Egro ONE - List of Warnings

Technical Manual V6.00 45 01.05.2017
6.2. List of warnings
Warning - Coffee machine works with limitations
Code
Fault description
Solution
W01
Short circuit +12V light module
Check listed elements
 Check cables and wiring
W02
Short circuit +24V spindle motor
Check listed elements
 Check cables and wiring
W03
Short circuit +5V end switch or encoder spindle motor
Check listed elements
 Check cables and wiring
W04
Short circuit +12V pressure sensor
Check listed elements
 Check cables and wiring
W05
Short circuit +5V iSteam keyboard
Check listed elements
 Check cables and wiring
W06
Short circuit +5V flow meter
Check listed elements
 Check cables and wiring
W07
No signal from flow meter
Check flow meter with diagnostic
 Check water supply
 Check water pump and water pressure
 Check electric contacts
 Check the restrictor in the piston
 Check brewing valve
W08
Short circuit brewing valve [Y1]
Check valve with diagnostic
 Check cable from valve to control board
W09
Short circuit bypass valve [Y6]
Check valve with diagnostic
 Check cable from valve to control board
W10
Short circuit fill valve boiler [Y3]
Check valve with diagnostic
 Check cable from valve to control board
W11
Short circuit right steam valve or pinch valve [Y5]
Check valve with diagnostic
 Check cable from valve to control board
W12
Short circuit left steam valve [Y4]
Check valve with diagnostic
 Check cable from valve to control board
W13
Short circuit cold rinse valve [Y10]
Check valve with diagnostic
 Check cable from valve to control board
W14
Short circuit air valve [Y13A]
Check valve with diagnostic
 Check cable from valve to control board
W15
Short circuit fridge right milk valve [Y12B]
Check valve with diagnostic
 Check cable from valve to control board
W16
Short circuit fridge left milk valve [Y12A]
Check valve with diagnostic
 Check cable from valve to control board
W17
Short circuit air pump [M6]
Check pump with diagnostic
 Check cable from pump to control board
W18
Short circuit fridge right relay milk pump [K5]
Check relay with diagnostic
 Restart machine
 Check cable from relay to control board
W19
Short circuit fridge left relay milk pump [K4]
Check relay with diagnostic
 Restart machine
 Check cable from relay to control board
W20
Short circuit 4TEA cold water valve [Y2A]
Check valve with diagnostic
 Check cable from valve to control board
W21
Short circuit 4EA hot water valve [Y2B]
Check valve with diagnostic
 Check cable from valve to control board
W22
Short circuit iSteam air valve [Y14A]
Check valve with diagnostic
 Check cable from valve to control board
W23
Short circuit iSteam steam valve [Y14]
Check valve with diagnostic
 Check cable from valve to control board