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Vaillant VRT 350 Operating Instructions Manual

Also see for VRT 350: Installation instructionsOperating instructionsOperating instructionsInstallation instructions

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Contents
  1. operating instructions
  2. Table Of Contents
  3. Table Of Contents
  4. Installation only by a skilled tradesman 6
  5. Operating
  6. Selection level
  7. Operation in the basic display
  8. basic settings
  9. Overview of the menu structure
  10. Overview of setting and read-out options
  11. Overview of operating modes
  12. Operating and display functions
  13. Setting timer programs
  14. Days away from home scheduling
  15. Changing over to daylight saving time
  16. Operating modes for the heating circuit
  17. Special operating modes
  18. Saving energy
  19. Detecting and rectifying faults
  20. Decommissioning
  21. Warranty and customer service
  22. Technical data
  23. Glossary
  24. Time periods
Vaillant VRT 350 Operating Instructions Manual Manual pdf 28 page image
7 Service and troubleshooting28 Operating instructions VRT 350 0020135485_007 Service and troubleshooting7.1 Cleaning the controller1. Clean the casing of the controller with a damp cloth.2. Never use scouring or cleaning agents which coulddamage the operator control elements or the display.7.2 Detecting and rectifying faultsFault Cause RemedyDisplay is dark Unit fault – Switch off themains switchon the heaterfor approx. 1minute andthen switch iton again– If the error isstill present,inform the com-petent personNo changes in thedisplay via therotary knobNo changes in thedisplay via theselector buttonsTable 7.1: Detecting and rectifying faults
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This manual is suitable for:
VRT 350
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