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Mitsubishi Electric PURY-(E)P200 Service Handbook page 231

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[ IX Troubleshooting ]
1. Error Code
6607
No ACK error
2. Error definition and error detection method
The error is detected when no acknowledgement (ACK signal) is received after the transmission. (eg. When the data is trans-
mitted six times in a row with 30 seconds interval, the error is detected on the transmission side.)
The address/attribute appeared on the display on the remote controller indicates the controller which did not provide
the response (ACK).
3. System configuration
(4) Errors that are not limited to a particular system
Error
Error dis-
source ad-
play
dress
Address
-
which
should not
be existed
HWE07130
Detection
method
-
(1)
Although the address of M-
NET remote controller has
been changed after the group
is set using M-NET remote
controller, the indoor unit is
keeping the memory of the
previous address. The same
symptom will appear for the
registration with SC.
(2)
Although the address of
LOSSNAY has been changed
after the interlock registration
of LOSSNAY is made using M-
NET remote controller, the in-
door unit is keeping the mem-
ory of the previous address.
- 222 -
Cause
1)
2)
Check method and remedy
Delete unnecessary informa-
tion of non-existing address
which some indoor units have.
Use either of the following two
methods for deletion.
Address deletion by M-NET re-
mote controller
Delete unnecessary address in-
formation using the manual set-
ting function of M-NET remote
controller. Refer to this service
handbook "4. [2]. Group set-
tings and interlock settings via
the ME remote controller 1. (3)
Address deletion".
Deletion of connection informa-
tion of the outdoor unit by the
deleting switch
Note that this switch deletes
all the group information set
via M-NET remote controller
and all the interlock informa-
tion of LOSSNAY and the in-
door unit.
Turn off the power source of
the outdoor unit, and wait for
5 minutes.
Turn on the dip switch (SW2-
2) on the outdoor unit control
board.
Turn on the power source of
the outdoor unit, and wait for
5 minutes.
Turn off the power source of
the outdoor unit, and wait for
5 minutes.
Turn off the dip switch (SW2-
2) on the outdoor unit control
board.
Turn on the power source of
the outdoor unit.
GB
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