Hitachi airCloud HC-IOTGW Installation & Maintenance Manual page 30

Table 7.2 Indications and Condition for ERROR LED and Error Code of airCloud Gateway
State
Software start up Detected abnormality on the
failure software.
Memory check failure Detected abnormality while
(FlashROM) checking FlashROM.
Memory check failure Detected abnormality on checking
(SDRAM) SDRAM.
Detected abnormality while
File system failure
checking file system.
Immediately after power ON and
Application start up application starts up on normal
mode.
After turning ON the power on
normal mode, application starts
H-LINK initialization
up and detected abnormality on
failure
initializing H-LINK communication
port.
After turning ON the power on
Checking connection normal mode, application starts
with air conditioners up and then checking connection
with air conditioners.
After turning on the power
on normal mode, completed
Communication
connection checking with air
failure with air
conditioners and detected
conditioners
communication failure with 1 or
more air conditioners.
airCloud Gateway detects that
Combined with other
there is central controller which
central controller error
cannot connect together with it.
One or more above criteria are
Normal state
met.
*
Error code 60/61/64/65 can be checked on the local web browser, while error code 60/61/63/64/65 can be checked on the App.
60: Communication failure between airCloud Gateway and outdoor unit (While 1 or more indoor unit(s) is ON.)
61: Communication failure between indoor unit and airCloud Gateway (While the indoor unit is ON).
64: Communication failure between airCloud Gateway and outdoor unit while none of the indoor units are ON.
65: Communication failure between indoor unit and airCloud Gateway (While the indoor unit is OFF).
Lights/indicates when Goes OFF/clears when
The software has no error/
abnormality.
Checking FlashROM
successfully completed.
Checking SDRAM
successfully completed.
Checking file system
successfully completed.
1 second elapsed.
Initialization of H-LINK
communication port
successfully completed.
Connection checking
completed.
Communication on all the
detected air conditioners is
successfully established.
Remove the central controller
which cannot connect
together with airCloud
Gateway.
Please refer to "2.4
Specifications" for the central
controllers which can be
combined use with airCloud
Gateway.
After turning ON the power
on normal mode, none of the
above situations is observed.
28
ERROR
Error Code
LED state
ON N/A
ON N/A
ON N/A
ON N/A
ON for 1
N/A
second
ON N/A
Flashes
once in 5
N/A
sec.
(Repeated)
Flashes
once in 3
60/61/64/65*
sec.
(Repeated)
OFF 63*
OFF N/A
Indication
priority
1
2
3
4
5
6
7
8
9
10