Samsung Electronics
3-1
3. Alignment and Adjustments
3-1 Error Mode and Check Method
Error No
Error Mode
Measures
E108
Address setting duplication error
· Check the overlapping MAIN address within same repeater.
E121
Indoor temperature sensor
error(SHORT/OPEN)
· Check connector disconnection of CN41 & connection conditions.
Check a voltage of both ends CN41 PIN#1,2 (10
Ꮒ
at 25 degrees)
A Check of Indoor temperature is possible when KEY2 switch is entered 3 times.
E139
CO2 sensor error(SHORT/OPEN)
· Check connector disconnection of
CO2 sensor and connection conditions.
A Check of
CO2 sensor value is possible when KEY2 switch is entered 5 times.
E162
Indoor EEPROM H/W error
· Check connection conditions of EEPROM SUB PBA.
E163
Indoor option setting error
· Need to reset option.
E183
Outdoor Humidity Sensor Error(ERV)
· Check connector disconnection of humidity sensor and connection conditions.
· A Check of outdoor humidity value is possible when KEY2 switch is entered 8 times.
Set operates normall regardless of error.
E198
Thermal fuse open error in power ther-
minal block
· Check wire connection conditions of CN140 connector.
· Check conditions of wire connected power terminal block.
(occurrence of error at open)
E202
System down caused by communica-
tion error
· Check disconnection of communication wire.
E221
Outdoor temperature sensor
error(SHORT/OPEN)
· Check connector disconnection of CN41 and connection conditions.
· Check a voltage of both ends CN41 PIN#3,4 (10
Ꮒ
at 25 degrees).
A Check of indoor temperature is possible when KEY2 switch is entered 4 times.
E490
Prohibition of operation under outside
& indoor temperature 0 degrees
· Set stop operates normally when indoor and outdoor temperature is under 0 degrees.
· Prohibition of operation for set protection.
E561
Supply air(SA) fan motor error
· Check connector disconnection of CN74 and connection conditions.
· A Check of supply air fan rpm is possible when KEY2 switch is entered twice.
E562
Exhaust air(EA) fan motor error
· Check connector disconnection of CN73 and connection conditions.
· A Check of exhaust air fan rpm is possible when KEY2 switch is entered once.
E654
Inside damper error
· Check connector disconnection of CN72,CN52 and connection conditions.
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