A Operator Level - Overview; B Troubleshooting; Appendix - Vaillant ecoTEC exclusive 627 Operating Instructions Manual

Appendix

Appendix
Operator level – overview
A
Setting level
Water pressure →
Water pressure
Live monitor →
Status
Information →
Contact details
Serial number
Display contrast
comDIALOG
Basic settings →
Language
Green iQ
Display contrast
Resets →
Reset anti-cycl. time
B Troubleshooting
Fault
Product does not start The gas isolator cock installed on-site and/or the gas
up: isolator cock on the product is closed.
The cold water stop valve is closed.
–
No hot water
–
Heating remains cold The power supply in the building is disconnected.
The product is switched off.
The heating flow temperature is set too low or to the
Heating off position, and/or the hot water temperature
is set too low.
The system pressure is insufficient.
Low water pressure in the heating installation (fault mes-
sage: F.22).
There is air in the heating installation.
After three unsuccessful attempts to ignite the flame, the
product switches to fault mode (fault message: F.28).
12
Values Unit
Min. Max.
Current value bar
Current value
Phone number
Permanent value
Current value
15 40
Current value
Current language
Current value
Current value
15 40
Current value min
Cause
Increment, select
1
No function
Languages available for selection
On, Off
1
Open both gas isolator cocks.
Open the cold water stop valve.
Check the fuse in the building. The product
switches on automatically when the power is
restored.
Switch on the product (→ "Switching on the
product" section).
Set the heating flow temperature and hot water
temperature (→ "Setting the heating flow temper-
ature" section/→ "Setting the hot water temperat-
ure" section).
Fill the heating installation (→ "Filling the heating
installation" section).
Have your competent person purge the heating
installation.
Press the reset button for one second. The
product makes another attempt to ignite the
flame.
If you have been unable to eliminate the ignition
fault after three reset attempts, consult a com-
petent person.
Operating instructions ecoTEC exclusive 0020193967_01
Default
setting
25
Country-
specific
On
25
Measure