Status (Data Point 173); Faults 1 (Data Point 399 - 400); Faults 2 (Data Point 401 - 402) - Viessmann Vitoflex 300-UF Service Instructions Manual

Vitoflex 300-RF data point list

Status (data point 173)

Data point content
Value
0
1
2
3
4
5
6
7
9
10
13
14
15
16
Faults 1 (data point 399 – 400)
Data point content
Bit
1
2
3
4
5
6
7
8
9
10 – 32
Faults 2 (data point 401 – 402)
Data point content
Bit
1
2
3
4
5
6
7
8
9
10
12
Description
Boiler off
Zeroing air dampers
Flushing combustion chamber
Filling fuel hopper
Filling screw conveyor
Filling combustion chamber
Ignition
Load operation
Running screw conveyor until empty
Burnout
Standby
Pressure-jet oil burner in operation
Relay test
Cleaning
Description
High limit safety cut-out (STB)
Low water indicator
Water pressure
Inverter, flue gas fan
Repeating heat-up
Not assigned
High limit safety cut-out, fuel store
Flue gas damper sticking
Overfilling/extinguishing
Not assigned
Description
Emergency stop switch activated
Carbon monoxide (CO)/carbon dioxide (CO2)
Thermal contact, boiler circuit pump
Rotary fan
Thermal contact, infeed grate
Internal use
Level, extinguishing water container
Feed warm
Shut-off gate valve sticking
Rotational direction reversal, rotary lock valve