Panasonic CS-F14DD3E5, Service Manual

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12.6. Self-diagnosis error code table
•
The display screen on the wired remote control unit and the self-diagnosis LEDs (red) on the outdoor unit printed circuit board
in the outdoor unit can be used to indicate where the location of a problem is.
Refer to the table below to remove the cause of the problem, and then re-start the air conditioner system.
•
If the problem disappears and operation returns to normal, the CHECK display on the remote control unit will switch off, but the
self-diagnosis LED will remain illuminated until operation is resumed.
LED Symbol Description
Off
Flashing
Illuminated
Wired remote
control unit display
Outdoor unit printed circuit board
LED
Location of problem Check location
Abnormal
display
Detail
display
2 3 4 5 6 7 8
F15 -01 Drain level Float switch problem Drain pump and drain pipe, indoor unit
connectors
F16 -01 Louver switch problem Louver motor, decorative panel
connection terminal, or indoor unit louver
motor connectors
F17 -02 D. C Fan Motor problem Indoor unit D.C. Fan motor or connection
terminals
F20 -01 Indoor temperature sensor
problem Indoor temperature sensor lead wire or
indoor unit connector
-02 Remote control thermistor
problem Remote control thermistor
F21 -01 Pipe temp. sensor problem
(indoor unit) Pipe temperature sensor lead wire or
indoor unit connector
F26 -01 Remote control transmission
problem Remote control unit cable and connection
terminals
F27 -01 Indoor/outdoor unit
disconnection problem Indoor/outdoor unit connection cable and
connection terminals, or indoor unit power
supplies (indoor side)
-05 Indoor/outdoor unit connection
error problem Indoor/outdoor unit connection wire
(indoor side)
-01 Indoor/outdoor unit
disconnection problem Indoor/outdoor unit connection cable and
connection terminals, or outdoor unit
power supplies (outdoor side)
-05 Indoor/outdoor unit connection
problem Indoor/outdoor unit connection wire
(outdoor side)
F30 -01 System problem Total capacity for the number of indoor
units is insufficient, or over. Check the
total capacity and the number of indoor
units
-02 Open phase, or reversed phase
of supply Check the main power supply terminal
board connections, or switch over any two
of the power supply wires.
F31 -01 Suction pressure protection Insufficient refrigerant or valve operation
(closed)
-02 High-pressure cut-off Check the Refrigeration system
-06 4 way valve information Check the 4 way valve or lead wire
-10 Refrigerant system problem Valve operation (closed) or refrigerant
system
F32 -05 Compressor overcurrent
protection Open phase or lock in compressor
-06 Compressor discharge temp.
protection Insufficient refrigerant
F40 -21 Heat exchanger outlet
temperature sensor problem Outdoor heat exchanger outlet
temperature sensor (COND TEMP) lead
wire, connector
-51 Compressor discharge
temperature sensor problem Compressor discharge temperature
sensor (DIS T. TEMP) lead wire,
connector
F41 -02 High pressure switch open
circuit problem High-pressure switch lead wire, connector
-12 Low pressure sensor problem Low pressure sensor lead wire, connector
or valve operation (closed)
F42 -11 Current detector open circuit Outdoor unit current detector fault or
connector compressor fault or refrigerant
system
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