Error Codes - LG DOAS Installation And Operation Manual

START-UP

Error Codes

Error Codes
Below is a list of possible error codes that will appear on an LG Programmable Thermostat if the DOAS is not communicating with the
outdoor unit.
Table 6: Error Codes
Error Code
CH 01 Room Temperature
CH 02 Pipe In Temperature Sensor Error
Communication Error Between Wired Remote Controller
CH 03
and Communication Kit
Communication Error Between Communication Kit and
CH 05
Outdoor Unit
CH 06 Pipe Out Temperature Sensor Error
CH 09 Option PCB EEPROM Error
Once communication between outdoor units and DOAS unit is confirmed, you may proceed to the JENEsys AHU controller start up on next
page. Errors on the JENEsys controller are explained on page 38.
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Error
Due to our policy of continuous product innovation, some specifications may change without notification.
Error Cause
Temperature sensor disconnection or short circuit
Temperature sensor disconnection or short circuit on pipe inlet of DOAS unit
No communication signal for more than 3 minutes from wired remote
controller to the communication kit
No communication signal for 5 minutes continuously from communication kit
to outdoor unit
Temperature sensor disconnection or short circuit on pipe outlet of DOAS unit
No signal reading 5 continuous times from EEPROM to communication kit