Service Functions Overview; Menu 1; Menu 2 - Worcester Greenstar 2000 Installation And Maintenance Instructions Manual

Settings in the service menu
8.2

Service functions overview

8.2.1

Menu 1

▶ Press the ( key and * key at the same time until L.1 appears.
▶ To confirm the selection: press OK key.
▶ Selecting and setting the service function.
Service function
1-A1 Current operating status
1-A2 Current fault
1-A3 Upper limit of the maximum heat output
1-A4 Upper limit of the maximum DHW output
1-A5 Temperature at flow temperature sensor
1-A6 Set flow temperature
1-b2 Current turbine flow rate
1-b3 Current DHW temperature
1-b4 Current DHW outlet temperature
1-b5 Current temperature at the cylinder
1-b7 Set DHW temperature
1-b8 Current thermal output as a % of the maximum rated heat output
in heating mode
1-C1 Ionisation current
1-C2 Current pump output as % of rated pump output
1-C4 Current outside temperature with outside temperature sensor
connected
1-C5 Temperature at the solar buffer cylinder
1-C6 Operating pressure
1-d1 Collector temperature
1-d2 Temperature at the solar buffer cylinder (bottom)
1-d3 Solar pump
1-d4 Solar unit fault
1-E1 Software version of the control panel (main version)
1-E2 Software version of the control panel (secondary version)
1-E3 Coding plug number
1-E4 Coding plug version
1-EA Software version of device electronics (main version)
1-Eb Software version of device electronics (secondary version)
Table 25 Menu 1: display of information
8.2.2

Menu 2

▶ Press the ( key and * key at the same time until L.1 appears.
▶ Press arrow key  until L.2 is displayed.
▶ To confirm the selection: press OK key.
▶ Selecting and setting the service function.
Service function
2-A1 Low-loss header
Table 26 Menu 2: hydraulic settings
54
Unit
%
%
°C
°C
l/min
°C
°C
°C
°C
%
A
°C
°C
bar
°C
°C
%
The basic settings are depicted as highlighted in the following table.
Settings/adjustment range
• 0: no low loss header installed
• 1: (not available)
• 2: low loss header connected to the module
Further information
Status code,  Section 11.2
Error code,  Section 11.2
The maximum heat output can be decreased via the service function
3-b1.
The maximum DHW output can be decreased via the service
function 3-C1.
–
–
–
–
–
–
–
During DHW heating, values greater than 100 % may be displayed.
• Minimum burner operation or greater: ≥ 2 A = OK,
< 2 A = faulty
• While the burner is switched off: < 2 A = OK, ≥ 2 A = faulty
–
–
Only displayed when a solar module is connected.
–
Only displayed when a solar module is connected.
Only displayed when a solar module is connected.
Only displayed when a solar module is connected.
Only displayed when a solar module is connected.
Error code
–
–
–
–
–
–
Remark/restriction
This setting defines where the sensor of the low
loss header is connected.
Greenstar 2000 – 6 721 820 552 (2021/02)