Airedale DeltaChill FreeCool 110kW - 1080kW - Manual (Page 163)

Chillers DELTACHILL
™
Chillers
163
Installation, Commissioning and Maintenance Manual :7025232 12/ 2013
Unit Alarms
Code Description
Auto
Reset
(Yes/No)
Unit Disabled
(Yes/No)
Component
Disabled (Yes/No)
Cause Action
AL001 Power Meter MB Offline Yes Yes Yes
Communication to the
Power Meter has been lost
Check: Wiring /
Modbus card /
Power Meter
AL002 EVD1 pLAN Offline
Yes No Yes
Communication to the EVD
Driver has been lost
Check: Wiring /
pLan Connection /
Address AL003 EVD2 pLAN Offline
AL004 Cond. Pressure1 Fault
Yes
No
Yes
The Sensor has gone out of
its operating range
Check: Wiring /
Sensor
AL005 Cond. Pressure2 Fault No
AL006 Evap.Diff.Press. Fault
Yes
AL007 Return Temp. Fault
AL008 Supply Temp. Fault Yes
AL009 Temp. Setpoint Fault No
AL010 Cond.Air On Temp Fault No
AL011 Clock Alarm Yes No Yes
The internal clock has
malfunctioned
Replace Battery
AL012 Emergency Stop Yes Yes Yes
The emergency stop button
has been pressed
Release the
emergency stop
button
AL013 Phase Failure Yes Yes Yes
The 3 phase power supply
crossed / loss (wait 30s with
a power meter on power up)
Check 3 phase
connection
AL014 Evaporator Flow Alarm Yes Yes Yes
No water flow has been
detected
Check: pumps are
running / flow
sensor
AL015 Low Pressure 1 Switch
Yes No Yes
The pressure in the system
is below 0.5 bar
Check: Refrigerant
charge / EEV
operation AL016 Low Pressure 2 Switch
AL017 Cct1 Comp1 Status Al.
Yes No Yes
Contactor has been
switched on but has failed to
operate
Check: High
Pressure Switch /
contactor. / Wiring.
AL018 Cct1 Comp2 Status Al.
AL019 Cct1 Comp3 Status Al.
AL020 Cct2 Comp1 Status Al.
AL021 Cct2 Comp2 Status Al.
AL022 Cct2 Comp3 Status Al.
AL023 Pump1 Status Alarm
Yes Yes
Contactor has been
switched on but has failed to
operate
Check: High
Pressure Switch /
contactor. / Wiring.
AL024 Pump2 Status Alarm
AL025 Low Supply Temperature Yes Yes Yes
The supply water
temperature is too low
Check: Flow Rate /
Unit TD
AL026 High Cond. Pressure 1
Yes No Yes
The condensing pressure is
higher than 40.0Bar
Check: Condenser
/ Condenser Fans
AL027 High Cond. Pressure 2
AL028 pCOe Module Offline Yes No Yes
Communication to the pCOe
expansion module has been
lost
Check:
Communications
link / Wiring
AL029 S1 Probe Fault EVD1 No Yes
The Evaporator pressure
probe is out of range
Check: Pressure
probe / Wiring