Vaisala DMT346 - Manual (Page 147)

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.