Service Functions Overview; Service Level 1; Service Level 2 - Worcester GREENSTAR 24 Installation, Commissioning And Servicing Instructions

Setting the control panel
7.2

SERVICE FUNCTIONS OVERVIEW

7.2.1

SERVICE LEVEL 1

(PRESS SERVICE KEY
Display Service function
1.A Maximum heating output
1.b Not applicable in the UK
1.E Pump control mode
1.F Not applicable in the UK
2.b Maximum flow temperature
2.C Venting function
2.d Thermal disinfection
2.F Operating mode
3.A Automatic cycle block
3.b Cycle block
3.C Switching differential
3.E Cycle time, keeping DHW hot
3.F Anti recycle time after DHW demand
4.b Maximum temperature for
keeping the heat exchanger hot
4.d Not applicable in the UK
4.E Appliance type
4.F Condensate trap filling sequence
5.A Reset inspection interval
5.b Fan run-on time
5.C Timer channel setting
5.d Not applicable in the UK
5.E Connection NP - LP
5.F Set inspection interval
6.A Last fault
6.b Room temperature controller, actual voltage,
terminal 2
6.C Flow temperature required by weather-
compensated controller
6.d Current throughput, flow meter
6.E Time switch input
7.A Indicator for burner operation/faults
7.b 3-way diverter valve in centre position
7.C Min. DHW volume
7.D Not applicable in the UK
7.E Building drying function
7.F Room temperature controller, configuration
of terminals 1-2-4
Table 21 Service functions, level 1
34
UNTIL ILLUMINATED)
Page
35
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35
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35
35
35
35
35
35
36
36
36
36
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36
36
36
36
36
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36
36
36
36
36
36
36
37
37
37
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33
37
7.2.2

SERVICE LEVEL 2:

ACCESSED FROM SERVICE LEVEL 1;
SERVICE KEY ILLUMINATES
(PRESS ECO KEY AND KEY LOCK SIMULTANEOUSLY UNTIL
A CODE SUCH AS 8.A APPEARS)
Service function
Display
8.A Software version
8.b Code plug number
8.C GFA status
8.d GFA fault
8.E Reset all parameters
8.F Permanent ignition
9.A Permanent operating mode
9.b Current fan speed
9.C Current heating output
9.E Flow turbine signal delay
9.F Heating circuit pump run-on time
A.A Temperature at flow
A.b DHW temperature
A.C Not applicable in the UK
b.A Not applicable in the UK
b.F Start delay
Table 22 Service functions, level 2
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37
37
37
37
37
37
37
37
37
37
37
37
37
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38
6 720 811 922 (2014/07)