Troubleshooting Guide

8.2 Indoor Unit Error Display
For 2015 or earlier Floor Console Models
FB012GMFI16HLD (2015 or earlier)
Operation Timer De-frost
Failure
★
X X Indoor room temperature sensor (T1 ) malfunction
X X
★
Evaporator coil temperature sensor (T2) malfunction
X
★
X Communication malfunction between indoor and outdoor units

★
X Low ambient temperature cut off in heating
★ ★
X Indoor unit EEPROM parameter error
X
★

Outdoor fan speed has been out of control
★
X
★
Inverter module (IPM) malfunction
★
★ ★
Outdoor temperature sensor(coil sensor T3 or ambient temperature
sensor T4) malfunction or Outdoor unit EEPROM parameter error
★

X Compressor top high temperature protection (OLP)
★ ◎
X Compressor drive protection
★
X

Indoor units mode conflict
★

★
Indoor fan speed has been out of control
◎
X X
In standby mode
●
◎ ◎
In force cooling mode
★flashat5Hz,light,Xextinguished,◎flashat0.5Hz