Philips 5000 LATTE GO Service Manual page 34

PHI 5000 LATTE GO / GO+
It is possible to hear the "click" from Electro Valve. The indication
beside the EV1 changes from "OFF" to "ON".
Press the Z2 button to open the Electro Valve
IMPORTANT NOTE: If the DREGDRAWER is not inserted or the
DOOR is not closed the EV test cannot be performed. If these 2
inputs are not in the right position, a warning message will be
shown and the display turns to red.
It is possible to hear the "click" from Electro Valve. The indication
beside the EV2 changes from "OFF" to "ON".
Press and Release the Z4 button to switch on the pump (100
impulses)
The water goes out from the pipe and the indication IMP shows
increasing numbers. The indication L/H must be within the range
10-18.
ERROR: The display backlight changes from white to red and the
impulse remains 0; If water comes out the pipe: check the wiring
from the flowmeter to the CPU/POWER board (JP5). If no water
comes out the pipe: check the pump and the wiring from the pump
to the CPU/POWER board (JP24).
ERROR: The L/H is zero or very low; the Electro Valve does not
open. Check the wiring from the Electro Valve to the CPU/POWER
board (JP3) and the Electro Valve.
Press Z7 "
" to move to the next screen
230V
The machine passes to the level 5 (Heater-Grinder)
Press the Z4 button to switch on the grinder.
The grinder rotates and in the indication GRINDER the number
increasing up to 5000 (5seconds test). The other numbers inside the
GRINDER box are not important for this test.
04 DIAGNOSTIC MODE
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