Airedale TurboChill FreeCool 200kW - 1830kW - Manual (Page 135)

135 Chiller Technical Manual 7525355 V1.1.0_04_2013
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Chillers TurboChill™ Air Cooled and FreeCool
Alarms
Code Description
Auto Reset
Unit Disabled
Component Disabled
Cause Action Default Alarm Type
AL001 Comp1 MB Comms.Offline
• • Communication to the
compressor has failed
Check: Wiring
/ modbus card
/ compressor
communication
board /
compressor fuses
and power
1 = Non critical
AL002 Comp2 MB Comms.Offline 1 = Non critical
AL003 Comp3 MB Comms.Offline 1 = Non critical
AL004 Comp4 MB Comms.Offline 1 = Non critical
AL005 Power Meter MB Offline
• • • Communication to the power
meter has been lost
Check: wiring /
modbus card /
power meter
1 = Non critical
AL006 Cond. Pressure1 Fault
•
• •
The sensor has gone out of its
operating range
Check: wiring /
sensor
1 = Non critical
AL007 Evap.Diff.Press. Fault
• •
1 = Non critical
AL008 Evap.Flow Meter Fault
• •
1 = Non critical
AL009 Return Temp. Fault
• •
1 = Non critical
AL010 Supply Temp. Fault
• •
1 = Non critical
AL011 Temp. Setpoint Fault
•
1 = Non critical
AL012 Cond.Air On Temp Fault
•
1 = Non critical
AL013 Clock Alarm
• • The internal clock has
malfunctioned
Replace battery 1 = Non critical
AL014 Phase Failure
• • •
The 3 phase power supply
crossed / loss (wait 30s with a
power meter on power up)
Check 3 phase
connection
2 = Critical
AL015 Emergency Stop
• • • The emergency stop button
has been pressed
Release the
emergency stop
button
2 = Critical
AL016 Evaporator Flow Alarm
• • • No evaporator flow has been
detected
Check: pumps are
running / flow
2 = Critical
AL017 Low Pressure 1 Switch
• • • Circuit 1 suction pressure
below 0.5 bar
Check: refrigerant
charge / EEV
operation
2 = Critical
AL018 Comp1 Status Alarm
•
•
Contactor has been switched
on but has failed to operate
Check: high
pressure switch /
contactor. / wiring.
1 = Non critical
AL019 Comp2 Status Alarm
•
1 = Non critical
AL020 Comp3 Status Alarm
•
1 = Non critical
AL021 Comp4 Status Alarm
•
1 = Non critical
AL022 Mains Failure
• • • The permanent L4 supply has
failed to the control panel
Check: L4 supply 2 = Critical
AL023 Pump1 Status Alarm
• •
Contactor has been switched
on but has failed to operate
Check: contactor /
wiring
1 = Non critical
AL024 Pump2 Status Alarm
• •
1 = Non critical