Standard air-conditioning units
Carel Cod. +030221421 – Rel. 1.2 – April, 11, 2003
22
7.2 TABLE OF ALARMS
CODE DESCRIPTION DELAY UNIT OFF DISABLED DEVICES
A01 Compressor 1 general alarm - - Compressor 1
A02 Compressor 2 general alarm - - Compressor 2
A03 Compressor 1 low pressure see T2 - Compressor 1
A04 Compressor 2 low pressure see T2 - Compressor 2
A05 No air flow see T4 yes All
A06 Outlet fan thermal - yes All
A07 Heater 1 thermal - - Heater 1
A08 Heater 2 thermal - - Heater 2
A09 Fire / Smoke detection - yes All
A10 Dirty filters - - -
A11 High ambient temperature see T2 - -
A12 Low ambient temperature see T2 - -
A13 High ambient humidity see T2 - -
A14 Low ambient humidity see T2 - -
A15 Compressor 1 working hours threshold reached - - -
A16 Compressor 2 working hours threshold reached - - -
A17 Outlet fan working hours threshold reached - - -
A18 Ambient temperature probe faulty or disconnected 60 sec (fixed) - -
A19 Recovery water temperature probe faulty or disconnected 60 sec (fixed) - -
A20 External air temperature probe faulty or disconnected 60 sec (fixed) - -
A21 Outlet air temperature probe faulty or disconnected 60 sec (fixed) - -
A22 Ambient humidity probe faulty or disconnected 60 sec (fixed) - -
A23 Condenser 1 pressure probe faulty or disconnected 60 sec (fixed) - -
A24 Condenser 2 pressure probe faulty or disconnected 60 sec (fixed) - -
A25 Condenser 1 temperature probe faulty or disconnected 60 sec (fixed) - -
A26 Condenser 2 temperature probe faulty or disconnected 60 sec (fixed) - -
A27 High humidifier current - - Humidifier
A28 No water inside humidifier cylinder ? - -
A29 No current in humidifier ? - -
A30 Clock card not present / faulty - - -
A31 Circuit 1 high pressure - - Compressor 1
A32 Circuit 2 high pressure - - Compressor 2
A33 Water under floor - yes All
A34 Auxiliary alarm - - -
A35 Compressor 1 high pressure + thermal - - Compressor 1
A36 Humidifier working hours threshold reached - - -
A37 Compressor 2 high pressure + thermal - - Compressor 2
A38 Condensing fan 1 thermal - - Condensing fan 1
A39 Condensing fan 2 thermal - - Condensing fan 2
A40 No water flow see T4 yes All
AL41 pLAN disconnected 60 sec (fixed) - -
AL42 Driver 1 alarm, probes faulty or disconnected - - Compressor 1
AL43 Driver 1 EEPROM faulty or damaged - - Compressor 1
AL44 Driver 1 valve motor faulty or damaged - - Compressor 1
AL45 Driver 1 alarm, battery discharged or faulty - - -
AL46 Driver 1 high evaporation pressure (MOP) See Fj - -
AL47 Driver 1 low evaporation pressure (LOP) See Fj - -
AL48 Driver 1 low superheating See Fi - Compressor 1
AL49 Driver 1 valve not closed during blackout - - Compressor 1
AL50 Driver 1 high suction pressure See Fi - -
AL51 Driver 2 alarm, probes faulty or disconnected - - Compressor 2
AL52 Driver 2 EEPROM faulty or damaged - - Compressor 2
AL53 Driver 2 valve motor faulty or damaged - - Compressor 2
AL54 Driver 2 alarm, battery discharged or faulty - - -
AL55 Driver 2 high evaporation pressure (MOP) See Fj - -
AL56 Driver 2 low evaporation pressure (LOP) See Fj - -
AL57 Driver 2 low superheating See Fi - Compressor 2
AL58 Driver 2 valve not closed during blackout - - Compressor 2
AL59 Driver 2 high suction pressure See Fi - -
AL60 Built-in humidifier: high conductivity alarm
See threshold
Gb: delay 1h
- Humidifier
AL61 Built-in humidifier: high conductivity pre alarm
See threshold
Gb: delay 1h
- -
AL62 Built-in humidifier: low steam production - - Humidifier
AL63 Built-in humidifier: water drain alarm - - Humidifier
AL64 Built-in humidifier: cylinder full alarm - - Humidifier
AL65 Built-in humidifier: cylinder being depleted signal - - -
AL66 Built-in humidifier: presence of foam - - -
AL67 Built-in humidifier: cylinder depleted - - -
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