Mitsubishi Electric CITY MULTI PUMY-P200YKM3, Руководство по обслуживанию

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OCH791 _72
7105 (EF): Address setting error
Chart 1 of 2
Abnormal points and detection methods
The address setting of connected outdoor unit is wrong.
Causes and checkpoints
There is a unit without correct address setting in the range
specified in the installation manual.
Diagnosis of failure
<Outdoor unit>
<Indoor unit>
Set the address properly, then turn the power
OFF of indoor/outdoor unit, Fresh Master,
Lossnay and remote controller simultaneously
for 2 minutes or more, and turn the power back
ON.
Replace the indoor controller board.
Check whether the indoor unit address is set in
00, or in the range of 01 to 50.
<Branch box>
Set the address properly, then turn the power
OFF of indoor/outdoor unit, Fresh Master,
Lossnay and remote controller simultaneously
for 2 minutes or more, and turn the power back
ON.
Replace the branch box controller board.
Check whether the branch box address is set in
00, or in the range of 01 to 46.
Set the address properly, then turn the power
OFF of indoor/outdoor unit, Fresh Master,
Lossnay and remote controller simultaneously
for 2 minutes or more, and turn the power back
ON.
Replace the outdoor multi controller circuit
board.
Check whether the outdoor unit address is set in
000, or in the range of 51 to 100.
Is the address setting correct?
Is the address setting correct?
Is the address setting correct?
Yes
No
No
No
Yes
Yes