Appendix A: RTU Descriptions
List of Alarms
Alarm
Code
Default
priority
Local text SCADA System Text Description
1 A High level High level High level in pump sump. Alarm from the level sensor.
2 C Low level Low level Low level in pump sump. Alarm from the level sensor.
3 B Mains error Mains error The main power has been disrupted or the phase sequence is incorrect
or one phase is missing.
4 A High level float High level float The level in the sump reaches the high level switch. The pumps will be
started.
5 A Pers. alarm Personal alarm Personal alarm warning time has run out without reset. Personnel in
danger!
11 B Tripped motor
P1
Tripped motor protector
P1
The Pump 1 has a tripped motor protection. The pump is blocked by this
alarm.
12 B Tripped motor
P2
Tripped motor protector
P2
The Pump 2 has a tripped motor protection. The pump is blocked by this
alarm.
13 B Tripped motor
P3
Tripped motor protector
P3
The Pump 3 has a tripped motor protection. The pump is blocked by this
alarm.
14 B Tripped motor
P4
Tripped motor protector
P4
The Pump 4 has a tripped motor protection. The pump is blocked by this
alarm.
15 B High current
P1
High current P1 High current pump 1. Alarm from the analogue current measurement.
16 C Low current P1 Low current P1 Low current pump 1. Alarm from the analogue current measurement.
17 B High current
P2
High current P2 High current pump 2. Alarm from the analogue current measurement.
18 C Low current P2 Low current P2 Low current pump 2. Alarm from the analogue current measurement.
19 B High current
P3
High current P3 High current pump 3. Alarm from the analogue current measurement.
20 B Low current P3 Low current P3 Low current pump 3. Alarm from the analogue current measurement.
21 B High current
P4
High current P4 High current pump 4. Alarm from the analogue current measurement.
22 B Low current P4 Low current P4 Low current pump 4. Alarm from the analogue current measurement.
27 C Setpoint
changed
Setpoint changed At least one menu has been changed on the local display. The alarm
reverts when new set points are sent to the RTU.
30 C No response P1 No response P1 There is no response signal from pump 1. The pump has probably not
started despite activation of the power relay.
31 C No response P2 No response P2 There is no response signal from pump 2. The pump has probably not
started despite activation of the power relay.
32 B No response P3 No response P3 There is no response signal from pump 3. The pump has probably not
started despite activation of the power relay.
Appendix A: RTU Descriptions
APP 541 User manual 45
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