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andersenalexandraJul 28, 2025
What to do if Siemens Gas Detectors receiver module does not respond to test gas?
- KKenneth RogersJul 28, 2025
If the Siemens Gas Detectors receiver module powers up correctly but doesn't respond when test gas is applied, first disconnect the transmitter connections at the two “TR” terminals of the receiver and check the voltage with a voltmeter. It should be approximately 12 Vdc. Next, connect a milliamp meter between the two “TR” terminals of the receiver; the current should be 15 to 25 mA.
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