SmartCool
TM
- D
Precision Air Conditioning
184
Precision Air Conditioning
Installation, Maintenance and Commissioning Manual :6877419 02/2013
Code
Description
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Cause
Action
AL021
Phase Failure
Alarm
The power meter / phase
failure relay has detected a
phase rotation / fail loss
Alarm is automatically reset once the phase
failure has cleared.
AL022
Water Flood /
Condensate
Pump Alarm
Indicates that excess Water (or
a leak) has been detected by
the unit.
Alarm is generated
AL023
Fire / Smoke
Alarm
Indicates that Fire or smoke
has been detected
Alarm is generated
AL024
Leak Detector
Alarm
Indicates the unit has detected
a refrigerant leak.
Once the refrigerant level in the air has fallen
below set point the alarm will reset
AL025
Over Heat Cut
Out Alarm
This indicates that the auto /
manual overheat cut-out has
tripped and has switched off all
stages of electric heating
This alarm can be auto reset once temperatures
have returned to a normal operating range. The
manual is by a switch in the unit
AL026
Low Pressure
Alarm Circuit 1
Indicates that the low pressure
safety switch has been tripped
and the controller has switched
off circuit 1
Alarm can be manually reset
AL027
Low Pressure
Alarm Circuit 2
Indicates that the low pressure
safety switch has been tripped
and the controller has switched
off circuit 2
Alarm can be manually reset
AL028
Circuit 1
Compressor 1
Maintenance
Alarm
Indicates that the run hours for
the particular component has
exceeded the limit set for its
maintenance alarm.
Once Maintenance has been performed, the
hors run for the component can be reset, which
will reset the alarm.
AL029
Circuit 1
Compressor 2
Maintenance
Alarm
AL030
Circuit 1 Inverter
Compressor
Maintenance
Alarm
AL031
Circuit 2
Compressor 1
Maintenance
Alarm
AL032
Circuit 2
Compressor 2
Maintenance
Alarm
AL033
Circuit 2 Inverter
Compressor
Maintenance
Alarm
AL034
Supply Fans
Maintenance
Alarm
AL035
High Humidity
Alarm
Indicates that the particular
valve has exceeded the high /
low limit. This alarm is delayed
for 2 minutes on start-up to
prevent nuisance alarms. The
cooling or heat demand is
disabled
Once the return air humidity returns below the
high / low limit the alarm is automatically reset.
AL036
Low Humidity
Alarm
AL037
High Return Air
Temperature
Troubl
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