Multi VRF Floor Standing Indoor Unit
27
8.3 Check Before the Usage Season
(1) Check if there is blockage in the inlet or outlet vent of the air
conditioner.
(2) Check if the earth wire is earthed reliably.
(3) Check if the batteries in the wireless remote controller have been
replaced.
(4) Check if the air filter has been installed properly.
In order to start up the air conditioner smoothly after it has been turned off for
a long time, energize the unit 8 hours before turning it on.
8.4 Check After the Usage Season
(1) Clean filter and body of air conditioner.
(2) Cut off the main power supply of air conditioner.
9 Table of Error Code for Indoor Unit
Content
Content
Content
L0
Indoor Unit
Error.
L9
Control Indoor Units
d8
Water Temperature
Sensor Error.
L1
Indoor Fan
LA
Indoor Units
d9 Jumper Cap Error.
L2
E-heater
Protection.
LH
Low Air Quality
Warning.
dA
Indoor Unit
Network Address
L3
Water Full
LC
Outdoor-Indoor
dH
Wired Controller
L4
Power supply
of wired
controller is
d1
Indoor Unit Circuit
Board Error.
dC
Capacity DIP Switch
Setting Error.
L5
Anti-freezing
Protection.
d3
Ambient
Temperature Sensor
dE
Indoor Unit CO
2
Sensor Error.
L7
Indoor Unit
d4
Temperature Sensor
C0
Communication
Error.
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