Panasonic S-18PU3HB, Operating Instructions Manual, Page: 23 / 28

23
English
T
roubleshooting
How to retrieve error codes
If the unit stops and the TIMER indicator blinks, use the remote control to retrieve the error code.
TIMER
SET
CANCEL
ON
OFF
SET CHECK CLOCK RESET
AC RC
TIMER
SET
CANCEL
ON
OFF
SET CLOCK RESET
AC RC
Press for 5 seconds
until a code is
displayed
Press button or until
you hear beep sound, then
write down the error code
2 1
Press for 5 seconds
to quit checking
3 Turn the unit off and inform
the error code to an
authorised dealer.
4
Diagnostic display Abnormality/Protection control
Outdoor
E06 Outdoor Unit Error In Receiving Signal from Indoor Unit
E12 Automatic Address Setting Start Prohibition
E14 Duplication of Main Unit in Group Control
E15 The Total Capacity of Indoor Units is Too Low
E16 The Total Capacity of Indoor Units is Too High
E20 Indoor/Outdoor Communication Wire Connection Abnormal
E24 Outdoor unit communication error
E29 Outdoor unit communication error
F04 Outdoor Compressor Discharge Temperature Sensor (TD) Abnormal
F06 Outdoor Heat Exchanger (Liquid) Temperature Sensor (C1) Abnormal
F07 Outdoor Heat Exchanger (Center) Temperature Sensor (C2) Abnormal
F08 Outdoor Air Temperature Sensor (TO) Abnormal
F12 Outdoor Compressor Suction Temperature Sensor (TS) Abnormal
F23 Outdoor gas pipe temperature sensor trouble
F24 Outdoor liquid pipe temperature sensor trouble
F31 Outdoor Unit PCB EEPROM Abnormal
H01 Compressor Over Current Detected
H02 PAM/PFC Abnormal
H03 Primary Current CT Sensor Abnormal
H31 HIC Abnormal, DC Voltage Not Detected
L04 Duplication of Outdoor Unit Address
L10 Outdoor Unit Capacity Is Not Set Or Wrong Setting
L13 Indoor Unit Type Is Not Set Or Wrong Setting
L18 4-Way Valve Operation Abnormal
P03 Compressor Discharge Temperature Abnormal
P04 High Pressure Switch Is Activated
P05 AC Power Supply Abnormal
P07 HIC (IPM) Temperature Abnormal
P13 Refrigerant Valve Abnormal
P15 Insuf fi cient Refrigerant or Valve Closed
P16 Outdoor Compressor Over Current
P22 Outdoor Fan Motor Abnormal
P29 Outdoor Compressor Start-up Abnormal
P31 Indoor Unit Group Control Abnormal