RESTORATION
If the actions described in TROUBLESHOOTING do not lead to a proper restart and if there is
no dimensioning problem, the product must be sent to the manufacturer to be checked. Our
warranty does not apply in cases of unauthorised interference.
See also: Quality and inspection requirements for tank protection RAL-RG 977, Series 100
Facilities for flammable liquids hazardous to water, GP 131 "Installation, maintenance,
repair of leak detection systems on facilities for flammable and non-flammable liquids" from
the German Association For Quality Control And Tank Protection, Gütegemeinschaft
Tankschutz. If the leak detector is not in a suitable condition, it should be repaired by a
specialised company.
FUNCTION CHECK
Function check following repair work and in the scope of the annual maintenance
• Inspection of the indicator and/or optionally of the 2nd indicator and inspection of the sensor
unit:
Also refer to "Function check of the indicator with the initial start-up".
• Check the LDL tank and the leak detector liquid:
Place a collection vessel below the check valve.
Open the check valve.
Leak detector liquid flows out at a rate of min. 0.5 L/min.
Line is not blocked.
Red light
External alarm and/or 2nd display unit is triggered.
Close the check valve.
Check the captured leak detector liquid visually for contamination:
Leak detector liquid not contaminated OK.
Remove the sensor unit from the LDL tank.
Fill leak detector liquid to the middle of the inspection glass of the LDL tank.
Replace the sensor unit in the LDL tank:
Red light
LDL tank and leak detector liquid OK.
DISPOSAL
To protect the environment, our products may not be disposed of along with
household waste.
The product must be disposed of via a local collection station or a recycling station.
D WEEE Register No.: DE 78472800.
TECHNICAL CHANGES
All the information contained in this assembly and operating manual is the result of product
testing and corresponds to the level of knowledge at the time of testing and the relevant
legislation and standards at the time of issue. We reserve the right to make technical changes
without prior notice. Errors and omissions excepted. All figures are for illustration purposes
only and may differ from actual designs.
part no. 15 071 53 d
A3 is lit and the alarm buzzer A4 is triggered.
A3 goes out and the alarm buzzer A4 is switched off. OK.
Leak detector type LAG 2000 A
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