Bosch WFVC VISION 16 Repair Instructions
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Bosch WFVC VISION 16 Repair Instructions

Bosch WFVC VISION 16 Repair Instructions

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1
SAFETY ........................................................ 2
2
INSTALLATION ............................................ 3
2.1
Basic installation ................................................................ 3
2.2
Feet (leveling legs).............................................................. 3
®
2.3
(aqua secure)................................................ 3
2.4
Water connections .............................................................. 4
2.5
Transport (shipping bolts) ................................................. 4
2.6
Drain hoses ......................................................................... 5
2.7
Installation hints ................................................................. 5
3
OPERATION ................................................. 6
3.1
Controls ............................................................................... 6
3.2
Child lock............................................................................. 6
3.3
Display symbols.................................................................. 7
3.4
Spin speeds......................................................................... 7
3.5
Changing signal volume..................................................... 8
4
COMPONENTS............................................. 9
4.1
Comparison to WFMC Nexxt washers............................... 9
4.2
WFVC washer components................................................ 9
4.3
Operation ........................................................................... 21
5
REPAIR....................................................... 23
5.1
Disassembly / Reassembly .............................................. 23
5.2
Diagnosing (troubleshooting).......................................... 33
5.3
Washer vibration............................................................... 35
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Motor control troubleshooting ........................................ 35
5.5
5.6
5.7
Customer maintenance .................................................... 38
6
FAULT DIAGNOSTICS ...............................40
6.1
Test program / fault (error) codes ................................... 40
7
TECHNICAL SPECIFICATIONS.................42
7.1
Washer ratings.................................................................. 42
Page 1 of 42

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Summary of Contents for Bosch WFVC VISION 16

  • Page 1: Table Of Contents

    Motor control troubleshooting ........35 SAFETY ............2 Customer diagnosing (from Operating Instructions) ..36 INSTALLATION ..........3 Customer fault displays (from Operating Instructions) 38 Customer maintenance ............ 38 Basic installation ..............3 FAULT DIAGNOSTICS .......40 Feet (leveling legs).............. 3 ®...

  • Page 2: Safety

    SAFETY c Danger of electric shock. WARNING Modern appliances are very powerful and use high technology devices to safely control that power. Failure to use the correct procedures and the approved parts can create serious hazards for the person servicing the appliance and for the user of an appliance with a bad repair.

  • Page 3: Installation

    ® INSTALLATION AQUASTOP (aqua secure) ® AQUASTOP water inlet hoses prevent water from leaking. They Basic installation connect like standard hoses with no special installation needed. If an inner hose ever should leak, the hose shuts off and it’s indicator Washers shall be installed according to national and local codes.

  • Page 4: Water Connections

    removed together. If bolts are unscrewed completely, inserts will drop Water connections inside washer frames. To eliminate possibility of leaking, don’t over tighten fittings. Teflon tape can also be used on all threads. Keep transport bolts for future washer moving. Once bolts have been removed, snap the supplied plastic plugs up Transport (shipping bolts) into the bolt holes in the rear of washers.

  • Page 5: Drain Hoses

    Drain hoses Installation hints Drain hoses connect to the rear of washers and allow washers to be drained into utility tubs or drain lines using the supplied “U” elbow. 702_58300000143607_ara_en_a Page 5 of 42...

  • Page 6: Operation

    OPERATION 3.2.2 Starting wash cycles with Child lock Rotate the program knob to the desired wash cycle, load laundry and Controls close the door -- the Start/Pause light flashes red. Press and hold the Start/Pause button until the wash cycle starts (~ 5 seconds) – the Controls are shown below.

  • Page 7: Display Symbols

    3.2.4 Unloading laundry Display symbols Once the wash cycle has ended, press and hold the Start/Pause button for ~ 5 seconds. The door can be opened and laundry removed. Child lock stays selected and will be activated when the next wash cycle is run. When the next wash cycle is run, press and hold the Start/Pause button (~ 5 seconds) to open the door to add laundry.

  • Page 8: Changing Signal Volume

    Changing signal volume The signal volume can easily be changed by customers. Press the Menu button to scroll through options to “Signal setup”. While in “Signal setup”, press and hold the Select button to continuously change the signal volume. While changing the volume continuously, the display will show “Continuous”...

  • Page 9: Components

    COMPONENTS WFVC washer components Basic components are control module, electric heater, drive motor / Comparison to WFMC Nexxt washers control, drain pump, sump, NTC temperature sensor and door lock. Many WFVC (Vision 16) components are the same as or similar to WFMC (Nexxt) washers.
  • Page 10 4.2.1 Electric heater / NTC 4.2.2 Heaters include an NTC (negative temperature coefficient) sensor and NTC’s (Negative Temperature Coefficient sensors), mounted in heater are accessed from the back of the tub. Heaters are rated 120VAC, assemblies, provide accurate temperature measurements. 1000W, 8.8A and can heat water up to 174ºF (79ºC), depending on the cycle used.
  • Page 11 4.2.3 Drive motor The drum drive motor is attached to the bottom of the tub and moves with the tub. The 3-phase, asynchronous, variable frequency motor has a speed sensor and is controlled by a separate motor control which provides variable speed control. The drum drive motor is removed from the rear of the tub –...
  • Page 12 4.2.5 Pressure switch The pressure switch (brown) has (3) switching positions: The water level system consists of a pressure switch, which reliably • Water level < level 1 (1 – 1.6 gal. / 4 – 6 l) measures water levels. •...
  • Page 13 4.2.6 Shock absorber (damper) 4.2.7 Rear shock absorber (damper) Along with the top and front counterweights, two 90 N shocks (one / Unlike WFMC washers with a rear spring, WFVC washers use a rear side) dampen washer vibrations, especially during spinning. Shocks shock, using the same shock as the side shocks.
  • Page 14 4.2.8 Door lock 4.2.9 Tub support and dampening system The door lock reliably locks washer doors while washers are filling, The tub has a 5-point support and dampening system (2-springs / 3- washing or spinning. Doors can be opened at certain times during shocks), allowing it to move independently.
  • Page 15 4.2.10 Fascia (control) panel 4.2.12 Door glass cover Fascia panel contains knob and bezel, which are factory built into the Complete door assemblies are not available. However, all door panel and cannot be obtained separately. Both rectangular and round components can be readily disassembled and replaced, including the buttons are available separately.
  • Page 16 ® 4.2.13 Dispenser 4.2.14 AQUASTOP (float switch – selected models) ® The dispenser tray, located on the front of fascia panels, is pulled out The AQUASTOP system consists of an assembly with float switch, from washers to add detergent, bleach or fabric softener. float and housing located near the front middle of the washer.
  • Page 17 ® 4.2.15 AQUASTOP (aqua secure) inlet hoses (selected models) ® Hot and cold water AQUASTOP inlet hoses eliminate leaking. The ® AQUASTOP hose consists of an inner hose (~ inlet water tubing) and an outer hose (corrugated, ~ to drain hoses). If the inner hose leaks, a small indicator window will show red, meaning the hose must be replaced (hoses cannot be reused once a leak occurs).
  • Page 18 4.2.16 Drain non-return assembly and sump 4.2.16.2 Sump The drain non-return assembly prevents waste water from entering The sump has a large opening and doesn’t have a sump ball to remove suds more efficiently. washers. It doesn’t use a reservoir to provide better suds removal. The drain non-return assembly and sump were designed to provide superior suds removal due to the number of cases of excessive detergent usage.
  • Page 19 4.2.17 Drain pump 4.2.18 Drain pump access cover The drain pump reliably pumps waste water from the sump through The drain pump cover can be removed to clean out debris from the the non-return assy and the drain hose to the customer drain system. pump.
  • Page 20 4.2.20 Drum bearings 4.2.22 Laundry deflector Washer drums use two rear bearings factory press fitted into rear The laundry deflector prevents small items such as socks and wash tubs, so bearings aren’t available separately. When replacing rear rags from collecting in door seals. When small clothes items get bearings, rear tubs or complete tub / drum assemblies must be jammed in door seals, they can apply pressure to bottoms of doors.

  • Page 21: Operation

    Operation 4.3.1.4 Unbalanced load sensor During final spin, washers monitor motor speed changes to determine 4.3.1 Sensors if loads are unbalanced. If so, washers stop, adjust loads and reduce spin speeds up to 15 times to allow wash cycles to finish. 4.3.1.1 Water / load sensor Spin speed...
  • Page 22 ® The hose has a one-time failure duty. If an inner hose should ever 4.3.2 AQUASTOP (aqua secure) hose operation leak where the indicator shows red, the hose must be replaced. ® The AQUASTOP hose consists of a sealed inner and outer hose and a leak detection / shut-off assembly.

  • Page 23: Repair

    Remove top panel (5.1.1), then gently pry up top plastic latches. REPAIR When top latches are released, gently pull the panel straight out until the bottom tabs release. Don’t tilt the panel to avoid breaking the Disassembly / Reassembly bottom tabs. 5.1.1 Top panel (worktop) Remove two T-20 Torx screws (with washers) from top rear corners of...
  • Page 24 Don’t force controls out from fascia panels to avoid breaking plastic 5.1.5 Round button assembly parts. If modules don’t come out easily, the procedure hasn’t been followed and plastic parts will break. The (clear) round button assembly is connected by delicate plastic rods.
  • Page 25 5.1.7 Bottom front panel (“toe kick”) 5.1.9 Door disassembly Removing the bottom front panel provides access to the drain pump The door isn’t available as a complete assembly, but is easily and manual door lock release. It’s also necessary for removing the disassembled and reassembled.
  • Page 26 Once the door hook screw has been removed, remove the remaining 5.1.10 Front panel five (5) T-20 Torx screws from the inner door frame. Lift the inner frame from the door and lift the door glass bowl from the door. The Remove top panel (5.1.1), fascia (control) panel (5.1.2), bottom front door glass bowl is keyed where it will fit into the door only one way.
  • Page 27 5.1.11 Door seal (boot / gasket) 5.1.12 Rear shock (damper) Remove top panel (5.1.1), fascia (control) panel (5.1.2), bottom front 5.1.12.1 Stowing rear shock panel (5.1.7) and door (5.1.8). There isn’t adequate clearance to easily disconnect the rear shock Disconnect door seal (boot / gasket) from front panel by removing from the tub.
  • Page 28 5.1.12.2 Removing and installing rear shock 5.1.13 Drum belt and pulley Although clearance is tight, the rear shock can be removed. Remove Remove belt from pulley by rotating pulley and “walking” belt off the bottom bolt and rotate the shock upwards until there’s access to pulley.
  • Page 29 Remove door seal (5.1.11), top counterweight and both front 5.1.15 Heater and NTC counterweights. The heater and NTC are located above the drum drive motor and are removed similarly. Remove rear panel (5.1.6) and disconnect heater and NTC wire harnesses. Loosen nut and pull heater with NTC out from tub.
  • Page 30 Remove (18) T-25 Torx screws holding front & rear tubs 5.1.17 Drain pump together. Remove front door (5.1.7), then loosen and remove hoses. Lift front tub off rear tub, then lift drum from tub. Disconnect manual release rod from clip and disconnect drain pump wire harness.
  • Page 31 5.1.18 Dispenser 5.1.19 Door lock Remove top panel (5.1.1). Pull out the dispenser tray and push the Open door and remove door seal (5.1.11). Remove two door lock center button to remove the tray from the washer. Remove three (3) screws, move lock toward rear of washer until it clears the front panel dispenser screws from the fascia (control) panel –...
  • Page 32 5.1.20 Installing door seals (boots / gaskets) 5.1.21 Serial # (E-Nr) label Door seals are held to the front shield and tub by spring clamps. The serial # label, located on the front panel under the door, shows Installing them can be tricky unless the following procedure is used. the model (E-Nr) and serial # of the washer.

  • Page 33: Diagnosing (Troubleshooting)

    Diagnosing (troubleshooting) Washer test programs diagnose issues so well that diagnosis and resistance measurements usually aren’t needed. Troubleshooting information is attached below if needed. Symptom Problem Solution Washer won’t start. Electricity is disconnected Make sure washer is connected to an appropriate 120V, 60 Hz or has been turned off.
  • Page 34 Symptom Problem Solution Drum won’t rotate. Drum rear bearing has Check how drum rotates. If drum wobbles or won’t move, failed. replace outer tub (containing faulty rear bearings). Motor control has failed. Check voltage at motor connectors when motor is energized. If low or no voltage, replace faulty motor control.

  • Page 35: Washer Vibration

    Reinforce floor – Wooden sub-floors may need reinforcing, Washer vibration especially on upper floors, as some aren’t adequate for modern high-speed appliances. Front loaders can vibrate more than top loaders due to higher spin speeds. Checklist for occasional vibration: Motor control troubleshooting Re-level washer –...

  • Page 36: Customer Diagnosing (From Operating Instructions)

    Customer diagnosing (from Operating Instructions) Problem Possible cause Remedial action Cycle doesn’t start and Door not closed properly. Check for laundry trapped in “Check door!” shows door. Re-close door securely. Problem Possible cause Remedial action on display. Child lock activated. De-activate Child lock (3.2.5).
  • Page 37 Problem Possible cause Remedial action Problem Possible cause Remedial action Aquastop float Shut off water and check for Too much detergent. Add fabric softener and run triggered (due to water in leak, including all connections. Refresh cycle. washer base). Soak up water from washer Wash cycle ran longer.

  • Page 38: Customer Fault Displays (From Operating Instructions)

    Customer fault displays Customer maintenance (from Operating Instructions) 5.7.1 Cleaning hose strainers Problem Possible cause Remedial action Water faucet not turned Turn water faucet on. Cycle “Check water tap!” Water hose strainers (filters) should be cleaned every six months, will continue. especially in areas with hard water, or when water flows more slowly Water hose...
  • Page 39 5.7.2 Cleaning detergent dispensers 5.7.3.2 Cause Suds lock & oversudsing come from using too much detergent, using Dispensers can be easily removed and cleaned by placing them under the wrong kind of detergent (not HE) or overloading washers (trapping warm running water. suds in clothes).

  • Page 40: Fault Diagnostics

    FAULT DIAGNOSTICS Er:01 Door open Door switch not actuated - close door, Normal - check lock, - check wire harness Er:04 Door actuation defective Triac defective, - replace control Normal Door relay stuck Test program / fault (error) codes Er:05 NTC interruption Cable break, - rectify cable break,...
  • Page 41 dr:23 Over temperature of heating sink Too heavy load, - check load, P:04 7. Display Mechanical friction - check oscillating system, All LEDs and all segments of LCD display are tested - check gasket Test program runs automatically dr:24 Line frequency range Line frequency out of inverter - check line frequency P:04...

  • Page 42: Technical Specifications

    TECHNICAL SPECIFICATIONS 7.1.6 Water levels (cotton cycle, empty drum) Level 1: 1 – 1.6 gal. (4 – 6 l); ~ 1.7” – 2.5” (43 – 65mm) • Washer ratings • Level 2 (heating): 4 – 4.5 gal. (15 – 17 l); ~ 4.5” – 5.1” (115 – 230mm) •...

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