Instruction/ maintenance manual of the product EF 473 Nespresso
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en Service Manual Coffee Machine EF 473 EF 474 Essenza FS.
2 Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Content s Preface _______________________ ______ 3 Main Component s __________________ 4 Overview _____________________ ______ 4 Overview of rati.
3 Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Preface The purpose of this Service Manual is to provide the servic e personnel with all necessary information wi th regards to correct handling, maintenance and repair of the cof fee machines EF 473 and EF 474.
4 Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Main Component s Overview 1) Closing handle 2) Cover 3) Compact brewing unit (CBU) 4) Capsule inlet 5) Side panel 6) F low meter 7) Button ".
5 Main Component s Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Overview of rating plates The rating plate - can be found at the under side of the coffee machine, - may be of varying design, d.
6 Main Component s Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 W ater circuit 1) Water t ank 2) Water t ank va lve and connector 3) F low meter 4) Pump 5) Thermoblock 6) Compact brewing unit .
7 Main Component s Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 T e chnical data Mains EUR 230V / 50 Hz USA /CAN 120 V / 60 Hz JAP 100 V / 50-60 Hz Approvals SEV , CENELE C, CE-conform, UL, CUL, MITI Cable length ~1,5 m Pump dat a Pump pressure - max.
8 Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Operation Prep aration 1. F ill tank with water . 2. Insert water tank in coffee machine. 3. Switch on machine with On/Off switch. 4. Position receptacle with a capacity of min.100 ml under coffee outlet.
9 Operation Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Fill water system If the coffee machi ne cannot pump water although there is water in the tank, the water circuit may be empty . Procedure to fill water system: 1. Perform steps 1 to 5 for preparation (see page 8).
10 Operation Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Making coffee 1. Open closing handle. 2. Insert capsule. 3. Press down closing handle completely . 4. Position cup under coffee outlet. 5. Press button "small cup" or "large cup".
11 Operation Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Programming The filling amount for co ffee is preset and can be changed with the fo llowing procedure. ) Factory settings: Button "small cup" ...... ..................40ml Button "large cup" .
12 Operation Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Reset to factory settings 1. Switch off machine. 2. Press and hold bu tton "large cup".
13 Operation Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Empty water system After operation, residual water rema ins in the water circuit. This residual water can be removed - before a longer period of non-use, - for frost protection, - before repair and following shipping.
14 Operation Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Coffee machine st atus After switching on, an automatic self-test is performed to check if - the NTC is connected, - the NTC is short circuited, - the thermoblock reaches the standby temperature with in 2 minutes.
15 Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 T roubleshooting Checking the machine on receipt The receipt check enables you to rapidly locate faults on the ma chine and to initiate appropriate repair action. Follow the check procedure. Repair any fault s found and check if the machine is operating perfectly .
16 T roubleshooting Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 4 Press On/Off button to perform automatic self te st - continued 4.1 Machine is not working (no function) - continued YES - g) Check if electrical wires are functional YES - Replace electr onic mainboard NO - Replace defective(s) wire(s) NO - Go to point 4 .
17 Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Rep air General disassembly T ool: - Oval screwdriver ) Empty water system if necessary (see p age 12). Unplug from the mains before disassembling machine - appliance must be isolated! Procedure: 1.
18 Rep air Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Replacing thermobl ock and NTC T ools: - Torx screwdrivers T10, T30 - Open-ended spanner 10 mm AF - Torque wrench Procedure: 1. Follow general disassembly (see page 16). 2. Remove screw (2 3) and detach holder (48) with flow meter (47).
19 Rep air Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Replacing flow meter and On/Of f switch T ools: - Torx screwdriver T10 Procedure for flow meter: 1. Follow general disassembly (see page 16). 2. Remove screw (2 3) and detach holder (48) with flow meter (47).
20 Rep air Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Replacing pump T ools: - Torx screwdriver T10 - Long-nose pliers - Blade screwdriver, no. 7 Procedure: 1. Follow general disassembly (see page 16) 2. Unplug fixed pump cable and electrical connection on pump (17).
21 Rep air Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Replacing electronic control board with button prints T ools: - Torx screwdriver T10 The service engineer must be earthed using an earthing strap! ) Only touch button print s with dedicate d gloves to avoid oxydation.
22 Rep air Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Replacing comp act brewing unit (CBU) T ools: - Torx screwdrivers T10, T20 - Blade screwdriver no. 4 - Oval screwdriver - Long-nose pliers - Torque wrench Procedure: 1. Remove water tank ( 33) and drip tray (8) together with drip grid (7) and capsule contai ner (6).
23 Rep air Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Electronic control board, wiri ng diagram - Europe (230V / 50 Hz) 1) Heat sink 2) Print for button "large cup" with LED 3) Pri.
24 Rep air Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Electronic control board, wiring diagram - USA (UL, 120 V / 60 Hz) 1) Heat sink 2) Print for button "l arge cup" with LED 3) P.
25 Rep air Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Electronic control board, wiri ng diagram - Jap an (100 V / 50-60 Hz) 1) Heat sink 2) Print for button "large cup" with LED 3).
26 Rep air Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Descaling (1) Only use Nespresso decalcifier - never vinegar! Decalcifier is aggr essive to surfaces. Prep aration: 1. Switch off machine. 2. Eject capsule. Insert filter from descaling kit in capsule inlet and close handle.
27 Rep air Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Descaling (2) 10. F ill water tank again with descaling solution from pot. 1 1. Repeat descaling pr ocedure one more time: Press button "large cup" and let entire descaling solution run through.
28 Rep air Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Measuring flow rate Procedure: 1. F ill water tank. 2. Insert pressure pl ug in capsule inlet. 3. Press down closing handle lightly till pressure plug fits in cap sule cage. 4. Pull off holding device.
29 Rep air Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Checking for leaks and pump pressure (1) The following components are checked for leaks: - Compact brewing unit - Connections - Thermoblock -P u m p Prep aration (unplug ma chine from mains): 1.
30 Rep air Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Checking for leaks and pump pressure (2) Procedure (continued): 8. Switch on machine. 9. Press button "large cup" after heating-up. 10. Open valve and leave water to run out for approx.
31 Rep air Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Measuring coffee temperature Procedure: 1. Switch on machine. 2. Position measuri ng beaker underneath coffee outlet. 3. After warming up, press button "large cup" and preheat coffee ou tlet with hot water .
32 Rep air Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Daily care and final cleaning Procedure (machine is switched off): 1. Eject capsule. 2. Empty capsule container . 3. Empty water tank and drip tray . 4. Clean water tank and drip tray . 5.
33 Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Spar e P a r ts Rep air accessories * Only available through Nespresso. Please call yo ur Nespresso contact.
34 Spar e P a r ts Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Sp are part s EF 473 Pos. EFR nr . Compon ent 1 42 501 Upper chassis EF 473 2 24 863 Safety screw 3,0 x 12 KST/PT 3 40 686 Coffe.
35 Spar e P a r ts Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Sp are part s EF 473 (continued) Pos. EFR nr . Compon ent 26 42 572 Angle connection for hoses 28 44 636 Electronic set 23 0V EF.
36 Spar e P a r ts Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Sp are part s EF 474 Pos. EFR nr . Compon ent 1 42 502 Upper chassis EF 474 2 24 863 Safety screw 3,0 x 12 KST/PT 3 40 687 Coffe.
37 Spar e P a r ts Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Sp are part s EF 474 (continued) Pos. EFR nr . Compon ent 26 42572 Angle connection for hoses 28 44636 Electron ic set 230V EF 4.
38 Service Manual EF 473 / EF 474 en Ve r s i o n 1 . 0 Notes.
An important point after buying a device Nespresso EF 473 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Nespresso EF 473 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Nespresso EF 473 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Nespresso EF 473 you will learn all the available features of the product, as well as information on its operation. The information that you get Nespresso EF 473 will certainly help you make a decision on the purchase.
If you already are a holder of Nespresso EF 473, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Nespresso EF 473.
However, one of the most important roles played by the user manual is to help in solving problems with Nespresso EF 473. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Nespresso EF 473 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
