Table of Contents
Checking
Meaning, detecting method
code
7110
Connection number setting
abnormality
7111
Remote control sensor abnormality
Error not providing the temperature
designed to remote controller
sensor.
Trouble source :
Indoor unit
7113
Functional restriction error
System error before flashing
7116
operation
The refrigerant pipe has not been
washed.
Unset model error
7117
Different unit model error
7130
The check code will appear when
the indoor units with different
refrigerant systems are connected.
Cause
(1) Transmission booster is
faulty.
(2) Power supply of
transmission booster has
been cut.
(1) The remote controller without
the temperature sensor (the
wireless remote controller or
the M-NET compact remote
controller (mounted type)) is
used and the remote
controller sensor for the
indoor unit is specified.
(SW1-1 is ON.)
Disconnection of plug on main
board.
The model-switching switch
(SW4-3) is set wrong.
It is set to Replace MULTI.
Faulty wiring
Disconnected connector,
shorting, or contact failure.
The indoor unit that uses only
R22 or only R407C refrigerant is
connected.
The wrong unit model is
connected.
When connecting the slim
model (A control) with M-NET,
the connection adapter for
M-NET is connected to the
indoor unit.
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Checking method & Countermeasure
Check transmission booster and power
supply.
(a) Replace the remote controller with
the one with built-in temperature
sensor.
Check all main board connectors and
rectify faulty connection.
Check that the SW4-3 on the main
board is OFF.
Check for the contact of the connector
CNTYP1, 4, 5 on the main board.
Check the record of CNTYP1, 4, 5.
Check the connected indoor unit model.
Check whether the connecting adapter
for M-NET is not connected to the
indoor unit.
(Connect the connecting adapter for
M-NET to the outdoor unit.)
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Table of Contents
Troubleshooting
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