Other Settings Changing The Heating Pattern Of The Boiler; There Is No Hot Water; Service" Is Displayed - Viessmann Vitodens 200-W Operating Instructions Manual

Other Settings
Changing the Heating Pattern of the Boiler

There is no hot water

Cause
The heating system is switched OFF.
ON indicator "8" (green) OFF.
Control unit or remote control incorrectly
adjusted.
No fuel.
Control unit fault: "Fault" is displayed and the red
fault indicator flashes.
The DHW is too hot
Cause
Control unit incorrectly adjusted.
"Select htg. circuit" flashes in the display
Cause
Control element activated without selecting a
heating circuit first.
"Fault" flashes at the display
Cause
Heating system fault.
The time flashes at the display
Cause
Longer heating system off periods.

"Service" is displayed

Cause
The heating system requires a service.
36
(continued)
Remedy
Switch system ON / OFF switch "8" ON.
Switch ON the main breaker, if installed (outside the boiler room).
Reset circuit breaker inside the power distribution panel.
Check settings and correct, if required:
- DHW heating must be switched ON
- DHW temperature
- Time program
- Time
With Natural Gas / LPG:
Open the gas shut-off valve and check with your gas supplier, if
required. Press burner fault reset "E".
Scan the type of fault and notify your local heating
contractor.
Remedy
Check and, if required, correct DHW temperature (see page 25).
Remedy
Select that heating circuit, to which the adjustment should apply
Remedy
Scan for the type of fault and notify your local heating
contractor.
Remedy
Reset the time and date.
Remedy
Ask your local heating contractor to service the boiler.