
26
A
A2
A2
Ht
------
------
Lt
------
------
------
AHt ------
------
------
HLt ------
------
------
ELS ------
------
EHS ------
Ed ------
------
------
Ed2 ------
------
------
SH ------
------
------
SH2 ------
------
------
nO ------
------
------
nO2 ------
------
------
LO ------
------
------
LO2 ------
------
------
HA ------
------
------
HA2 ------
------
------
EP ------
------
------
EP2 ------
------
------
ES ------
------
------
ES2 ------
------
------
EU ------
------
------
EU3 ------
------
------
Eb ------
------
------
Eb2 ------
------
------
L
------
------
------
Ed ------
------
------
Ed2 ------
------
------
PH ------
------
------
PH2 ------
------
------
SUL ------
------
------
tEr
OcH
AcH
------
------
Ahu
------
------
AtE
------
------
CEr
------
------
UEr
------
------
ALARMS
ALARMS/WARNINGS CODES
DISP
CL40/
DC41
DISP
DC40
DESCRIPTION
EFFECT
RE
ACTION
Antifreeze alarm.
- ECOLEAN Outlet temperature < 3ºC. Reset MAN.
- AIRCOOLAIR circuit indoor piping temperature <
2ºC. Reset AUTO.
-ECOLEAN
compressors
stop.
- AIRCOOLAIR
Close freecooling
air dumper and
stops circuit
compressors
MAN/
AUTO
ECOLEAN: Reset and check:
- Check the water filter.
- Check water flow.
- Check that the water pump is connected to the unit’s power supply.
AIRCOOLAIR: Check:
- Indoor unit air filter.
- Air damper working correctly.
Antifreeze alarm, circuit 2. (Aircoolair only).
Circuit 2 indoor piping temperature < 2ºC. Reset
AUTO.
Close
freecooling air
dumper and
stops circuit
compressors 2
AUTO
Check:
- Indoor unit air filter.
- Air damper working correctly.
High ambient temperature warning.
Ambient temperature > 40ºC.
AUTO
Check location of ambient probe; avoid places where measurement of
the ambient temperature by the internal sensor may be altered.
Warning the low ambient temperature.
Disabled by default.
Call Technical Service.
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Low power supply warning.
Power supply < 20.4V.
AUTO
Check power supply of controller = 24V (see electrical diagram).
High power supply warning.
Power supply > 26.4V.
Unit stops
AUTO
Check power supply of controller = 24V (see electrical diagram).
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Not used.
Call Technical Service.
Alarm, faulty communication between DC40 and
Climatic 40. (Aircoolair only).
Unit stops
AUTO - DC40 connections (see electrical diagrams).
Call Technical Service.
Generic alarm.
Some active alarms on Climatic 40.
Check Climatic 40 alarm code and act by
accordingly.
Not used.
Call Technical Service.
DC40 internal probe alarm.
Faulty internal probe.
Call Technical Service.
DC40 setting error.
Call Technical Service.
DC40 hardware error.
Call Technical Service.