Dixell/Copeland AL19 Error Code
AL20 AL21 AL22 AL23 Allows to choose the probe for the anti- freezer heater alar
Source: IC100CX_QRG_GB.pdf
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Other Dixell/Copeland Error Codes
Bad defrost circuit (n) b(n)Cu Unloading from condenser high temp/press of the c
ors condensing condensing of the of the of the circuit of the other circuit othe
L2) (56-57). E0H1 High High pressure All compressors (E0H2) pressure switch inpu
(AF14) in AF8 (AF15)time when the nput is disable. Manually if AF7 (AF14) activa
(AF15) time When theinput is disable: according to the working algorithm. turn o
(2) Minimum (LAF2 value Condensing pressure signalling only pressureor Automatic
AF9) value HAC1 Maximum Suction pressure signalling only (HAC2 pressure or tempe
) alarm fans higher than sectionfor SETF1+AF2 Automatically:as soon as the press
÷S Er15 are not available. Compressors A compressor signalling only maintenance
Cause Action Low pressure- -Low pressure All compressors of Automatically i the
Warning No.run&Fault TempProbe W 7 -NormalRunning&FaultTempProbe Warning Hw Conf
Alarm Lockout InsufficientOilPressure L 37-Low OilPressureLockout Lockout Missin