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QUEENSLAND URBAN UTILITIES
QUU CONTRACT NO: C112-022
LUGGAGE POINT STP/LUGGAGE POINT
OPERATION & MAINTENANCE MANUAL
Chp3Operation.doc
DRAFT: A 23-Jul-13
Page 6 of 10
3.2.3 Troubleshooting for the Aqua-Screen
®
Manual Mode:
1. Turn the main isolator and drive isolator on.
2. Select
MANUAL
at the point of control.
3. Reset any standing faults on the control panel.
If the machine fails to start, check the following items:
1. Overload is reset
2. Motor fuses
3. Operation of any relevant limit switches
4. Local isolators (where fitted) are turned on
Auto Mode
1. Failure to start in
AUTO
may be caused by various faults:
a) No power to panel (usually indicated by
SUPPLY ON
light failing to illuminate):
b) Check isolator is switched
ON
.
c) Check supply is reaching panel.
d) Check control transformer primary and secondary MCB.
2. Emergency Stop Operated:
a) Check that panel Emergency Stop button has been reset (twist to reset).
b) Check that remote Emergency Stop buttons have been reset (twist to reset).
3. Fault in System:
a) Switch off panel and test to ascertain cause of trip, reset any standing faults when the
cause has been illuminated and the power restored.
b) Check that the motor and control fuses are healthy.
c) Check motor protection / overload relay has not tripped.
d) Check the local isolator (where fitted) is turned on.
4. General:
a) Overloads are generally caused by some foreign material entering the Aqua-Screen
®
or a
deformation of components in the screen. Although overloading of the Aqua-Screen
®
resulting in the tripping out of a motor is rare, it can happen.
Luggage Point STP ST18 Pre Treatment (Aqua-Screen (Andritz) Operation and Maintenance Manual) General
Q-Pulse Id: TMS579
Active: 13/12/2013
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