Alarm Codes - Lennox CLIMATIC 200 User Manual

ALARM CODES

MENU STRUCTURE
MAIN DISPLAY
It shows:
Inlet water temperature
Active alarms
The unit self-protects through safety devices; when any of these safety devices detect an anomaly, this is shown in the display
in order to advise the operator.
The activation of an alarm brings about:
- The display of the alarm code beginning with the letter E and follows a number; if more than one alarm will be activated, the
alarm shown would be the one with the lowest numerical value.
- In some cases, it can block some of the outputs, stopping the unit, depending on the type of alarm.
E00: This indication is not an alarm; it indicates that unit is turn off from ON /OFF remote.
VIS (Visualization): It indicates the type of alarm shown on the display.
RE (Reset): Type of reset:
from the display.
the instrument returns to the normal operation and the alarm relay is de-energized. If on the other hand, the alarm conditions
persist, then call for technical service.
VIS. DESCRIPTION
High pressure switch alarm.
This alarm may indicate the following problems:
E01
- High pressure switch protection.
- Stopped fan.
Low pressure switch alarm.
This alarm may indicate the following problems:
- Low amount of refrigerant.
- Low water flow in cooling cycle.
E02
- Blocked coil in heating cycle.
- Stopped fan.
After two automatic resets in one hour, it comes
to be a manual reset.
Compressor thermal protection alarm:
E03
- Compressor thermal protection open.
- Faulty power supply.
E04
Fan thermal protection alarm.
LEVEL 1
SET POINT
Probe status
ALARMS
Some alarms are automatically reset. When the cause is no longer present, they disappear
Press ON/OFF button and
mode
on off
Active alarms Codes
EFFECT RE
Reset and check:
• Coil is clean and not blocked.
Circuit 1
• Water flow on the heating cycle.
compressors MAN
• Check fan protection.
stop
• Condenser air temperature is very high.
• Check refrigerant charge.
Reset and check:
• Coil is clean and not blocked.
• Water flow on the cooling cycle.
Circuit 1
AUTO/
• Check fuses of the fan.
compressors
MAN
• Evaporation air temperature is very low.
stop
• Check refrigerant charge.
Reset and check:
• Check refrigerant charge.
• Check the refrigerant circuit is not
Compressor 1
circuit 1 MAN
• Check connections and protections.
stops
• Check power supply.
Circuit 1 Fan
Reset and check:
and circuit 1
MAN - Fan
compressors
- Check connections and protections.
stop
16
LEVEL 2
If the alarm conditions have been removed,
ACTION
blocked.