Bit number
Status ag Acve ags means
10 Invalid Controller sow
are Controller internal soware mismatch
11
Controller upload
incomplete
Controller failed internal conguraon and
calibraon operaon
12 Timer expired
Failure to reach or maintain half full speed in
the mer seng v
alue
13 Hardware trip Overspeed or Overcurrent trip acv
ated
14 Thermistor error
Pump internal temperature measurement
s
ystem disconnected or damaged
15
Serial control mode
in
terlock
Serial enable has become inacve following a
serial Start command.
The system status word used in the example above was taken when the pump is not in
operaon. Decode the word for more informaon about the state of the pump. Refer to
Table: Example decoding of system status words on page 85.
Table 28
Example decoding of system status words
Bit number
Status of bit
(in example)
Indicaon
0 0 The pump has not failed
1 1 The pump is at rest
2 0 Speed is below normal speed
3 0 The vent valve is open
4 0 There is no acve start command
5 1 Serial enable is acve
6 0 Standby is not acve
7 0 Speed is below 50% of full rotaonal speed
8 0 The pump is not in parallel control mode
9 0 The pump is not serial control mode
10 0 There is no controller internal soware mismatch
11 0
Controller passed internal conguraon and calibraon
operaon
12 0 The mer has not med out
13 0 Overspeed and overcurrent trip not acvated
14 0 Pump internal temperature measurement system is ne
15 0
Serial enable has not become inacve during serial
control
8.10 Useful service in
formaon
If you use the serial communicaons link, addional informaon about the pump (such
as pump type and internal controller soware versions) can be accessed. This
informaon is useful for the service personnel to select the model of the pump.
Send the query that follows to nd out the pump type:
Page 85
B85200880_D - Fault nding