Alarm, error, and system messages7.4 CALOMAT 7 message listOperating with the Local User Interface270 Operating Manual, 06/2017, A5E31930478-05Message Cause RemedyNo. Text29 to32Zero drift MR1 to MR4outside tolerance• Gas line dirty, gas cooler faulty, ...• Gas lines leaking• Incorrect zero gas or setpoint faulty• Calibrate zero point and full-scalevalue• Check the setpoint for the zero gascalibration in the menu "[2.08.1.1]Setpoints"• Check the zero gas supply34 Analyzer module temper-ature not in permissiblerange• Device is operated outside the permit-ted ambient temperature range• Check the ambient temperature of theanalyzer35 Measurement block tem-perature uncertain• Temperature sensor defective • Check the ambient temperature of theanalyzer• In the menu "[3.05.1.3] Heating con-troller", check the temperatures of themeasurement block and sensor36 Membrane temperaturetoo high• Gas temperature too high• Flow rate too low• Membrane temperature control defec-tive• Check the ambient temperature of theanalyzer• Check the temperatures of mem-branes in the menu "[3.05.1.1] Meas-ured signal".• Check the external gas flow rate witha suitable measuring device37 Membrane temperaturetoo low• Membrane defective• Strong cooling due to extremely coldgas• Flow rate much too high comparedwith the specification• Check the ambient temperature of theanalyzer• Check the temperatures of mem-branes in the menu "[3.05.1.1] Meas-ured signal".• Check the external gas flow rate witha suitable measuring device64 Power supply 3.3 V out-side tolerance• Electronic fault • Check the plug-in connections be-tween the power supply unit and themodule• If necessary, replace the module65 Operating voltage 24 Voutside tolerance• Electronic fault• Power supply unit fault• The power supply unit is defective• Replace the basic device66 Power supply +5 V out-side tolerance• Electronic fault • Check the plug-in connections be-tween the power supply unit and ana-lyzer module• If necessary, replace the analyzermodule