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DUAL, TRIPLE, POKER DC Inverter : 3. Outdoor Unitis & Troubleshooting
Multi Liberty
DC Inverter
Descrizione dell’anomalia
Malfunction of EEPROM on Indoor Unit
OPERATION
TIMER
DEF./FAN
Flashing
Flashing
OFF
ALARM
OFF
• Troubleshooting by LED indicators of Multi Liberty (HTFU, HSFU, HRBU) X Indoor Units
Malfunction of Indoor Unit’s EEPROM or PCB.
Replace Indoor Unit’s
PCB.
Disconnect the system from power supply. Wait
some minutes, then connect the system again to
power supply. Does anomaly persist?
EEPROM memory is well inserted in the base on
Indoor Unit’s PCB?
NO
The problem is solved: it was
only a transitory anomaly.
NO
Insert EEPROM memory in
the base firmly.
YES
YES