LG HMC036KDT1 Service Manual - Page 22

diagnosis, Function

Page 22 highlights

Display Function Display Function 1. Heating Model Operation Indicator • Cooling, Soft Dry, Fan, Heating Sleep Timer Indicator • Sleep Mode -[ Timer Indicator • Timer Mode Defrost Indicator • Hot-start, Defrost 2. Cooling Model Operation Indicator • Cooling, Soft Dry, Fan Sleep Timer Indicator • Sleep Mode Timer Indicator • Timer Mode Compressor on Indicator H fl OUT DOOR Self-diagnosis Function • Error Indicator • The function is to self-diagnoisis airconditioner and express the troubles identifically if there is any trouble. • Error mark is ON/OFF for the operation LED of evaporator body in the same manner as the following table. - If more than two troubles occur simultaneously, primarily the highest trouble fo error code is expressed. • After error occurrence, if error is released, error LED is also released simultaneously. • To operate again on the occurrence of error code 12, be sure to pull out power cord and then re-insert. • Having or not of error code is different from Model. Error Code 1 2 8 Error LED (Indoor body operation LED) (once) RH l'ill3-s-eIc/ "1 1431s-e-cPill IIIII3-s-e/oIiii I (twice) H n l'I 3sec ll'i 1 I (3times) n Ill- 3sec II1 1431s-ec01 (5times) I Ill i/P1 Error contents SVC check point • Indoor suction temperature thermistor open/short. • Indoor pipe temperature • Indoor TH ass'y check •thermistor open/short. Outdoor suction temperature thermistor open/short. • Outdoor pipe temperature •thermistor open/short. Abnormal operation of multi • Outdoor TH ass)/ check product. • Resetting of remocon (Simultanueous operation of operating mode cooling and heating) • Poor communication • Communication line/circuit check • Indoor fan lock • Check indoor fan motor and outdoor PCB ass'y 22 MPS Multi Air Conditioner

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66

Display
Function
Display
Function
1.
Heating
Model
Operation
Indicator
2.
Cooling
Model
Operation
Indicator
H
Cooling,
Soft
Dry,
Fan,
Heating
Cooling,
Soft
Dry,
Fan
Sleep
Timer
Indicator
Sleep
Timer
Indicator
Sleep
Mode
Sleep
Mode
—[
Timer
Indicator
Timer
Indicator
fl
Timer
Mode
Timer
Mode
Defrost
Indicator
Compressor
on
Indicator
OUT
DOOR
Hot
-start,
Defrost
Self
-diagnosis
Function
Error
Indicator
The
function
is
to
self-diagnoisis
airconditioner
and
express
the
troubles
identifically
if
there
is
any
trouble.
Error
mark
is
ON/OFF
for
the
operation
LED
of
evaporator
body
in
the
same
manner
as
the
following
table.
-
If
more
than
two
troubles
occur
simultaneously,
primarily
the
highest
trouble
fo
error
code
is
expressed.
After
error
occurrence,
if
error
is
released,
error
LED
is
also
released
simultaneously.
To
operate
again
on
the
occurrence
of
error
code
12,
be
sure
to
pull
out
power
cord
and
then
re-insert.
Having
or
not
of
error
code
is
different
from
Model.
Error
Code
Error
LED
(Indoor
body
operation
LED)
Error
contents
SVC
check
point
1
(once)
Indoor
suction
temperature
thermistor
open/short.
Indoor
pipe
temperature
thermistor
open/short.
Indoor
TH
ass'y
check
I
IIII--/Iii
i
seo
l'
ill--I/
"
1
3sec
141--Pill
3sec
3
2
I
(twice)
RH
Outdoor
suction
temperature
thermistor
open/short.
Outdoor
pipe
temperature
thermistor
open/short.
Outdoor
TH
ass)/
check
l'
I
ll
'i
<
3sec
17}
7s7i
>1
I
(3times)
H
n
n
Abnormal
operation
of
multi
product.
(Simultanueous
operation
of
cooling
and
heating)
Resetting
of
remocon
operating
mode
Ill
-
II1
01
141-
3sec
3sec
I
(5times)
Poor
communication
Communication
line/circuit
check
I
ll
i
/P1
8
Indoor
fan
lock
Check
indoor
fan
motor
and
outdoor
PCB
ass'y
22
MPS
Multi
Air
Conditioner