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6831
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Signal reception(Remote controller)
Following symptoms are regarded as
abnormality.
1) When the remote controller cannot
receive the signal from indoor controller
normally even once for 3 minutes
2) When the remote controller cannot
receive the signal even once for 2 minutes
Signal transmission(Remote controller)
Following symptoms are regarded as
abnormality.
1) When sub-remote controller cannot
transmit the signal to the transmission
path for 6 minutes
2) When the remote controller cannot
finish transmitting the signal for 30
times on end
1~3
Perform a check of the remote
controller.
According to the results, perform the
following process.
• When "RC OK" is displayed
The remote controller is normal.
Turn off the power supply and turn it
on again.
If "HO" is displayed for 4 minutes or
more, replace the indoor controller
board.
• When "RC NG" is displayed
Replace the remote controller.
• When "RC 6832 or 6833" or "ERC
00-66" is displayed
These displays may be due to noise,
etc.
4 Set one remote controller to main
remote controller and the other to
sub-remote controller.
Defect of the transmission and reception
circuit of the remote controller.
Defect of the transmission and
reception circuit of the indoor controller
board
Noise occurs on the transmission cable
of the remote controller
All remote controllers are set as
sub-remote controller.
1
2
3
4
Defect of the transmission and
reception circuit of the remote controller
Noise occurs on the transmission cable
of the remote controller
There are 2 main remote controllers.
1
2
3
Display
Abnormal point and detecting method
Causes
Check points
1
2
7100
1) Connecting total models of the
indoor unit exceed the specified
level.
Check the total models of connected
indoor unit.
When connected total models of the
indoor units exceed the specified level
(130% of the outdoor unit models), error
code <7100> is displayed.
Check the model code registration
switch (indoor controller board SW2)
of connected indoor unit.
2) There is a mistake in the registration
of model name code of the outdoor
unit.
· PUMY-P100 ( ~ code 26)
· PUMY-P125 ( ~ code 33)
· PUMY-P140 ( ~ code 38)
Check the model code registration
switch (outdoor multi controller board
SW4) of the outdoor unit.
OC376B--2.qxp 08.1.17 1:15 PM Page 50