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User's Guide _______________________________________________________________________
134 ______________________________________________________________________________
Table 27
Error Messages
Error Code Error Message
Action
0
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.
1
Humidity sensor short circuit Check the integrity of the humidity probe and
the probe cable. Clean the probe from dirt,
water, ice or other contaminants.
2
Humidity sensor open circuit Check the integrity of the humidity probe and
the probe cable.
3
Temperature sensor open
circuit.
Check the integrity of the humidity probe and
the probe cable.
4
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.
5
Temperature measurement
malfunction
Check the integrity of the humidity probe and
the probe cable. Clean the probe from dirt
water, ice or other contaminants.
6
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.
7
Internal ADC read error
Internal transmitter failure. Remove the
transmitter and return the faulty unit to JUMO
Service.
8
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.
9
Checksum error in the
internal configuration
memory
Internal transmitter failure. Remove the
transmitter and return the faulty unit to JUMO
Service.
10
Internal EEPROM read
error
Internal transmitter failure. Remove the
transmitter and return the faulty unit to JUMO
Service.
11
Internal EEPROM write
error
Internal transmitter failure. Remove the
transmitter and return the faulty unit to JUMO
Service.
12 … 13
Add-on module 1 (or 2)
connection failure
Turn off the power and check the module
connection. Turn on the power.
14
Device internal temperature
out of range
Ensure that the operating temperature is within
the valid range.
15
Operating voltage out of
range
Ensure that the operating voltage is within the
valid range.
18
Internal ADC reference
voltage out of range
Internal transmitter failure. Remove the
transmitter and return the faulty unit to JUMO
Service.
19
Internal analog output
reference voltage out of
range
Internal transmitter failure. Remove the
transmitter and return the faulty unit to JUMO
Service.
20 … 23
Configuration switches for
analog output 1/2/3 set
incorrectly
Check and re-set the switches, see page 55.
24 … 25
EEPROM failure on add-on
module 1 (or 2)
Disconnect the power and check the analog
output module connection.