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ARTUS™ Technical Manual 9690348 v3_04_2020
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* Temperature discrepancy alarm occurs when there is no temperature difference between return and supply air with
cooling/heating demand.
Alarm Actions
Alarm
Reset
Fan Interrupt
Control Valve Position
Changeover Valve Position
Non Critical
Auto
No
Open
Open
Critical 1
Auto
No
Closed
Closed
Critical 2
Auto
Yes
Closed
Closed
Troubleshooting
Alarm Conditions
Fault
Possible Cause
Status
Remedy/action
Control Panel LED
Illuminated
Temperature discrepancy*.
Non Critical
General waterside/air side fault.
Condensate high level.
Critical 2
Clear drain.
Return air sensor alarm*.
Critical 1
Check/replace sensor.
Supply air sensor alarm*.
Non Critical
Check/replace sensor.
Room operator unit
communication.
Non Critical.
Check/replace.
CONDENSATE PUMP
LED FLASH
FAULT POSSIBLE CAUSE
REMEDY/ACTION
Solid Green
None
Pump In Standby.
Awaiting condensate.
Flashing Green
None
Pump Pumping.
Pump will run until the reservoir is empty.
Flashing Red
Alarm
High Level / Too much water.
Discharge hose blocked.
Check drain hose for blockage, clear
blockage.
Sensor out of alignment.
Check the level sensor is firmly attached
to the mounting bracket.
Too hot for pump.
Air temperature >40°C.
Condensate Pump Alarms
ARTUS™
Comfort
ARTUS™
Comfort