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6. TROUBLESHOOTING
6-1 Error Code Summary
NO
Error Detection
Category
1
Normality None
Normal operation of Display
2
Freezer Sensor
Error
Er FS
Short or Disconnection
of Freezer Sensor
3
Refrigerator
Sensor Error
Er rS
Short or Disconnection
of Refrigerator Sensor
Check each sensor and its
connector.
Error Generation Factors Remark
WARNING:When you check the Resistance values, be sure to turn off the power.
And wait for the voltage-discharge sufficiently.
Error Display
Freezer
Temperature
Ref.
Temperature
4
Defrosting
Sensor Error
Er dS
Short or Disconnection
of Defrosting Sensor
5
Icing Sensor
Error
Er IS
Short or Disconnection
of Icing Sensor
6
Poor Defrosting
Er dH
Even though it is passed
1 hour since then Defrosting,
if Defrosting sensor is not
over 8°C, it is caused
Temperature Fuse
Disconnection, Heater
disconnection, DRAIN Jam,
Poor Relay for Heater
7
Abnormality of
BLDC FAN Motor
for Freezer
Er FF
It is caused when feedback
signal isn’t over 65 seconds
during BLDC FAN motor
operating
Poor BLDC Motor
connection, DRIVE IC,
and TR
8
Abnormality of
BLDC FAN Motor
for Mechanic
Room
Er CF
It is caused when feedback
signal isn’t over 65 seconds
during BLDC FAN motor
operating
Poor BLDC Motor
connection, DRIVE IC,
and TR
9
Communication
Error
Er CO
Communication Error
between Micom of Main
PWB and Display Micom
Poor Communication
connection,Poor TR of
Transmitter and Receiver
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General
Weight and Dimensions
