Viessmann VITOCAL 100-AW Installation, Service And Operating Instruction page 61

Vitocal 100-AW AM2V Installation, Service and Operating
Troubleshooting
Domestic Hot Water is too hot
Cause
The settings on the heat
pump controller have been
altered or are incorrect.
Warning
Cause
Warning concerning
special occurrence,
operating condition of heat
pump, heating system
Fault
Cause
Fault in heat pump or in
heating system
Corrective Action
Check and, if necessary, correct the DHW setpoint temperature.
Corrective Action
If necessary, contact heating contractor.
Corrective Action
If necessary, contact heating contractor.
Service
61