
User's Guide _______________________________________________________________________
158 __________________________________________________________________ M210796EN-G
Table 36 Error Messages
Humidity sensor measurement
malfunction.
Check the integrity of the humidity probe
and the probe cable. Clean the probe from
dirt, water, ice or other contaminants.
Humidity sensor short circuit
Humidity sensor open circuit
Check the integrity of the humidity probe
and the probe cable.
Temperature sensor open circuit.
Temperature sensor short circuit.
Check the integrity of the humidity probe
and the probe cable. Clean the probe from
dirt water, ice or other contaminants.
Temperature measurement
malfunction
Temperature sensor current leak.
Check the integrity of the humidity probe
and the probe cables. Clean the probes
from dirt, water, ice or other contaminants.
Internal transmitter failure. Remove the
transmitter and return the faulty unit to
Additional temperature sensor
short circuit
Check the integrity of the temperature
probe and the probe cable. Clean the
probe cable from dirt, water, ice or other
Checksum error in the internal
configuration memory
Internal transmitter failure. Remove the
transmitter and return the faulty unit to
Vaisala Service.
Internal EEPROM read error
Internal EEPROM write error
Add-on module 1 (or 2)
connection failure
Turn off the power and check the module
connection. Turn on the power.
Device internal temperature out of
range
Ensure that the operating temperature is
within the valid range.
Internal RAM memory or software
checksum error
Internal transmitter failure. Remove the
transmitter and return the faulty unit to
Pressure measurement failure in
add-on module slot 1or 2
Disconnect power and check pressure
module connection.
Internal ADC reference voltage
out of range
Internal transmitter failure. Remove the
transmitter and return the faulty unit to
Vaisala Service.
Internal analog output reference
voltage out of range
Configuration switches for analog
output 1/2/3 set incorrectly
Check and re-set the switches, see page
55.
Internal error in add-on module
1 (or 2)
Disconnect the power and check the
module connection.
Communication module installed
in incorrect add-on module slot
Disconnect the power and change the
communication module to another module
Pressure out of valid range
Check that assumed pressure is within
measurement range for the transmitter.
Unknown/incompatible module
installed in add-on module slot 1
Ensure that the module is compatible with
the PTU300.
Internal analog voltage out of
range
Internal transmitter failure. Remove the
transmitter and return the faulty unit to
Internal system voltage out of
range
Check that the supply voltage is correct
and the power supply can provide enough
power for the instrument.
Comentários a estes Manuais