Control Board Diagnostics - Worcester GREENSPRING CWi47 Installation And Operating Instructions Manual

COMMISSIONING
9.6

CONTROL BOARD DIAGNOSTICS

To access the diagnostic menu, proceed as follows:
B Press ON/OFF button to turn off the appliance.
B Press and hold "Program"
OFF button to turn appliance ON.
B Release the button when '188' appears on the
display. The display should read 'P2' when the
program button is released. If not, repeat process.
B Press and release the
until the display reads 'P4'. You are now in the
diagnostic mode of the control board.
B When the display reads 'P4', press and release the
button once again and the display should read 'E.
B Use the or button on the control board to
+
cycle through different diagnostic modes available.
B Once in the selected diagnostic mode of your choice,
press and release 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
on the display would indicate the heater is reading a flow
rate of 15 litres/minute.
Once the information is obtained,
B Press the button again to return to the diagnostic
mode menu.
B Press or buttons until the letter "E" appears
+
on the display, to leave the diagnostic menu.
B Press button and in the display appear 'P4'.
B Press ON/OFF button to turn off the appliance.
B Press ON/OFF button to turn ON the appliance.
Water Heater is ready for normal operation.
Diagnostic menu
E Entry/Exit into sub-modes
0d Set-point temperature (ºC)
1d Inlet water temperature (ºC)
2d Outlet water temperature (ºC)
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 (ºC)
9d Flue gas temperature (ºC)
Tab. 21
42
button and press ON/
button on the control panel
+
button to display the
button. A reading of 15
Diagnostic menu
1F Most recent error/failure
2F 2nd most recent error
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
Tab. 21
When 'OO' appears on the display, this
means that 'no error' has occurred.
9.6.1 WORKING HOURS
To see how many hours the appliance has worked,
please enter the "Diagnostic menu";
B Select the sub-mode "H0".
Write the number that shows in the display.
B Select the sub-mode "H1".
Write the number that shows in the display.
B 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;
Working hours
Number in H0 ________
Number in H1 ______ (X 100) =
Number in H2 ______ (X 10 000) =
(H0 + H1 + H2) = Total of hours
Tab. 22
6 720 646 322 (2012/05)
_______ +
_______ +
_______ +
__________