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0 0 1 0 0 0 1 0 1 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0
ê ê ê ê ê ê ê ê ê ê ê ê ê ê ê ê ê ê ê ê ê ê ê ê ê ê ê ê ê ê ê ê
3
3
2
2
2
2
2
1
0
9
8
7
6
5
Table 31 Status flags
Bit number Status flag
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
The system status word used in the example above was obtained with the pump at rest.
By decoding the word, we can learn more about the state of the pump.
Table 32 Example decoding of system status words
Bit num-
ber
0
1
2
3
4
5
6
B8J200880_D
300812671_002_C3
B8J200880_D - Fault finding
2
2
2
2
2
1
1
4
3
2
1
0
9
8
Fail
Stopped speed
Normal speed
Vent valve closed
Start
Serial enable
Standby
Half full speed
Parallel control mode
Serial control mode
Invalid Controller software
Controller upload incomplete
Timer expired
Hardware trip
Thermistor error
Serial control mode interlock
Status of bit (in example) Indication
0
1
0
0
0
1
0
Page 103
Binary digits
1
1
1
1
1
1
1
7
6
5
4
3
2
1
Bit numbers
Active flags means
Fail status condition active
Below stopped speed
Above normal speed
Vent valve energised
Start command active
Serial enable active
Standby active
Above 50% full rotational speed
Exclusive control mode selection
Exclusive control mode selection
Controller internal software mismatch
Controller failed internal configuration
and calibration operation
Failure to reach or maintain half full speed
within the timer setting value
Overspeed or overcurrent trip activated
Pump internal temperature measurement
system disconnected or damaged
Serial enable has become inactive follow-
ing a serial Start command
The pump has not failed
The pump is at rest
Speed is below normal speed
The vent valve is open
There is no active start command
Serial enable is active
Standby is not active
1
9 8 7 6 5 4 3 2 1 0
0
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