[remote control displays malfunction code]
If any malfunction codes other than the above are displayed, check the service manual for how
The shutoff valve of the outdoor
unit is left closed.
The phases of the power to the
outdoor unit is reversed.
No power is supplied to an outdoor
or indoor unit (including phase
There is conflict on the connection
of transmission wiring in the
If the outdoor unit terminal is
connected when there is one
outdoor unit installed.
Open the shutoff valve.
Exchange two of the three phases (L1, L2, L3) to
make a proper connection.
Make sure the power source wire is properly
connected to the outdoor unit and revise if
Check if the refrigerant piping line and the
transmission wiring are consistent with each other.
Recalculate the additional amount refrigerant from
the piping length and correct the refrigerant charge
level by recovering any excessive refrigerant with
a refrigerant recovery machine.
• Check if the additional refrigerant charge has
been finished correctly.
• Recalculate the additional amount refrigerant
from the piping length and add the adequate
Remove the line from the outdoor multi terminals
(Q1 and Q2).