Vaisala MMT330 - Manual (Page 138)

User's Guide _______________________________________________________________________
138 __________________________________________________________________ M210764EN-F
Table 29 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.
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 Figure
58 on page 114 and Figure 30 on page 53.
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 MMT330.
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.