)
F53B:EEPROM failure when unit is on Inverter board failure (EEPROM part)
EEPROM : Electrically Erasable Program ROM
Trouble
Shooting
Replace Inverter board
Controller
Action
F52E, F52F, F53B Unit stop
E52D Restart after 3 minutes
E52E, E52F Restart after 3 minutes (F52E, F52F is generated at 4 times retry.)
02章19-44LX10F11B3TR16-02En.indd2-4102章19-44LX10F11B3TR16-02En.indd2-41 2016/02/0217:17:422016/02/0217:17:42