Toshiba MMY-MAP0804 Series, Быстрая справка

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Countermeasures
After modification of wiring, set up the addresses again
and check the number of connected outdoor units.
After modification of wiring, set up the addresses again
and check the number of connected indoor units.
Using the main indoor remote controller connected to a
group, start a test operation, specify the unit that is not
operating (the unit not connected to the group), and then
check the wiring.
Using the main indoor remote controller connected to a
group, start a test operation and then specify the unit
that is not operating (the unit not connected to the group).
Remove the fast-on terminal connected to remote
controller terminals A/B, and check the voltage.
If voltage is not applied (normally 15 to18 V), replace the
PC board.
Status
The number of
connected outdoor
units is too few.
The number of
connected indoor
units is too few.
The number of
outdoor units
connected to a
group is too few in
group operation
from an indoor
remote controller.
In Checking the Number of Connected Outdoor Units and Connected Indoor Units
after Address Setup, a Lower Number of Connected Units is Displayed.
(There are Outdoor/Indoor Units that do not Operate in a Test Operation.)
Troubleshooting in Test Operation (continue)
21
Cause
Miswiring of communication lines between outdoor units
or an unconnected wire .
(Address setup operation finished without recognizing a
miswired follower unit.)
Miswiring of communication lines between indoor units or
an unconnected wire .
(Address setup operation finished without recognizing a
miswired indoor unit.)
The indoor remote controller is not connected with wire.
Miswiring of the indoor remote controller
Indoor remote controller communication circuit error
If 220 V is incorrectly applied to the remote controller
terminal, the remote controller communication circuit fails.