Function Check; Maintenance - GOK LWG 2000 Notice De Montage Et De Service

Leak alarm type LWG 2000

FUNCTION CHECK

Press and hold the "Prüfen [Test]" button to check the alarm function in monitoring mode.
Display red LED "Alarm" and buzzer.
When you release the button, the alarm goes off.
Function test 1
Check the alarm function in monitoring mode within the scope of START-UP and
MAINTENANCE. This check includes simulating a leak.
• Press and hold the "Prüfen [Test]" button.
• Alarm: as described in OPERATION.
• When you release the button, the alarm goes off.
Function test 2
Check the alarm function also by simulating a leak within the scope of START-UP and

MAINTENANCE.

• Remove the probe - if necessary, also the containment facility.
• Immerse the probe in water.
• Alarm: as described in OPERATION.
• Then rub the probe dry and (re)-install it in the containment facility.
Function test 3
During MAINTENANCE, check the alarm function by simulating a short circuit.
Danger to life from electrocution
Electric shock from touching live parts.
• Disconnect the supply voltage.
• Remove the top from the display unit housing.
• Bridge the "Fühler [Probe]" terminal.
• Switch the supply voltage on.
• Alarm: as described in OPERATION.
• Disconnect the supply voltage again.
• Remove the bridge from the "Fühler [Probe]" terminal.
• Screw the top of the display unit on again.
• START-UP
Function test 4
During MAINTENANCE, check the alarm function by simulating an interruption.
Danger to life from electrocution
Electric shock from touching live parts.
• Disconnect the supply voltage.
• Remove the top from the display unit housing.
• On a probe terminal, loosen the connection cable between the display unit and the probe.
• Switch the supply voltage on.
• Alarm: as described in OPERATION.
• Disconnect the supply voltage again.
• Re-connect the connection cable between the display unit and the probe on the probe
terminal
• Screw the top of the display unit on again.
• START-UP
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