Warning Message; Fault Message - Viessmann Vitoflex 300-RF Service And Maintenance Instructions

Troubleshooting

Warning Message

Fault Message

18
Vitoflex 300-RF Service & Maintenance
1. Eliminate the cause of the warning.
2. Acknowledge the warning message in the controller.
WARNING
Risk of injury due to faults in the heating system that
have not been rectified.
In the event of faults, shut down the heating system and
safeguard against reconnection.
Immediately notify faults to the responsible body or
individual.
Rectify faults immediately.
When rectifying a fault, no-one else should be present in
the danger zone around the heating system.
Prior to starting the heating system ensure that no one
else is within the danger zone around the heating system.
1. Locate the fault.
2. Check the fault.
3. Eliminate the cause of the fault.
See "Error message table".
4. Acknowledge the fault message on the programming
unit.