Owner's manual

Table Of Contents
Chapter 6 _______________________________________________________________ Maintenance
VAISALA _______________________________________________________________________ 147
Table 33 Error Messages
Error Code
Error Message
Action
E0
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.
E1
Humidity sensor short circuit
E2
Humidity sensor open circuit
Check the integrity of the humidity probe
and the probe cable.
E3
Temperature sensor open circuit.
E4
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.
E5
Temperature measurement
malfunction
E6
Temperature sensor current leak.
E7
Internal ADC read error
Internal transmitter failure. Remove the
transmitter and return the faulty unit to
Vaisala Service.
E9
Checksum error in the internal
configuration memory
E10
Internal EEPROM read error
E11
Internal EEPROM write error
E12 … E13
Add-on module 1 (or 2) connection
failure
Turn off the power and check the
module connection. Turn on the power.
E14
Device internal temperature out of
range
Ensure that the operating temperature is
within the valid range.
E15
Internal RAM memory or software
checksum error
Internal transmitter failure. Remove the
transmitter and return the faulty unit to
Vaisala Service.
E18
Internal ADC reference voltage out
of range
E19
Internal analog output reference
voltage out of range
E20 … 22
Configuration switches for analog
output 1/2/3 set incorrectly
Check and re-set the switches, see
page 57.
E24 … E25
Internal error in add-on module 1 (or
2)
Disconnect the power and check the
module connection.
E26
Communication module installed in
incorrect add-on module slot
Disconnect the power and change the
communication module to another
module slot.
E28 … E29
Unknown/incompatible module
installed in add-on module slot
1 (or 2)
Ensure that the module is compatible
with the DMT345/346.
E30
Internal analog voltage out of range
Internal transmitter failure. Remove the
transmitter and return the faulty unit to
Vaisala Service.
E31
Internal system voltage out of range
Check that the supply voltage is correct
and the power supply can provide
enough power for the instrument.