Carel AL027 Error Code
LT inlet pressure probe alarm Auto Imm. AL028 LToutlet pressure probe alarm Auto
Source: 0300081EN.pdf
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not active ON probe 2 error= defrost automatic d0= 0 /1 / 4,F0= 1 E2 not active
active ON external alarm automatic [A4 = 1] [+A7] √ √ dOr active ON open door al
active ON low temperature alarm automatic [AL] [Ad] √ HI active ONhigh temperatu
not active ON unit parameter error not possible not active ON operating paramete
not active ONdefrost ended by timeout on frst defrost ended [dP] [dt] [d4] [A8]
not active OFF defrost running correctly automatic [d6=0] √ cht not active [ON d
active ON dirty condenser alarm manual easy split [A4=13] easy, easy compact [A4
not active ON clock alarm by setting the time easy split [A4=13] if bands are ac
(easy not active split only) [ON maintenance request signal manual, set HMr=1 [H
relay involved compact split EO active ON probe 1 error= control automatic √ √ E
Probe S2 fault OFF OFF automatic unchanged unchanged unchanged changed un- YES N
Probe S3 fault OFF OFF automatic unchanged unchanged unchanged changed YES NO ch