Panasonic CU-E18CKR Service Manual page 94

F11 Cooling / Heating cycle
changeover abnormality
F90 PFC control
F91 Refrigeration cycle
abnormality
F93 Outdoor compressor
abnormal revolution
F95 Cool high pressure protection
F96 IPM (power transistor)
overheating protection
F97 Outdoor compressor
overheating protection
F98 Total running current
protection
F99 Outdoor Direct Current (DC)
peak detection
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
4 times
occurance
within 30
minutes
4 times
occurance
within 10
minutes
7 times
occurance
continuously
4 times
occurance
within 20
minutes
4 times
occurance
within 20
minutes
—
4 times
occurance
within 20
minutes
3 times
occurance
within 20
minutes
7 times
occurance
continuously
-
—
4-way valve
-
V-coil
-
—
Voltage at PFC
-
—
No refrigerant
(3-way valve is closed)
-
—
Outdoor compressor
-
—
Outdoor refrigerant circuit
-
—
Excess refrigerant
-
Improper heat radiation
-
IPM (Power transistor)
-
—
Insufficient refrigerant
-
Compressor
-
—
Excess refrigerant
-
Improper heat radiation
-
—
Outdoor PCB
-
IPM (Power transistor)
-
Compressor