Airedale DeltaChill FreeCool 110kW - 1080kW - Manual (Page 164)

DELTACHILL
™
Chillers
164
Chillers
Installation, Commissioning and Maintenance Manual : 7025232 12 / 2013
Code Description
Auto Reset
(Yes/No)
Unit Disabled
(Yes/No)
Component
Disabled
(Yes/No) Cause Action
AL030 EEPROM Fault EVD1 No Yes
There has been
mismatch with between
data in the EVD and
the controller
Reset the alarm / Replace
EVD if necessary
AL031 EEV Motor Fault EVD1 No Yes
The stepper motor has
malfunctioned
Check: Motor / Wiring
AL032 MOP Alarm EVD1 No Yes
The Evaporating
temperature has
exceeded the MOP
limit
The valve will close to
reduce operating pressure
AL033 LOP Alarm EVD1 No Yes
The Evaporating
temperature has
exceeded the LOP limit
The Valve will open to
increase operating pressure
AL034 Low Superheat EVD1 No Yes
The superheat in circuit
1 is low
Check: EEV Settings
AL035 S2 Probe Fault EVD1 No Yes
The Evaporator
Temperature probe is
out of range
Check: Temperature probe /
Wiring
AL036 High Superheat EVD1 No Yes
The superheat in circuit
1 is high
Check: EEV Settings
AL037 S1 Probe Fault EVD2 No Yes
The Evaporator
pressure probe is out of
range
Check: Pressure probe /
Wiring
AL038 EEPROM Fault EVD2 No Yes
There has been
mismatch with between
data in the EVD and
the controller
Reset the alarm / Replace
EVD if necessary
AL039 EEV Motor Fault EVD2 No Yes
The stepper motor has
malfunctioned
Check: Motor / Wiring
AL040 MOP Alarm EVD2 No Yes
The Evaporating
temperature has
exceeded the MOP
limit
The valve will close to
reduce operating pressure
AL041 LOP Alarm EVD2 No Yes
The Evaporating
temperature has
exceeded the LOP limit
The Valve will open to
increase operating pressure
AL042 Low Superheat EVD2 No Yes
The superheat in circuit
2 is low
Check: EEV Settings
AL043 S2 Probe Fault EVD2 No Yes
The Evaporator
Temperature probe is
out of range
Check: Temperature probe /
Wiring
AL044 High Superheat EVD2 No Yes
The superheat in circuit
2 is high
Check: EEV Settings
AL045 Leak Detector 1 Fault
Yes No Yes
The output from the
leak detector is out of
range
Check: Leak detector /
Wiring
AL046 Leak Detector 2 Fault
AL047 Possible Leak Circ.1
Yes No No
The reading from the
leak detector is above
the threshold
Check: Pipe work around
the leak detector
AL048 Possible Leak Circ.2
AL049 Cct1 Hours Limit Comp1
Yes No No
The hours run for the
compressor has
exceeded the threshold
If component is functioning
correctly perform
maintenance and reset
hours
AL050 Cct1 Hours Limit Comp2
AL051 Cct1 Hours Limit Comp3
AL052 Cct2 Hours Limit Comp1
AL053 Cct2 Hours Limit Comp2
AL054 Cct2 Hours Limit Comp3