Chapter 5 _______________________________________________________________ Maintenance
JUMO _________________________________________________________________________ 135
Error Code Error Message
Action
26
Communication module
installed in incorrect add-on
module slot
Disconnect the power and change the
communication module to another module slot.
28 … 29
Unknown/incompatible
module installed in add-on
module slot 1 (or 2)
Ensure that the module is compatible with the
TRANSMITTER.
30
Internal analog voltage out
of range
Internal transmitter failure. Remove the
transmitter and return the faulty unit to JUMO
Service.
31
Internal system voltage out
of range
Internal transmitter failure. Remove the
transmitter and return the faulty unit to JUMO
Service.
Technical Support
For technical questions, contact the JUMO technical support:
JUMO GmbH & Co. KG
Hermann Muth Str. 2 / Werk 3
36039 Fulda, Germany
E-Mail:
Fax:
+49 661 6003-601
Internet:
www.jumo.net
Return Instructions
If the product needs repair, please follow the instructions below to
speed up the process and to avoid extra costs to you.
1.
Read the section Warranty on page 15.
2.
Contact a JUMO Service. The latest contact information and
instructions are available from www.JUMO.com.
Please have the following information on hand:
- serial number of the unit
- date and place of purchase or last calibration
- description of the fault
- circumstances in which the fault occurs/occurred
