F11 Cooling / Heating cycle
changeover abnormality
4 times
occurance
within 30
minutes
—
-4-way valve
-V-coil
F90 PFC control 4 times
occurance
within 10
minutes
—
-Voltage at PFC
F91 Refrigeration cycle
abnormality
7 times
occurance
continuously
—
-No refrigerant
(3-way valve is closed)
F93 Outdoor compressor
abnormal revolution
4 times
occurance
within 20
minutes
—
-Outdoor compressor
F95 Cool high pressure protection 4 times
occurance
within 20
minutes
—
-Outdoor refrigerant circuit
F96 IPM (power transistor)
overheating protection
— —
-Excess refrigerant
-Improper heat radiation
-IPM (Power transistor)
F97 Outdoor compressor
overheating protection
4 times
occurance
within 20
minutes
—
-Insufficient refrigerant
-Compressor
F98 Total running current
protection
3 times
occurance
within 20
minutes
—
-Excess refrigerant
-Improper heat radiation
F99 Outdoor Direct Current (DC)
peak detection
7 times
occurance
continuously
—
-Outdoor PCB
-IPM (Power transistor)
-Compressor
The memory data of error code is erased when the power supply is cut off, or press the Auto
Switch until “beep” sound heard following by pressing the “RESET” button at Remote Control.
Although operation forced to stop when abnormality detected, emergency operation is possible
for certain errors (refer to Error Codes Table) by using Remote Control or Auto Switch at indoor
unit. However, the Remote Control signal receiving soundis changed from one “beep” to four
“beep” sounds.
12.3. Remote Control
- Remote Control Reset
When the batteries are inserted for the first time, or the batteries
are replaced, all the indications will blink and the remote control
might not work.
If this happen, remove the cover of the remote control and push
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