The Digital Controller
ESIE07-05
2–44
Part 2 – Functional Description
3
1
2
4
5
1.5.10
Alarm List
Introduction
The table below shows the list of the possible alarms with the identifier number, the cause and the
reset type (A = auto, M = manual).
Alarm table - Chiller
Code
Alarm description
Compressor
off
Fan off
Pump
off
System
off
Reset
(auto/man)
Delay
Enabling
AL01
Severe alarm
*
*
*
*
man
no
enabling both on master
and slave
AL02
Antifreeze alarm
*
*
*
*
man or auto
(default is
“manual”)
no
resetting mode can be set
by user
AL03
Evaporator pump thermal
*
*
*
*
man
no
AL04
Condenser pump thermal
*
*
*
*
man
no
AL05
Evaporator flow control
*
*
*
man
selectable enabling both on master
and slave
AL06
Condenser flow control
*
*
*
man
selectable
AL10
Low-pressure pressure
switch 1
*Circuit 1
man
selectable
AL11
Low-pressure pressure
switch 2
*Circuit 2
man
selectable
AL12
High-pressure pressure
switch 1
*Circuit 1
man
no
AL13
High-pressure pressure
switch 2
*Circuit 2
man
no
AL14
Oil-differential pressure
switch 1
*Circuit 1
man
selectable
AL15
Oil-differential pressure
switch 2
*Circuit 2
man
selectable
AL16
Compressor 1 thermal
*Comp 1
man
no
AL17
Compressor 2 thermal
*Comp 2
man
no
AL20
Fan 1 thermal
*
man
no
AL21
Fan 2 thermal
*
man
no
AL22
Fan 3 thermal
*
man
no
AL23
High press. transducer 1
*Circuit 1
*
man
no
AL24
High press. transducer 2
*Circuit 2
*
man
no
AL30
Damaged probe B1
*
*
*
*
auto
60 sec
AL31
Damaged probe B2
*
*
*
*
auto
60 sec
AL32
Damaged probe B3
auto
60 sec
AL33
Damaged probe B4
auto
60 sec
AL34
Damaged probe B5
auto
60 sec
AL35
Damaged probe B6
auto
60 sec
AL36
Damaged probe B7
auto
60 sec
AL37
Damaged probe B8
auto
60 sec
AL40
Pump maintenance
man
AL41
Compressor 1 maintenance
man
AL42
Compressor 2 maintenance
man
30 sec
AL50
Offline unit 1
auto
30 sec
AL51
Offline unit 2
auto
AL54
Evaporator fan thermal
man
AL55
Damaged 32k clock card
man
ESIE07-05.book Page 44 Friday, December 21, 2007 3:21 PM
