There Is No Hot Water; Off" Is Displayed At The Vitotronic 200; Is Displayed At The Vitotronic 200 - Viessmann Vitotronic 300-K Operating Instructions Manual

Vitotronic 200 and 300-K Operating

There is No Hot Water

Cause
The heating system is switched off.
Control unit or remote control incorrectly set.
No fuel.
"Fault" is displayed at the Vitotronic 300-K, and the red
fault indicator flashes (see chapter "Controls").
Symbol " " is displayed by the Vitotronic 200.
Symbol "E" is displayed by the Vitotronic 200

"OFF" is Displayed at the Vitotronic 200

Cause
The heating program is enabled or the boiler is shut
down externally.

" " is Displayed at the Vitotronic 200

Cause
The time for a service, as specified by your heating
contractor, has arrived.
Remedy
- Turn the ON/OFF switches (see chapter "Controls")
at all control units ON.
- Switch ON the mains isolator, if installed (outside the
boiler room).
- Check the fuse/MCB in the power distribution board
(main domestic fuse/ MCB), and reset/replace if required.
Check settings and correct if required:
- At every Vitotronic 200:
" " must be set (see page 9).
- At the Vitotronic 300-K:
- DHW heating must be enabled (see page 23).
- DHW temperature (see page 22).
- Time (see page 26).
- Time program (see page 23).
- Check the settings at the remote control (if available).
Separate operating instructions
See page 43.
Scan the type of fault, make a note of the fault code
and acknowledge the message (see page 34).
If necessary, notify your heating contractor.
Scan the type of fault, make a note of the fault code
and acknowledge the message (see page 34).
If necessary, notify your heating contractor.
Press "R" (see chapter "Controls").
Acknowledge the fault message with OK.
Notify your heating contractor of the fault code if the
fault reoccurs.
Remedy
Set the heating program
If necessary, notify your heating contractor.
Remedy
Proceed as described on page 33.
Troubleshooting
.
37