Panasonic S-36PU1E5A Service Manual page 556

• The outdoor unit maintenance remote controller can be used to check the alarm display.
The number of times that LED 1 and 2 blink on the outdoor unit control PCB can be used to check the alarm display.
(Refer to "Checking the LED 1 and 2 Alarm Display on the Outdoor Unit Control PCB.")
Alarm
Code
E01 Remote Controller Reception Error
E02 Remote Controller Transmission Error
E03 Error in Indoor Unit Receiving Signal from Remote Controller (central)
E04 Error in Indoor Unit Receiving Signal from the Outdoor Unit
E05 Error in Indoor Unit Transmitting Signal to the Outdoor Unit
E06 Outdoor Unit Failed to Receive Serial Communication Signals from Indoor Unit
E08 Duplicate Indoor Unit Address Settings Error
E09 More Than One Remote Controller Set to Main Error
E12 Automatic Address Setting Start is Prohibited while Auto-address Setting in Progress.
E14 Main Unit duplication in Simultaneous-operation Multi Control (detected outdoor unit)
E15 Automatic Address Alarm (The total capacity of indoor units is too low.)
Automatic Address Alarm (The total capacity of indoor units is too high or the total number of indoor units is
E16
4 too many.)
E18 Faulty Communication in Group Control Wiring
E20 Connection Problem of Indoor/Outdoor Units.
F04 Compressor Discharge Temperature Sensor (TD) Trouble
F06 Inlet Temperature Sensor (C1) in Heat Exchanger Trouble
F07 Intermediate Temperature Sensor (C2) in Heat Exchanger Trouble
F08 Outdoor Air Temperature Sensor (TO) Trouble
F12 Compressor Inlet Suction Temperature Sensor (TS) Trouble
F31 Outdoor Unit Nonvolatile Memory (EEPROM) Trouble
H01 Primary (input) Overcurrent Detected
H02 PAM Trouble
H03 Primary Current CT Sensor (current sensor) Failure
H31 HIC Trouble
L04 Outdoor Unit Address Duplication
L10 Outdoor Unit Capacity not Set or Invalid
L13 Indoor Unit Type Setting Error
L18 4-way Valve Operation Failure
P03 Compressor Discharge Temperature Trouble
P04 High Pressure Trouble
P05 AC Power Supply Trouble
P13 Alarm Valve Open
P14 O Sensor Detect
2
P15 Insufficient Gas Level Detected
P16 Compressor Overcurrent Trouble
P22 Outdoor Unit Fan Motor Trouble
P29 Lack of INV compressor wiring, INV compressor actuation failure (including locked), DCCT failure
P31 Group Control Error
Alarm Meaning
4-48