Mitsubishi Electric PQRY-P200YEM-A Service Handbook page 50

4) Deletion of information on address not existing
• Deletion of information on address not existing ................................................... 5
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
+ 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
switch (E) 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
to return to the original ordinary mode (with the remote controller under stopping).
˚C
INDOOR UNIT
ADDRESS NO
(Alternative
˚C
INDOOR UNIT
ADDRESS NO
TEMP
PAR-F27MEA
2 Press the switch for
confirmation (E)
switch (G) for the interlocked setting mode ( ii ). (See the figure below.)
switch (F) twice. (See the figure below.)
ERROR CODE
OA UNIT ADDRESS NO
display)
ERROR CODE
OA UNIT ADDRESS NO
1 + 2
ON/OFF
CLOCK ON OFF
FILTER
CHECK TEST
TIMER SET
3 Press the deletion switch (F) twice
1 Set the address (H)
switch (A + B) at the same time for 2 seconds
+
FILTER
When both indoor
unit and interlocked
unit addresses are
existing
3
3
Deletion of
address not
existing
–49–
+
FILTER
(TIMER SET) switch (H), and press
• Deletion completed
˚C
INDOOR UNIT ERROR CODE
ADDRESS NO OA UNIT ADDRESS NO
(Alternative
display)
˚C
INDOOR UNIT ERROR CODE
ADDRESS NO OA UNIT ADDRESS NO
• Deletion completed
˚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 (A