21
Faults, Cause and Remedy
Faults, Cause and Remedy
Fault Cause Remedy
No output signal Gas transmitter is not powered up Check power supply and polarity.
Gas transmitter defective Have Dräger check the gas transmitter.
Transmitter output signal and central
device display do not match
Central device and gas transmitter are
not matched
Match central device and gas
transmitter, see "Calibration" on
page 11.
Output signal 1 mA Ambient temperature too high resp. too
low
Operate gas transmitter within the
specified temperature range, see
"Technical Data" on page 22.
Gas transmitter defective Have Dräger check the gas transmitter.
High linearity error Wrong gas category set Change the gas category, see
"Changing the gas category" on
page 18.
Possible calibration range at central
device exhausted
Calibration range at central device too
small
Calibrate system at gas transmitter.
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