4. Troubleshooting
4-1. Things to check before diagnosis
4-1-1. Errors displayed on the Wired Remote Controller
Error codes for the Wired Remote Controller and the product connected to your Wired Remote Controller will be
displayed in the LCD display.
■ Wired remote controller error codes
Indication
Communication error between remote controller and the Hydro unit/Hydro unit HT
Communication error between master and slave remote controller
Tracking error between remote controller and the Hydro unit/Hydro unit H
Error due to exceeding maximum numbers of Hydro unit installation (16 units)
Error caused by installing mixed models
Remote controller's temperature sensor is disconnected or has problem
Data error on remote controller (Memory read/write error)
• For the error codes for your indoor/outdoor units and ventilator(ERV), refer to the installation manual of each device.
NOTE
Description
4-1
Troubleshooting