Mitsubishi Electric AE-200A Service Handbook page 55

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[V Troubleshooting]
Description and method of
Error code
detection
Apportioned calculation
data collection error
Error detected when an
error with
communication
between the AE-200
and AE-50/EW-50
continues for at least
three days while the
apportioned electricity
0097
billing function of the
AE-200 is enabled.
* When the
communication error
is less than three
days and the
apportioned electricity
billing function of the
AE-200 is disabled,
the error will be 6920.
External memory
read/write error
Error detected when
writing or reading
to/from the internal SD
card of the
AE-200/AE-50/EW-50
could not be performed
properly.
6204
Cause
1)
LAN contact failure
2)
The power of the HUB is not on.
3)
The IP address has not been set.
4)
Is the length of the LAN cable 100 m
(328 ft) or less?
5)
Is the transmission delay time 4
seconds or less round trip?
1)
An error occurred because the
reading or writing from/to the internal
SD card could not be performed due
to an unexpected erroneous
operation of the
AE-200/AE-50/EW-50 on which the
error occurred.
2)
The internal SD card has come out of
the slot.
3)
The AE-200/AE-50/EW-50 has
malfunctioned (circuit failure, etc.).
51
Check procedure and remedy
Cause 1) Check that the LAN cables
between the
AE-200/AE-50/EW-50 and HUB
are connected.
Cause 2) Check that the power of the HUB
is on.
Cause 3) Check the IP address of the
AE-200/AE-50/EW-50.
Cause 4) Use LAN cables that are 100 m
(328 ft) or less.
Cause 5) Check the communication state by
pinging. For the ping check
method, refer to "V [5] 2. About the
check method using ping." If the
ping is timed out, check the
following.
・ Are LAN cables of category 5 or better
being used?
・ Is there not connections to four or more
layers using a gateway, router, etc.?
Shut down the AC power of the
AE-200/AE-50/EW-50 and then turn it back
on and check the STATUS LED.
a)
If it is blinking in orange, shut down
the AC power of the
AE-200/AE-50/EW-50 and then
remove the back cover.
Reinsert the SD card, attach the back
cover, and then turn on the AC power
again.
→ If the LED is still blinking in orange,
the AE-200/AE-50/EW-50 has
failed. Replace the
AE-200/AE-50/EW-50.
Note: A commercially available SD
card cannot be used.
b)
If the LED is not blinking in orange
but the 6204 error is not resolved, the
AE-200/AE-50/EW-50 has failed.
Replace the AE-200/AE-50/EW-50.

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