SMC Networks AMS20, Руководство по эксплуатации

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-97-
No.PF
※※
-OMA1007
Troubleshooting
If an operation failure of the product occurs, please confirm the cause of the problem using the following
table.
If the cause applicable to the problem cannot be identified and normal operation can be recovered by
replacement with a new product, this indicates that the product itself was faulty. Problems with the product
may be due to the operating environment (network configuration etc). Please consult SMC.
● Troubleshooting list
•Troubleshooting with Air Management Hub display
Error indication
Problem Possible
causes
Investigation method Countermeasure
•
System error
(Er0, 4 to 16, 40)
is displayed
•
"HHH", "LLL" is
displayed
•
Hardware error
(Er1, 2) is
displayed
Incorrect internal
data processing of
the product
(Er0, 4 to 16, 40)
(1) Check if there is noise interference
(such as static electricity).
Check if there is a noise source
nearby.
(2) Check if the power supply voltage is
in the range 24 VDC ±10%.
(1) Remove the noise and the
noise source (or take
measures to prevent noise
interference) and reset the
product (or turn off and then
turn back on the power
supply.
(2) Check that the Power
supply voltage is within
24 VDC ±10%.
The measured
value exceeds the
upper limit (HHH)
or lower limit (LLL)
(1) Check if the value exceeds the
upper or lower limit of the set range.
(2) Check if foreign matter has entered
the piping.
(1) Return the value to within the
set range.
(2) Take measures to prevent
foreign matter from entering
the piping.
Product failure
(Er1, 2)
Replace the product
The display is
unstable.
Incorrect power
supply
Check if the power supply voltage is in
the range 24 VDC ±10%.
Power supply voltage shall be
within 24 VDC ±10%.
Incorrect wiring
Check the power supply wiring
Check if the brown and blue wires are
connected to DC(+) and DC(-)
respectively, and if the wiring is secure
Check and correct the wiring.
Factory line
pressure is not
stable
Check if the factory line pressure is
changing.
Setting of the response time may
improve the condition.