Viessmann Vitotron 100 - Working on the Appliance and Fault Handling

3
6155063
Safety instructions (cont.)
Danger
Damaged equipment poses a
safety hazard. Check the appliance
for external damage. Do not
commission a damaged appliance.
Danger
Water escaping from the appliance
represents a risk of electric shock.
■
Switch off the heating system at
the external isolator (e.g. fuse box,
domestic distribution board).
■
Notify your local heating
contractor.
Danger
Fault messages indicate faults in
the heating system. If faults are
not rectied, they can have life
threatening consequences.
Do not acknowledge fault
messages several times in quick
succession. Inform your heating
contractor so the cause can be
analysed and the fault rectied.
Working on the appliance
Damage to the appliance
Water escaping from the appliance
If the heating system develops a fault
Safety instructions
■
All settings and work on the appliance
must be carried out as specied in
these operating instructions. Further
work on the appliance may be carried
out only by authorised contractors.
■
Do not open the appliance.
■
Do not remove the casing.
■
Never change or remove tted
accessories or attachments.
■
Do not open or tighten pipe
connections.
Danger
Hot surfaces can cause burns.
■
Do not open the appliance.
■
Do not touch the hot surfaces
of uninsulated pipes and ttings.