Nortek WRC3 - Page 19

Wired Remote Controller WRC3
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Error
Error
Code
Error
Error
Code
Return air temperature sensor open/short
circuited
) Drive board communication error P6
Evaporator temperature sensor open/short
circuited
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Indoor unit liquid valve temperature sensor
open/short circuited
b5 Indoor and outdoor units unmatched LP
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short circuited
b7
Communication line misconnected or
expansion valve error
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IPM temperature sensor open/short circuited P7 5XQQLQJPRGHFRQÀLFW E7
Outdoor ambient temperature sensor open/
short circuited
) Pump-down )R
Outdoor unit condenser mid-tube temperature
sensor open/short circuited
) Defrost or oil return
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circuited
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Indoor and outdoor communication error E6 Compressor startup failure Lc
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'&EXVRYHUYROWDJHSURWHFWLRQ PH Overload protection E8
&RPSUHVVRUSKDVHFXUUHQWVHQVLQJFLUFXLW HU-
ror
U1 Whole unit over-current protection E5
&RPSUHVVRUGHPDJQHWL]DWLRQSURWHFWLRQ HE Over phase current protection P5
3)&SURWHFWLRQ Hc &RPSUHVVRUGHV\QFKURQL]LQJ H7
,307HPSHUDWXUH3URWHFWLRQ P8 IPM Current protection H5
Over-power protection L9
Compressor phase loss/reversal protec-
tion
Ld
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tion
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unit current protection
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)UHTXHQF\UHVWULFWHGUHGXFHGZLWK,30
current protection
En
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Low pressure protection E3
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load protection
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temperature protection
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Drive board temperature sensor error 3) Indoor unit full water error E9
AC contactor protection P9 $QWLIUHH]LQJSURWHFWLRQ E2
7HPSHUDWXUHGULIWSURWHFWLRQ PE $&LQSXWYROWDJHDEQRUPDO PP
Sensor connection protection Pd :KROHXQLWFXUUHQWVHQVLQJFLUFXLWHUURU U5
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Outdoor fan 1 error protection L3 0RWRUVWDOOLQJ H6
Outdoor fan 2 error protection LA 3*PRWRU]HURFURVVLQJSURWHFWLRQ U8