User`s guide

Chapter 3 ________________________________________________________________ Operation
VAISALA _______________________________________________________________________ 51
Table 10 List of Possible Alarms
Alarm Explanation and Possible Remedy
CT25KAM: Comm. failure Communication failure. Verify correct cable
connections or replace sensor.
CT25KAM: HW alarm/warning Hardware error on CT25KAM.
CT25KAM: Optics contamin. CT25KAM optics contaminated. Clean the
optics.
QMP202MP: Battery low QMP202MP battery low. Connect
QMP202MP to an AC outlet.
AC (mains): Off QMP202MP is not connected to AC outlet.
PMT16: Air press. misg. Air pressure value missing. Not user
serviceable.
PWD11A: Comm. failure Communication failure. Verify correct cable
connections or replace sensor.
QMP202MP battery empty or hardware
failure.
PWD11A: HW alarm/warning Hardware error on PWD11A.
PWD11A: Optics contamin. PWD11A optics contaminated. Clean the
optics.
QMD101M: Comm. failure Communication failure. Verify correct cable
connections or replace handheld terminal.
QMH101M: Air temp. misg. Air temperature value missing. Verify
correct cable connections or replace
sensor.
QMH101M: Humidity misg. Humidity value missing. Verify correct
cable connections or replace sensor.
QMR101M: Rain gauge misg. Rain gauge missing. Verify cable
connections.
SA-20: Comm. failure Communication failure. Verify correct cable
connections or replace sensor.
SA-20: HW alarm/warning Hardware error on SA20M.
SA-20: Skinmap rate high Too much electrical interference. Remove
interfering equipment.
WS425: Wind dir. misg. Wind direction value missing. Verify correct
cable connections or replace sensor.