Xylem IM255 AQUAVAR Intelligent Pump Controller User Manual
Page 109
Bit
Hex
Dec
Alarm word
Alarm word 2 Warning word Warning word
2
Extended
Status word
Extended
Status word 2
Alarm Word Extended Status Word
18
00040000
262144
Brake
Overload
(A26)
Fans error
Brake
Overload
(W26)
Fans Warn
Password
Protection 0–
61 =
ALL_NO_ACCE
SS OR
BUS_NO_ACC
ESS OR
BUS_READON
LY
Start
19
00080000
524288
U phase Loss
(A30)
ECB error
Brake Resistor
(W25)
ECB Warn
Reference
High
reference > 4–
55
Start Applied
20
00100000
1048576
V phase Loss
(AA31)
reserved
Brake IGBT
(W27)
reserved
Reference Low
reference < 4–
54
Start delay
21
00200000
2097152
W phase Loss
(A32)
reserved
Speed Limit
(W49)
RESERVED
Local
Reference
reference site
= REMOTE >
auto on
pressed &
active
Sleep
22
00400000
4194304
Fieldbus Fault
(A34)
reserved
Fieldbus Fault
(W34)
reserved
Protection
mode
notification
Sleep Boost
23
00800000
8388608
24 V Supply
Low (A47)
reserved
24V Supply
Low (W47)
reserved
Unused
Running
24
01000000
16777216
Mains Failure
(A36)
reserved
Mains Failure
(W36)
reserved
Unused
Drive Bypass
25
02000000
33554432
1.8V Supply
Low (A48)
Current Limit
(W59)
Current Limit
(A59)
reserved
Unused
Fire Mode
26
04000000
67108864
Brake Resistor
(A25)
reserved
Low Temp
(W66)
reserved
Unused
Pump Protect
27
08000000
134217728
Brake IGBT
(A27)
reserved
Voltage Limit
(W64)
reserved
Unused
Firemode
Limit Exceed
28
10000000
268435456
Option
Change (A67)
reserved
Encoder loss
(W90)
reserved
Unused
FlyStart active
29
20000000
536870912
Drive
Initialized
(A80)
Encoder loss
(A90)
Output freq.
lim. (W62)
BackEMF too
High
Unused
30
40000000
1073741824 Safe Stop
(A68)
PTC
Thermistor
(A74)
Safe Stop
(W68)
PTC Thermist
or (W74)
Unused
31
80000000
2147483648 Mech. brake
low (A63)
Dangerous
failure (A72)
Extended
Status Word
Protection
Mode
The alarm words, warning words and extended status words can be read out via serial bus
or optional fieldbus for diagnostics, or through 16–94 Ext. Status Word.
Warnings and alarms
Aquavar
®
Intelligent Pump Controller INSTRUCTION MANUAL
107