Hitachi airCloud HC-IOTGW, Инструкция по установке и обслуживанию, Страница: 32 / 64

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Item Phenomenon Check Action
4
The connection
with Cloud cannot
be established.
(4G module is
inserted)
Is the airCloud Gateway installed
in the area covered by 4G?
Make sure the airCloud Gateway is installed in the area covered by
4G signal.
Do the 4G signal strength LEDs
stay OFF?
If none of the above applies to the circumstances and phenomenon
described on the left remains, airCloud Gateway may have an
internal defect.
5
The connection
with Cloud cannot
be established.
(4G module is not
inserted)
Is LAN cable correctly connected
to airCloud Gateway?
Correctly connect LAN cable to airCloud Gateway.
Also check the fitting for connectors.
Is PC and airCloud Gateway in
the same subnet?
Refer to “5. Local Web for Firmware Update” to check IP address.
Is DS setting on airCloud Gateway
correct?
When changing DS setting, refer to “3.2.3 Switch Setting Procedures”
to check the procedure.
Is the power on HUB turned ON? Turn the power on HUB ON.
Does LAN cable meet
specification requirement?
Use LAN cable of CAT 5 or higher with length of 100m (328ft.) or
shorter.
Is LAN cable (and HUB) free from
loose connections shorted wires
or other issues?
Replace with new ones.
Does the LAN LED stay OFF?
If none of the above applies to the circumstances and phenomenon
described on the left remains, airCloud Gateway may have an
internal defect.
Contact your dealer or distributor.
8.2 Regular Inspection
In order to maintain the normal operation of air conditioning system including airCloud Gateway,
please check the following regularly.
(1) Surrounding Environment
● Is the temperature of airCloud Gateway unusually high?
● Is there any dust, powder, wire etc. entering the airCloud Gateway?
(2) LED Indication
● Is POWER LED light?
● Is ERROR LED light or flash?
● Is H-LINK, UPLINK LED light or flash?
● Is 4G LINK LEDs has enough strength?
(3) Installation and Connection
● Whether the installation of airCloud Gateway is loose or not?
● Whether the connection lines is normal?
9. Memory Cards
airCloud Gateway provides slots for microSD/microSDHC memory cards that applies to SD
standard. This function is reserved for service maintenance.
Memory cards are used to store communication logs.
<Regarding trademarks>
microSD, microSDHC, and microSDXC logos are trademark of SD-3C, LLC.
HC