Vaisala DMT340 User Manual Page 153

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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.
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