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4.3 Normal/Abnormal Display
Refer Table 4.1 for normal/abnormal display of working conditions of the machine
Table 4.1 Normal/abnormal display
LED
Expressed
Name
Item
POWER
Power
RUN
working
conditions of
the machine
485TX
RS485 sends
out signal status
485RX
RS485 receives
signal status
H-NET
H-NET
Communication
Status
STAT
Status Display
LAN
LAN
Communication
Status
5. Maintenance and After-sale Services
5.1 Handling Methods in Abnormalities
Refer to Table 5.1 – Handling Methods in Abnormalities for methods judging and handling
abnormal conditions.
Table 5.1 – Handling Methods in Abnormalities
NO. Phenomenon
1
It cannot
connect air
conditioner and
meter reading
adapter in
Lighting Conditions
Power on
· Often lighting when the
machine implements air
conditioner connection
confirmation
· Lighting and dying
flickering in frequency of 0.5
seconds when the machine is
in normal working
When sending out data on
RS485
When receiving data on
RS485
· When data has been
received on H-NET
· When data has been sent
out on H-NET
· No H-NET system
connection
· Complete resetting
· Light when connection is
confirmed on LAN
· Flicker when data is
received or sent out on LAN
Content of Inspection
Check whether air conditioner
and meter reading adapter mac
address is set correctly in adapter
maintenance.
Check whether ip address of
Lighting-off Conditions
Power off
· Lighting and dying
flickering in frequency of 0.5
seconds when the machine is
in normal working
When it fails to send out data
on RS485
When it fails to receive data
on RS485
· When data fails to be
received on H-NET
· When data fails to be sent
out on H-NET
Other conditions
When no connection signal
is received on LAN
Handling Method
Log in adapter configuration page
and confirm mac address
configuration.
Set ip address of server and adapter
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