Bosch Worcester Greenstar CDi Compact ErP Series - Component Testing Procedures

FAULT FINDING AND DIAGNOSIS
CDi Compact
ErP
- 6 720 813 276 (2015/07) 69
8.5.5 Reset to factory settings
To reset any or all changes made in menu 2 back to the factory defaults
setting:
1. Press and hold the , and arrow button for at lest five
seconds.
The screen will then display code 8E with the spanner symbol.
2. Press the button and “Reset” will be displayed with the tick
symbol for three seconds.
After three seconds the screen will revert to the normal operation
screen.
Fig. 128 Reset sequence
8.5.6 Menu 3 - Boiler maximum & minimum limits
The menu shows the boiler's minimum and maximum limits. Which can
be adjusted in this menu.
The boiler will revert to adjusted settings in Menu 3 following a power
interruption.
Menu 3 cannot be factory re-set.
1. Select menu 3 via the and scroll buttons.
2. Press and hold the button for at least 5 seconds to enter Menu 3.
To modify setting, select desired menu option (refer to table 31) via the
and arrow buttons and press the OK button, the option will
flash.
Adjust the parameters using the and arrow buttons and press
the OK button to confirm.
A symbol will be displayed for three seconds to confirm the update
of the new value.
Fig. 129 Menu 3 selection
8.5.7 Using the test menu
This menu enables the testing of the functionality of components in an
ON/OFF mode.The duration of each test is up to 60 seconds.
1. Select menu TEST via the and scroll buttons.
2. Press the button for one second to enter TEST.
NOTICE: Menu 3
▶ Any changes made in Menu 3 are not reset via these
actions.
ok
reset
°C
Eco
°C
°F
°C
°F
Reset
°C
°F
Eco
~5 s
~3 s
reset
ok
++
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1.
2.
ok
3.1A Maximum heating
output
The maximum heating output in kW
can be set here. The output can be
down rated.
Note: When maximum boiler output
is required for CO/CO
2
testing, this
parameter is ignored and full power
is delivered for the duration of the
test.
3.2B Maximum flow
temperature
This limits the upper flow
temperature of the central heating
knob. Which is 82°C as a maximum.
This can be down rated.
3.3D Minimum boiler power
for both heating and
hot water.
This sets the minimum output, for
example 7kW.
Table 31 Menu 3 parameters
max
min
max
2
3
1
04
bar
1
ok
eco
reset
e
°C
°F
Menu 3
max
min
max
2
3
1
04
bar
1
ok
eco
reset
e
1.
°C
°F
Menu 1
2.
°C
°F
Menu 3
5 s
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°C
°F
3.1A kW
ok