Bosch GV550 TT Operating instructions

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GV550 TT
9001630797_ARA_EN_A_Repair_Hints_TT.docx – 06.04.21 Page 1 of 35
1INTRODUCTION...........................................2
1.1 Purpose of the document....................................................3
1.2 General symbols ..................................................................3
1.3 Relevant safety symbols .....................................................3
2SAFETY........................................................4
2.1 Signage for risk levels.........................................................5
2.2 Signage for physical damage..............................................5
2.3 General safety instructions.................................................5
3TOOLS AND AIDS........................................8
Designation........................................................................................8
Details ................................................................................................8
Image..................................................................................................8
Torx screwdriver with T20 bit and hole...........................................8
..................................................................8
Torx screwdriver with T15 bit ..........................................................8
Length 80 mm....................................................................................8
...................................................................8
Slotted screwdriver........................................................................... 8
200 mm...............................................................................................8
.....................................................8
Needle nose pliers.............................................................................8
Length: 200 mm, straight..................................................................8
................................................................8
4REPAIR ........................................................9
4.1 Replace spray arms............................................................10
4.2 Replace the filters...............................................................11
4.3 Replace the drain pump cover...........................................12
4.4 Replace plug .......................................................................13
4.5 Basket systems...................................................................14
4.6 Replace outer door.............................................................15
4.7 Replace the control panel..................................................18
4.8 Replace the detergent dispenser cover............................19
4.9 Replace the lower door seal ..............................................20
4.10 Replace the door seal.........................................................23
4.11 Replace the lower cover.....................................................25
4.12 Replace door springs.........................................................27
4.13 Replace hinge .....................................................................29
4.14 Replace the emotion light..................................................31

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1INTRODUCTION

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1.1 Purpose of the document
These repair tips help the customer to repair the appliances
themselves in accordance with the applicable eco-design regulation
(from 03/2021).
They contain information about the way to replace defined spare
parts, including warnings and risks.
If in doubt, contact our customer service department. We will only be
liable for damage if the repair instructions have been followed
correctly.
1.2 General symbols
Symbol Meaning
Special information
1.3 Relevant safety symbols
Symbol Meaning
General warning
Danger from electrical voltage
Danger of cutting
Danger of crushing
Hot surfaces
Explosion hazard
Strong magnetic field
Non-ionising radiation

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2SAFETY

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2.1 Signage for risk levels
Signage Meaning
DANGER Imminent danger which may lead to death or serious
injury if it is not avoided.
WARNING Possible imminent danger which may lead to death or
serious injury if it is not avoided.
BE
CAREFUL Possible imminent danger which may lead to minor injury or physical damage if it is not avoided.
2.2 Signage for physical damage
Signage Meaning
WARNING Warning about possible physical damage
2.3 General safety instructions
►Read the repair manual and follow the instructions contained in it.
►Proceed systematically and follow the instructions for locating and
repairing faults.
2.3.1 All domestic appliances
Electric shock hazard due to live parts
►Errors in repairs on electrical components can lead to electric
shock!
►Unplug the appliance from the mains at least 60 seconds before
starting the work.
►After the repair, ensure that a safety test is performed in
accordance with standard VDE 0701 or the country's specific
standards.
Risk of injury due to sharp edges.
►Wear protective gloves!
►Risk of crushing during repairs, maintenance, troubleshooting and
technical servicing due to heavy, moving parts.
►Wear protective footwear!
►Secure heavy components to prevent them from falling down.
►Do not insert body parts into moving components.
Risk to the appliance's safety / operation.
►Only use original spare parts!
Risk of damage to electrostatic sensitive components (ESD).
►Do not touch the modules, including the connections and
conductive paths.

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2.3.2 Warning structure
DANGER
Exposed live parts
Risk of death by electrocution.
►Disconnect the appliance from the mains.
►Do not touch the housing, frame or components.
►If live testing is necessary, use a safety switch.
►Make sure that the earth wire resistance does not
exceed the standardised values.
WARNING
In the event of a fault, the touchable conductive parts
may be live.
Risk of death by electrocution.
►Disconnect the appliance from the mains.
►Do not touch the housing, frame or components.
►If live testing is necessary, use a safety switch.
►Make sure that the earthing conductor's resistance
does not exceed the standardised values.
BE CAREFUL
Injuries from cuts on sharp edges.
►Wear protective gloves.
►Wear personal protective equipment.
BE CAREFUL
Charged capacitors
Risk of injury from electrocution and response to shock.
►Discharge the capacitors in the appliance before
performing the work.

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WARNING
Components with electrostatic hazard.
Destruction of components when touched.
►Before any work involving components with an
electrostatic hazard, install an electrostatic protection
system.
►Follow the measures to protect the components with an
electrostatic hazard.
WARNING
Destruction of components due to indiscriminate
replacement of parts.
Destruction of components when touched.
►Perform troubleshooting before replacing components.
►Check systematically.
►Follow the technical documentation.
►Avoid needlessly replacing components.

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3TOOLS AND AIDS
Designation Details Image
Torx
screwdriver
with T20 bit
and hole
(00340764)
100 mm
for screws
with safety
pin
Torx
screwdriver
with T15 bit
Length 80
mm
Slotted
screwdriver blade 10
mm x 1.6
mm x
200 mm
Needle nose
pliers
[00340871]
Length:
200 mm,
straight

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4REPAIR

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4.1 Replace spray arms
4.1.1 Remove lower spray arm
Push the lower spray arm upwards.
4.1.2 Install lower spray arm
Insert the lower spray arm. It will click when it is in position.

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4.2 Replace the filters
4.2.1 Remove the filters
Turn the coarse filter (1) anticlockwise and remove the filter system
(2).
Pull down the microfilter.
Press the catch tappets (1) and pull up the coarse filter (2).
4.2.2 Install the filters
1. Reinstall the filtration system.
Make sure that the coarse filter's latches snap into position.
2. Insert the filtration system into the appliance and turn the coarse
filter clockwise.
Make sure that the arrow markings match up.

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4.3 Replace the drain pump cover
Prerequisites:
Disconnect the appliance from the power supply.
Remove the upper and lower baskets.
Remove the filters.
Drain any water that is present. Use a sponge if necessary.
4.3.1 Remove the drain pump cover
BE CAREFUL
Risk of injury
►Wear protective gloves.
►Carefully remove any build-up of foreign matter.
Undo fastening screws of the pump cover ( T 20 torx).
Pull the pump cover upwards.
Remove any food residue and foreign matter inside the appliance.
4.3.2 Install the drain pump cover
Fit the pump cover.
Press it down and screw it in.
Install the filter system.
Insert the upper and lower baskets.

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4.4 Replace plug
WARNING
Overheating of main connection!
Risk of fire in the appliance
►When changing the appliance's input cable for use with
sockets in the country, you should also check the
country's voltage and frequency.
►Firmly insert it until you hear a click.
Two strong pins on either side prevent the plug from inadvertently
coming loose or detached from the appliance.
4.4.1 Assembly
4.4.2 Disassembly
The plug is removed from the socket in the appliance by gently
moving it sideways and pulling at the same time.

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4.5 Basket systems
The 60 cm models have 2 baskets.
The 45 cm models only have one basket.
4.5.1 Folding sticks
They fit into a slit in the plastic support on the side.
Press the lever forwards when the sticks are not needed.

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4.6 Replace the outer housing
Prerequisite:
Appliance is disconnected from the mains.
Appliance is disconnected from water supply.
Remove the base from the appliance.
4.6.1 Disassemble the outer housing
Open the door.
Remove the 4 torx T20 screws from the front of the housing.
Remove the 4 torx T20 screws from rear of the housing.
Release the two lower latches on either side.

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Remove the housing.
4.6.2 Install the housing
Place the housing on the appliance

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Tap on the back lower part of both sides to fit the housing. Tap on the front lower part of both sides to finish fitting the housing.
Screw in the 4 front and rear torx 20 screws.
Install the earth connection in the lower base.
Install the bottom cover.

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4.7 Replace outer door
Prerequisites:
Appliance is disconnected from the mains.
Appliance is disconnected from water supply.
4.7.1 Remove the outer door
Remove the screws described below with a torx 15 screwdriver.
1- Open door.
2- Remove 10 screws.
3- Close the door by holding it on one side.
4- Release the door by pulling down on its latches.
5- Disconnect the earth wire from the door.
Release the door from the lower retaining latches.

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Panel screws
The inner door's 2 lateral screws secure the hinges to
the inner door.

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4.7.2 Install the outer door
Follow the steps in reverse order.
WARNING
Cables not properly secured or incorrectly
positioned!
Risk of damage to cable harness.
►Position the cables and secure in place with adhesive
tape.
Position the cable harness correctly in the lower seal support.
Fit the outer door on the lower door seal support.