Lennox CLIMATIC 40, Руководство пользователя, Страница: 26 / 32

25
HP
HP
HP2
LP
LP
LP2
TP
T
TC ------ ------
TC2 ------ ------
LA ------ ------ ------
FL ------
FLb ------ ------ ------
E
E00
E2
E3
E4
E5 ------ ------
E6
E7
E8
Hcl-4 Hc ------
EPr ------ ------
Epb ------
ESP ESP
EL-2 ------
dF-2 ------ ------
d-2 ------ ------ ------
ALARMS
ALARMS/WARNINGS CODES
DISP
CL40/
DC41
DISP
DC40
DESCRIPTION EFFECT RE ACTION
High pressure switch alarm, circuit .
This alarm may indicate the following problems:
- High pressure switch protection.
- Compressor stopped.
- Excessive refrigerant charge.
- Insufficient water flow in heating cycle (Ecolean).
Circuit
compressors
stop
AUTO/
MAN.
After 3
times in
hour
Reset and check:
- Coil is clean and not blocked.
- Water flow on the heating cycle (Ecolean).
- Outdoor fan during cooling cycle.
- Indoor fan during heating cycle (Aircoolair).
- Compressor protection.
- Condenser air temperature is very high.
- Refrigerant charge.
High pressure switch alarm, circuit 2.
The same as previous alarm but this time referring to
circuit 2.
Circuit 2
compressors
stop
AUTO/
MAN.
After 3t/h
The same as previous alarm but this time referring to circuit 2.
Low pressure switch alarm, circuit .
This alarm may indicate the following problems:
- Low refrigerant.
- Low water flow in cooling cycle (Ecolean).
- Outdoor fan stopped.
- Low pressure switch protection.
Circuit
compressors
stop
AUTO/
MAN.
After 3
times in
hour
Reset and check:
- Coil is clean and not blocked.
- Water flow on the cooling cycle (Ecolean).
- Outdoor fan during heating cycle.
- Indoor fan during cooling cycle.
- Fuses of the fan.
- Evaporation air temperature is very low.
- Check refrigerant charge.
- Expansion valve.
Low pressure switch alarm, circuit 2.
The same as previous alarm but this time referring to
circuit 2.
Circuit 2
compressors
stop
AUTO/
MAN.
After 3t/h
The same as previous alarm but this time referring to circuit 2.
Indoor fan thermal protection alarm. (Aircoolair only):
- Fan thermal protection open.
- Faulty power supply.
Unit stops MAN.
Reset and check:
- Fan.
- Power supply.
Not used. Call Technical Service.
Not used. Call Technical Service.
Not used. Call Technical Service.
Water flow switch alarm.
This indicates low water flow in the unit. (Ecolean) only.
After 5 minutes it automatically requires to be reset manually.
Unit stops
AUTO/
MAN.
- Check water circuit is not blocked.
- Check water filter.
- Check water pump operation.
Not used. Call Technical Service.
B probe error.
Faulty probe or connection.
Unit stops AUTO
Check connection of B1 probe (see electrical diagram), check continui -
ty and change the faulty component.
B2 probe error.
Faulty probe or connection.
Unit stops AUTO
Check connection of B2 probe (see electrical diagram), check continui -
ty and change the faulty component.
B3 probe error.
Faulty probe or connection.
Unit stops AUTO
Check connection of B3 probe (see electrical diagram), check continui -
ty and change the faulty component.
B4 probe/pressure transducer error.
Faulty probe or connection.
Unit stops AUTO
Check connection of B4 probe/pressure transducer (see electrical
diagram), check continuity and change the faulty component.
Not used. Call Technical Service.
B6 probe error.
Faulty probe or connection.
Unit stops AUTO
Check connection of B6 probe(see electrical diagram), check continuity
and change the faulty component.
B7 probe error.
Faulty probe or connection.
Unit stops AUTO
Check connection of B7 probe (see electrical diagram), check continui -
ty and change the faulty component.
B8 probe/pressure transducer error.
Faulty probe or connection.
Unit stops AUTO
Check connection of B8 probe/pressure transducer (see electrical
diagram), check continuity and change the faulty component.
Warning.
Compressor operating time limit exceeded. AUTO
Check:
- Compressor operating time (parameter C0).
- Compressor operating time limit (par. C5). Disabled by default.
Warning.
Climatic 40 hardware error. AUTO Call Technical Service.
Warning.
Climatic 40 hardware error. Unit stops AUTO Call Technical Service.
Expansion board error. Unit stops AUTO
Check:
- Green LED is on inside the board.
- J4-J9 connections (see electrical diagram).
Call Technical Service.
Warning.
Condensing fan speed control hardware error.
Outdoor fan at
maximum
speed.
AUTO
- Check CFM board connections (see electrical diagram).
Call Technical Service.
Warning.
Circuit -2 defrost ends due to maximum time (8 mi-
nutes).
AUTO
Warning.
Circuit -2 defrosting.