Ivation Energy Star IVAESDH50WP User Manual page 15

MALFUNCTION CODES
Display Malfunction
Code Name
F1 Ambient
Temperature
Sensor
Malfunction
F2 Tube
Temperature
Sensor
Malfunction
F5 Discharge
Temperature
Sensor
Malfunction
L1 Humidity Sensor
Malfunction
F0 Freon-Lacking
Protection
H3 High-
Temperature
Overload
Protection
E4 High discharge
temperature
Symptoms Possible Causes
Compressor and • Ambient temperature sensor
fan motor have is loose or is poorly connected
stopped. The to the display board terminal.
buttons on the • An element of the display
control panel do board may have been installed
not work. upside down and short-
circuited.
• Ambient temperature sensor is
damaged.
• Display board is damaged.
• Temperature sensor on the
evaporator is loose or poorly
connected to the display
board terminal.
• An element of the display
board may have been installed
upside down and short-
circuited.
• Temperature sensor on the
evaporator is damaged.
• Display board is damaged.
• Temperature sensor on the
evaporator is loose or poorly
connected to the display
board terminal.
• An element of the display
board may have been installed
upside down and short-
circuited.
• Display board is damaged.
• Humidity sensor is short-
circuited.
• Humidity sensor is damaged.
• Display board is damaged.
The compressor • Refrigerant is leaking.
stops and the • Unit is blocked.
fan motor
• Ambient operating conditions
stops after 30
are poor.
seconds.
• Evaporator and condenser are
blocked by dirt/dust.
The compressor • Device has encountered an
stops and the abnormal condition (blockage,
fan motor etc.)
stops after 30 • Motor rotation speed is
seconds. abnormal.
• Air intake is obstructed.
• Compressor discharge
temperature sensor is
damaged or poorly connected.
TROUBLESHOOTING
15