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Mitsubishi Electric PFAV-P250VM-E Service Manual page 172

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Table of Contents
[ X 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
HWE10190
Detection
method
-
(1)
Although the address of ME
remote controller has been
changed after the group is set
using ME remote controller,
the indoor unit is keeping the
memory of the previous ad-
dress. 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
ME remote controller, the in-
door unit is keeping the mem-
ory of the previous address.
- 163 -
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 ME remote
controller
Delete unnecessary address in-
formation using the manual set-
ting function of ME remote
controller.
Deletion of connection informa-
tion of the outdoor unit by the
deleting switch
Note that this switch deletes
all the group information set
via ME remote controller and
all the interlock information
of LOSSNAY and the indoor
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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