65
08/24/2016
6. Edition, ID No.: 37020GB-F
Operating Manual ERESCO MF4 Type Series
Copyright by GE Sensing & Inspection Technologies GmbH Bogenstrasse 41 D - 22926 Ahrensburg
Filler
cap
Cooler
Filter
Cooler
8.3
Checking the Automatic Shut-Off of the Flow Rate Monitor (optional)
The return hose to the coolant pump or to the turbine flow rate monitor must be squeezed
every 3 months (see diagram).
After approx. 1 second, the following message should appear on the display of the digital
control unit
ERESCO MF4 control
33: Cooling system failed
The
tap symbol on the display flashes until the fault has been eliminated
and the high
voltage cannot be switched on.
•
If these maintenance instructions are not observed, it may result in the X-ray tube head
not being cooled, which can cause unit failure and possible high resulting costs
.
8.4
Checking fail-safe operation of the optional warning flash light
To test the fail-safe operation of the optional warning flash light, press the button on the
bottom of light.
The high voltage is switched off and the following message
87: Flash lamp faulty
appears on the display.
Squeeze here!!
Fig. 8 - Water cooling pump WL 1001