Error Codes - Trane 17 Series Installer's Manual

17 Series Mini-Split

Error Codes

The error code will be displayed on the wired controller and the main board of the outdoor
unit. The meaning of each error is as shown in the table below.
Code Reason
E0 IDU & ODU Communication failure
IDU Room Temperature sensor failure. (IDU RT
E1
failure)
IDU Coil temperature sensor failure.(IDU IPT
E2
failure)
E3 ODU Coil temperature sensor failure. (OPT)
E4 AC Cooling system abnormal
IDU/ODU mismatched failure (specially
E5
performance test on the production line)
IDU PG Fan motor / DC fan motor works
E6
abnormal (IDU failure)
E7 ODU Ambient Temperature sensor failure
E8 ODU Discharge Temperature sensor failure.
E9 IPM / Compressor driving control abnormal.
EA ODU Current Test circuit failure
"The Communication abnormal of Main PCB and
Eb
Display board(IDU failure)"
EE ODU EEPROM failure.
EF ODU DC fan motor failure.
EU ODU Voltage test circuit abnormal.
P0 IPM module protection.
P1 Over / under voltage protection.
P2 Over current protection.
ODU Discharge pipe Over temperature
P4
protection.
P5 Sub-cooling protection on Cooling mode.
P6 Overheating protection on Cooling mode.
P7 Overheating protection on Heating mode.
Outdoor Over temperature/Under temperature
P8
protection.
P9 Compressor driving protection (Load abnormal).
Communication failure for TOP fl ow unit/ Preset
PA
mode confl ict. (IDU failure)
Infrared Customer feeling test sensor failure.
(IDU)
F1 Electric Power test module failure. (IDU failure)
Remark
The IDU & ODU wiring connection correct?
IDU sensor and PCB.
IDU sensor and PCB.
ODU coil sensor and ODU PCB
Gas leakage? 2-way or 3-way valve
blocked etc.
/
Fan motor, fan blade and PCB.
ODU ambient sensor and ODU PCB.
ODU discharge sensor and ODU PCB.
ODU PCB , compressor, etc.
ODU PCB broken?
Display board and main PCB.
1. ODU PCB broken?
2. Try to re-power on AC unit."
Fan motor, ODU PCB.
ODU PCB.
ODU PCB
1. ODU PCB broken?
2. Power supply abnormal?"
1. ODU PCB broken?
2. Power supply abnormal?"
Please check the troubleshooting for detail.
Please check the troubleshooting for detail.
Please check the troubleshooting for detail.
Please check the troubleshooting for detail.
Please check the troubleshooting for detail.
Please check the troubleshooting for detail.
Please check the troubleshooting for detail.
Querying by press remote controller
Querying by press remote controller