LG GR-L247ER Parts List And Instructions Manual page 13

MICOM FUNCTION
2-9. Frost removal function
1. Frost removal is performed whenever total operation time of compressor becomes 7 ~ 7.5 hour.
2. in providing initial power (or returning power failure), frost removal stads whenever total operation time of compressor
becomes 4 - 4.5 hour.
3. Frost removal is completed if temperature of a frost removal sensor becomes more than 5°C after starting frost removal.
Poor frost removal is not displaced if it does not arrive at 5°C even if two hours have passed after starting frost removal.
4. No removal is done if frost removal sensor becomes poor (snapping or shod-circuit).
2-10. Sequential operation of built-in product
Built-in productS such as compressor, frost removal heater, freezing room fan, Cooling Fan and step motor damper are
sequentially operated as follow_ for preventing noise and part damage occurred due to simultaneous operation of a lot of
parts in applying initial power and completing test.
Function
When temperature
of a frost removal
sensor becomes
more than 25°C
(in purchase,
movement)
When
_ temperature of a
,<
3" frost removal
sensor becomes
-_ less than 25°C
_-- (In power failure,
"_ service)
Load Operation Sequence
Testmode1
(Compulsory
0.5 0.3 F-FAN
POWER sec. COMP sec. &
C-FAN
ON ON ON
L J
im
o)
-t
o Testmode 2
m (Compulsory frost
removal)
-- 0.3 ST_Ep 0.3 _
sec. MOTOR Isec.'J BAR I
0.5 FROST 8 FROST
POWER sec. REMOVAL=sec. REMOVAL
ON HEATER HEATER
ON OFF
WATER
0.3 WATER 5 WATER 0.3 SUPPLY 5 0.3
S_C. Sec.
--sec' TANK -_ TANK _ &
.EATERo. LH #R O'SPE"SE.EATE.o.
OTHER sec. COMP .
OFF oN
TEST
S/W
function)
(Press
Once)
TEST
S/W
(Press
2 times) I
COMP 0.3 F-FAN
sec. &
OFF C-FAN
OFF
Remark
If erroroccurs
duringoperation,
initial operationis
not done.
If pressing switch
once more in i_e
test mode 2 or
temperature of a
frostremoval
sensor _S more
than 5°C=it
immediately
returns to the test
mode for initial
operation
(COMP operates
after 7 minutes).
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