Vaisala DMT340 - Manual (Page 153)

Chapter 6 _______________________________________________________________ Maintenance
VAISALA _______________________________________________________________________ 151
Table 32 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 Internal transmitter failure. Remove the
transmitter and return the faulty unit to Vaisala
Service.
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 … E22 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
DMT340.
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.