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(2) Load Operation in Failure
NO
ITEM
COMP
1
Normal
O
Failure of
15 min
Upper
ON/
2
compartment
15 min
(K1) sensor
OFF
Failure of
Middle
3
O
compartment
(K1) sensor
Failure of
Upper
4
O
compartment
(K1) sensor
Failure of
Upper
5
compartment
O
defrosting
sensor
Failure of
Middle
6
compartment
O
defrosting
sensor
Failure of
ambient
7
O
Temperature
sensor
Poor
defrosting
8
O
at upper
compartment
Poor
defrosting
9
O
at middle
compartment
Failure of
single
10
O
motor
damper
Poor
11
O
communication
DEFROSTING
UPPER
MIDDLE
HEATER OF
COMPARTMENT
COMPARTMENT
UPPER
FAN
FAN
COMPARTMENT
O
O
O
O
O
O
O
O
Don't
defrost
O
O
(immediat
ely return)
O
O
O
O
O
O
O
O
O
O
O
O
Classification
DEFROSTING
STEPPING
HEATER OF
MOTOR
MIDDLE
DAMPER
COMPARTMENT
O
O
O
O
O
O
15 min
OPEN/
O
O
15 min
CLOSE
O
O
O
O
O
Don't
defrost
O
O
(immediat
ely return)
(No
compensation
O
O
of ambient
temperature)
O
O
O
O
O
O
O
O
O
O
O
O
- 13 -
SINGLE
3-WAY
FRONT-C
MOTOR
VALVE
HEATER
DAMPER
O
O
O
10 min
OPEN/
15 min
CLOSE
(Linked
O
with
COMP.
However,
FRONT-C
heater
turns off
O
for 15
O
minutes
and turn
on again if
(No
the heater
compensation
turn on
of ambient
time
temperature)
continues
for more
than 40
minutes)
O
O
Perform
normal
initialization
by checking
operation
in the cycle
of 1 hour
O
O
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