DehumidierML420-MLT1400
1.6.7Processalarms
Theoperatorpanelisequippedwithaninternalalarmthatisactivatedwhenthealarmthresholdsare
exceeded.Thealarmisindicatedinthedisplayontheoperatorpanel.
Alarmmessages
Thedisplayontheoperatorpanelshowsthefollowingmessages(steadilylit):
rHI
Upperalarmlimitexceeded
rLO
Loweralarmlimitexceeded
E1
Faultyhumiditytransmitterorincorrectconnections
EEE
Allparametersettingsarelost
AcknowledgealarmonRH98
Acknowledgethealarmbypressingontheoperatorpanel.Thedisplaynowstartstoashanddisplays
thealarmmessageandthecurrentrelativeairhumidityalternately.Thefunctionfortheresetbuttonis
dependentontheparametersettings,seeTable1.1.
Sensorcalibration
Thehumiditytransmitter'sreadoffvaluecanbecalibratedusingtheoperatorpanelsensoroffset,se
parameter05,Table1.1.
Example:If3%RHistoomuch,theoffsetshouldbereducedby3%.
ContactMuntersforcalibrationofthehumiditytransmitter.
190TGB-1035-H1604Options47