Table 33, Error messages, Table 33 error messages – Vaisala HMT330 User Manual
Page 154

User's Guide _______________________________________________________________________
152 __________________________________________________________________ M210566EN-K
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.
Check the integrity of the humidity probe
and the probe cables. Clean the probes
from dirt, water, ice or other contaminants.
E7
Internal ADC read error
Internal transmitter failure. Remove the
transmitter and return the faulty unit to
Vaisala Service.
E8
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
contaminants.
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
Internal transmitter failure. Remove the
transmitter and return the faulty unit to
Vaisala Service.
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
55.
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 HMT330.
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.