Monitor Status and Alarms
Monitor Status on Front Panel
The status is shown with LEDS on the RTU front panel.
Illustration: LEDs on the front panel
Autamatic Pump Pilo t APP 541
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OK
1
2
3
4
5
6
1. Power LED
2. High level LED
3. Pump status LED
4. Relay status LED
5. Alarm status LED
6. Communication LED
Monitor Status
LED Description Comments
Green
Power supply is on.
Off
Possible causes:
Power supply is off
Fuse is blown.
Red
Sump level is high. Sump level exceeds:
High level switch,
or
High level alarm limit for analogue sensor
Green
There is feedback from the pump
relay.
The pump is running.
Red
There is a pump fault. Possible causes:
High temperature in pump
Motor protection has tripped.
Monitor Status and Alarms
38 APP 541 User manual
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