OPERATION STATE
ORDER
INITIAL PO
WER ON
Temperature of Defrosting
Sensor is 45°C or more
(when unit is newly
purchased or when moved)
Temperature of defrosting
sensor is lower than 45°C
(when power cuts, SERVICE)
POWER
in 1/2 second
COMP
&
C-FAN
ON
in 1/2 second
F- FAN
ON
ON
DEFROSTING
HEATER ON
in 1/2 second
POWER
ON
in 5 second
in 1/2 second
in 1/2 second
DEFROSTING
HEATER OFF
Reset to normal operation
from TEST MODE
TOTAL LOAD
OFF
in 7 minute COMP
ON
FREEZER FAN
ON
in 1/2 second
DAMPER
FRIDGE
ON
COMP
&
C-FAN
ON
in 1/2 second
F- FAN
ON
DAMPER
FRIDGE
ON
Designation and confirmation of different failure
(GC-B379S*QA/GC-B409S*QA)
Figure 2
NO
ERORR CODE
Details of the failure
Freezer and Refigerator
temperature setting
Normal
Setup temperature
indication
Normal Display Switch
-
Failure of freezer
sensor
FS E
Freezer sensor disconnection or
short circuit
Failure of Refigerator
sensor
rS E
Refrigerator sensor
disconnection or short circuit
Check sensor wiring
Failure of defrost
sensor
dS F
Defrost sensor short circuit or
disconnection
Ambient sensor
failure
rt E
Ambient sensor short circuit or
disconnection
Poor of defrost
dH F
120 minutes after defrost
starting if the defrost
sensor is not more than 7 C°
Temperature Fuse
disconnection, heater
disconnection, Drain blockage,
heater driving Relay failure
Connection failure
CO E
FF E
CF E
Connection failure between
Main PCB and Display PCB
Connection wiring and
transmittion TR, receiver failure
1.
2.
3.
4.
5.
6.
7.
8.
9.
Item
REMARKS
EXPRESS FRZ.
Figure 1
2
5
MICOM FUNCTION & PCB CIRCUIT EXPLANATION
Summary of Contents for GC-B379S*CA
Page 12: ...12 CIRCUIT DIAGRAM P No MEZ62581565 ...
Page 38: ......
