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Commissioning
GREENSPRING CWi47 – 6 720 646 322 (2015/04)
9.6 Control board diagnostics
To access the diagnostic menu, proceed as follows:
Press ON/OFF button to turn off the appliance.
Press and hold "Program" button and press ON/OFF
button to turn appliance ON.
Release the button when '188' appears on the
display. The display should read 'P2' when the program
button is released. If not, repeat process.
Press and release the button on the control panel until
the display reads 'P4'. You are now in the diagnostic mode
of the control board.
▶When the display reads 'P4', press and release the
button once again and the display should read 'E.
▶Use the or button on the control board to cycle
through different diagnostic modes available.
Once in the selected diagnostic mode of your choice, press
and release the
button to display the diagnostic
information.
Example: to read the flow rate in litres per minute while there is
a flow of water through the appliance, cycle to the '3d' mode
and press the
button. A reading of 15 on the display would
indicate the heater is reading a flow rate of 15 litres/minute.
Once the information is obtained,
▶Press the button again to return to the diagnostic
mode menu.
▶Press or buttons until the letter “E” appears on
the display, to leave the diagnostic menu.
▶Press button and in the display appear ‘P4’.
Press ON/OFF button to turn off the appliance.
Press ON/OFF button to turn ON the appliance.
Water Heater is ready for normal operation.
9.6.1 Working hours
To see how many hours the appliance has worked, please enter
the “Diagnostic menu”;
Select the sub-mode “H0”.
Write the number that shows in the display.
Select the sub-mode “H1”.
Write the number that shows in the display.
Select the sub-mode “H2”.
Write the number that shows in the display.
After checking the sub-modes H0, H1 and H2, introduce the
values in the table below;
Diagnostic menu
E Entry/Exit into sub-modes
0d Set-point temperature ( °C)
1d Inlet water temperature ( °C)
2d Outlet water temperature ( °C)
3d Water flow (l/min) (gallons/min)
4d Gas type (LP or NG)
5d Fan speed (Hz)
6d Burner power (%)
7d Maximum power (kW)
8d Back flow temperature ( °C)
9d Flue gas temperature ( °C)
1F Most recent error/failure
2F 2nd most recent error
Table 22
+
+
+
3F 3rd most recent error
4F 4th most recent error
5F 5th most recent error
6F 6th most recent error
7F 7th most recent error
8F 8th most recent error
9F 9th most recent error
10F 10th most recent error
H0 Numbers of hours - mode 0
H1 Numbers of hours - mode 1
H2 Numbers of hours - mode 2
When 'OO' appears on the display, this
means that 'no error' has occurred.
Working hours
Number in H0 ________ _______ +
Number in H1 ______ (X 100) = _______ +
Number in H2 ______ (X 10 000) = _______ +
(H0 + H1 + H2) = Total of hours __________
Table 23
Diagnostic menu
Table 22
45


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