Gree CM100N1480, Service Manual

Page: 140 / 266

GREE Multi Variable Air Conditioners Indoor Unit
134
CHAPTER 4 MAINTENANCE
1 Malfunction List
1.1 Malfunction List for the Wired Controller
Error
Code
Content
Error
Code
Content
Error
Code
Content
L0 Indoor Unit Error LA
Indoor Units
Incompatibility Error
d9 Jumper Cap Error
L1 Indoor Fan Protection LH Low Air Quality Warning dA
Indoor Unit Network
Address Error
L2 E-heater Protection LC
ODU-IDU Incompatibility
Error
dH
Wired Controller PCB
Error
L3 Water Full Protection d1 Indoor Unit PCB Error dC
Capacity DIP Switch
Setting Error.
L4
Wired Controller Power
Supply Error
d3
Ambient Temperature
Sensor Error
dL
Outlet Air Temperature
Sensor Error
L5 Freeze protection d4
Inlet Pipe Temperature
Sensor Error
dE
Indoor Unit CO
2
Sensor
Error
L7
No Master Indoor Unit
Error
d6
Outlet Pipe Temperature
Sensor Error
dy
Water Temperature
Sensor Error
L8
Power Insufficiency
Protection
d7 Humidity Sensor Error C0 Communication Error
L9
Quantity Of Group Control
Indoor Units Setting Error
d8 Water Temperature Error AJ Filter Cleaning Reminder
db Special Code: Field Debugging Code
1.2 Display of Light Board (Only for Two-way Cassette Type Indoor
Unit)
The panel of this model is without nixie tube display. The error codes will be displayed through the
power light, operation light and timer light;
○
,
●
and
◎
stand for on, off and blink respectively.
Power light
○ ◎ ◎ ◎ ◎
Operation light
◎ ● ○ ○ ◎
Timer light
● ○ ● ○ ●
Error code display sheet
Error code C0 A0 A3/A4 L0 L1 L3 L5 d1 d3 d4 d6 d7 E0 db
Power light
◎ ○ ○ ● ● ● ○ ◎ ◎ ◎ ● ○ ● ◎
Operation
light
◎ ◎ ○ ● ○ ◎ ● ○ ● ◎ ◎ ◎ ◎ ●
Timer light
◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ○ ○ ○ ● ●
Error
description
C
om
m
un
ica
ti
on
err
or
To
be
de
bu
gg
ed
D
efr
os
tin
g/
oil
re
tu
rn
In
do
or
un
it
err
or
In
do
or
fa
n
pro
te
ctio
n
W
ate
rfu
ll
pro
te
ctio
n
Fre
ez
e
pro
te
ctio
n
In
do
or
un
it
P
C
B
err
or
A
m
bie
nt
te
m
pe
ra
tu
re
se
ns
or
err
or
In
let
pip
e
te
m
pe
ra
tu
re
se
ns
or
err
or
O
utle
tp
ip
e
te
m
pe
ra
tu
re
se
ns
or
err
or
H
um
idit
y
se
ns
or
err
or
O
utd
oo
ru
nit
err
or
Fie
ld
de
bu
gg
in
g
co
de