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Troubleshooting by Remote Controller
Si20-701_B
109
Troubleshooting
Note:
∗
1 Capacity is factory setting in the data IC on the PCB.
A capacity setting adaptor that matches the capacity
of the unit is required in the following case.
If the indoor unit PCB installed at the factory is for
some reason changed at the installation site, the
capacity will not be contained in the replacement
PCB.
If you connect a capacity setting adaptor to a PCB in
which the capacity is memorized, the capacity setting
for the PCB will become the capacity setting of the
adaptor. (Priority of capacity setting adaptor)
Is the
capacity setting
adaptor plugged into
the connector of the
indoor unit
PCB?
NO
YES
Plug a capacitor
setting adaptor
that matches the
capacity of the
unit into the
connector. (
∗
1)
Turn OFF the power
supply and turn the power
ON.
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
The error
is displayed again.
YES
Replace the
indoor unit PCB.
External factor
(Noise, etc.).
NO