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11

Operating manual

 ecoCRAFT

5 Troubleshooting

If the boiler does not start, first check the following 
points:
–  Is the gas valve open?
–  Is the installation fill pressure adequate?
–  Is the power supply switched on?
–  Is the main switch turned on?
–  Is the regulator set correctly?

If the boiler does not start properly after checking these 
points, consult an approved heating engineer to check 
the unit.

5.1 Resetting 

fault

2

1

Fig. 5.1  Fault resolution

Faults in a boiler module are displayed by the 
corresponding red module fault resolution button (

1

) on 

the operating field.
The faults on the boiler can be resolved as follows:
•  First reset the relevant module by pushing the 

corresponding red module reset button (

1

) on the 

operating field.

•  Then reset the unit electronics by the RESET button 

(

2

) located next to the display.

•  Repeat the process if the fault is still indicated after 

the unit has been re-started.

The boiler will then perform a self-test. The basic display 
appears on the multi-function display after the fault has 
been resolved successfully.

 Danger!

If the unit still does not start after repeating 
the fault resolution process three times, then 
an authorised heating engineer must be 
consulted to check the unit.

Troubleshooting 5

Summary of Contents for ecoCRAFT VKK GB 806/2-E-H

Page 1: ...For the owner VKK GB 806 2 E H VKK GB 1206 2 E H VKK GB 1606 2 E H VKK GB 2006 2 E H VKK GB 2406 2 E H VKK GB 2806 2 E H Operating manual ecoCRAFT Modular Gas Condensing Boiler GB...

Page 2: ...e accept no liability for any damage caused by failure to observe these instructions Other applicable documents All operating manuals of structural parts and components of the installation must be obs...

Page 3: ...rations to structural elements in the vicinity of the appliance which might affect its operational safety For example Keep all openings for air and flue gas free Make sure for example that any tempora...

Page 4: ...ecoCRAFT units are state of the art appliances which have been constructed in accordance with recognised safety regulations Nevertheless there is still a risk of death or serious injury to the user o...

Page 5: ...to summer mode The heating mode is then shut off however the device or the plant remains ready for operation for water heating Uniform heating Often in an apartment with central heating only one room...

Page 6: ...mes can be set using timers which most circulation pumps have fitted to them or with which they can be retro fitted Weather compensators often have ancillary functions for controlling circulation pump...

Page 7: ...ult resolution see Chapter 5 1 9 Button for switching the unit on and off 4 3 Switching the unit on and off 1 Fig 4 2 Switching the unit on and off Caution The mains switch may only be actuated if the...

Page 8: ...operational condition of your unit The operation codes 1 2 and 5 appear at the start of each individual module The number of the individual module is preset on the operational display The following di...

Page 9: ...ory setting max Call ups and settings Setting Display Store set value with OK Factorysettingmaynot bechanged Operation mode ParameterNo ParameterNo ParameterNo Factorysettingmaynot bechanged Hotwater...

Page 10: ...C in the parameter level under point 3 Caution None of the other settings in the parameter level can be changed to avoid malfunctions 4 6 Diagnosis mode In the diagnosis mode you can have the individu...

Page 11: ...fault resolution button 1 on the operating field The faults on the boiler can be resolved as follows First reset the relevant module by pushing the corresponding red module reset button 1 on the opera...

Page 12: ...itch integrated in the unit which prevents the unit from starting up if the system pressure 0 2 bar This is shown in the display as E26 At water pressures 0 8 bar the fault display disappears If the h...

Page 13: ...peration of your boiler it is recommended that regular servicing is carried out by your service provider Vaillant Applied System Sales Vaillant Ltd Unit D1 Lowfields Business Park Elland West Yorkshir...

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Page 16: ...0020029295_00 GB 07 2006...

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