Mitsubishi Electric CITY MULTI PUHY-400YMF-C Service Handbook page 57

4) Deletion of information on address not existing
• Deletion of information on address not existing ...................................................
This operation is to be conducted when "6607" error (No ACK error) is displayed on the remote controller caused
by the miss setting at test run, or due to the old memory remained at the alteration/modification of group
composition, and the address not existing will be deleted.
Note: The connection information (connection between indoor unit and outdoor unit) on the refrigerant system
can not be deleted.
An example to delete the system controller of "250" from the indoor unit of "007" is shown below.
[Operation procedure]
1
With the remote controller under stopping or at the display of "HO", continuously press the
A B
at the same time for 2 seconds to change to the registration mode.
( + )
2 Operate
3
Assign the unit address existing to "OA UNIT ADDRESS No." with the
E
switch ( ) to call the address to be deleted. (See the figure below.) As the error display on the remote controller is
usually transmitted from the indoor unit, "OA UNIT ADDRESS No." is used as the address of the indoor unit.
4
Press the
CLOCK ON OFF
5
After completing the deletion, continuously press the
seconds to return to the original ordinary mode (with the remote controller under stopping).
˚C
INDOOR UNIT ERROR CODE
ADDRESS NO OA UNIT ADDRESS NO
(Alternative
display)
˚C
INDOOR UNIT ERROR CODE
ADDRESS NO OA UNIT ADDRESS NO
TEMP
PAR-F27MEA
TIMER SET
2
Press the switch for
E
confirmation ( )
1
Set the address (
G
switch ( ) for the interlocked setting mode ( ii ). (See the figure below.)
F
switch ( ) twice. (See the figure below.)
3
3
1 2
+
ON/OFF
CLOCK ON OFF FILTER
CHECK TEST
3
Press the deletion switch
H
)
(TIMER SET) switch (
+ switch (
FILTER
• Deletion completed
When both indoor
unit and interlocked
unit addresses are
existing
• Deletion completed
Deletion of
address not
existing
F
( )twice
-54-
∞
+
FILTER
H
), and press
A B
+ ) at the same time for 2
˚C
INDOOR UNIT ERROR CODE
ADDRESS NO OA UNIT ADDRESS NO
(Alternative
display)
˚C
INDOOR UNIT ERROR CODE
ADDRESS NO OA UNIT ADDRESS NO
*
˚C
INDOOR UNIT ERROR CODE
ADDRESS NO OA UNIT ADDRESS NO
(Alternative
display)
˚C
INDOOR UNIT ERROR CODE
ADDRESS NO OA UNIT ADDRESS NO
*
switch