5.5 ALARM CODE LIST
Refer to Service Manual for the alarm explanation and repair procedure in case of Indoor Unit or Outdoor Unit alarm.
5.6 TROUBLESHOOTING
ALARM CODE
DESCRIPTION
COUNTERMEASURE
LED2 is flickering
Abnormal operation
Shut down the device power supply and restore it after 5 s. If LED2 is still flickering contact to
the Hitachi customer service
6 NET CONFIGURATION KIT
This accessory provides all the necessary cables for Hitachi installers when commissioning a Modbus installation.
Components List:
USB cable
Ethernet crossed cable
USB Pen drive Memory
1x
1x
1x
The USB Pen Drive Memory includes a software tool for Modbus communication check when commissioning.
The USB cable in only required when configuring the device (network parameters)
The Ethernet cable is provided for a quick connection with a laptop for the Modbus communication check.
NET CONFIGURATION KIT
PMML0351A rev.4 - 04/2020
20