39Samsung Electronics
Troubleshooting
Indoor unit room temperature sensor error
IN sensor of indoor unit heat exchanger error
Indoor unit fan motor
Indoor unit communication error
Indoor unit EEPROM error
Indoor unit EEPROM option error
Outdoor unit pipe is wrong connected
Outdoor unit sensor error(short/open)
Outdoor unit sensor error(short/open)
Outdoor unit sensor error(short/open)
Error in setting indoor unit's address & outdoor unit
communication error
Remark
Display
Explanation
The error indicated on the display panel of indoor unit
When inputting MICOM over 4.9V and below
0.4V
15 seconds after the fan being operating below
450RPM
Wrong data for 60 seconds
In this case, both indoor unit B and C remocon
off and after 2~3 second remocon on.
ALL LAMP
is flickering
The pipes or the cables are wrong connected.
Check the temperature sensor of B
condenser pipe.
Check the temperature sensor of A
condenser pipe.
Check the outdoor temperature sensor.
Check the indoor unit's address.
•Indoor unit B, C cools and heats simultaneously
•(Indoor unit B, C mode must be same)
•Indoor unit B, C mode change simultaneously
DB98_16045A(4)_1 1/29/04 4:56 PM Page 39
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