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Philips bucky inalfa 25151ad 05: troubleshooting and error codes

The ServiceForge knowledge base holds 53 documented symptoms for the Philips bucky inalfa 25151ad 05, with 69 ranked causes, 101 diagnostic checks with test points and expected values, and 0 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Cassette format not displayed correctly

Control handle display does not show correct cassette format when cassette is inserted centered or slightly offset in bucky unit

Ranked causes

1. Cassette not properly centered or positioned (common)
2. Cassette present switch malfunction (occasional)
3. Horizontal encoder-plate misaligned (occasional)

First check

Insert cassette centered in bucky

Test point: Control handle display
Expected: Correct format displayed

1 more check with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cassette tray physically damaged caution

Visual inspection reveals bent levers, loose screws, or damage to cassette tray affecting proper cassette positioning and detection

Ranked causes

1. Levers bent or deformed (occasional)
2. Loose screws or parts on levers (common)
3. Lever movement sticking or difficult (occasional)

First check

Visually inspect cassette tray

Test point: Tray removed from unit
Expected: No visible damage, levers not bent

1 more check with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Fixing block replacement for bucky wallstand

Install or replace fixing block assembly on cassette loader; required only for wall-mounted bucky units

Ranked causes

1. Fixing block assembly required or worn (unknown)
2. Left-hand version required (unknown)
3. Right-hand version required (unknown)

First check

Assemble clamping plate into fixing block

Test point: Fixing block assembly
Expected: Clamping plate (1) seated in fixing block (2)

4 more checks with pass and fail actions, 4 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Incorrect cassette size display at control handle

Control handle does not show correct size for inserted cassette

Ranked causes

1. Cassette damaged or incorrect (occasional)
2. Incorrect display unit setting (metric vs. imperial mismatch) (common)
3. Cassette size calibration not performed after bucky installation (occasional)

First check

Inspect cassettes for damage

Test point: cassette physical condition
Expected: Cassettes intact, no visible damage

5 more checks with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cassette not detected or size not displayed

Control handle display does not show correct cassette format when cassette is inserted in the bucky tray

Ranked causes

1. Cassette present switch not functioning (common)
2. Horizontal encoder-plate misaligned or dirty (common)

First check

Insert cassette and observe if format is displayed on control handle

Test point: control handle display
Expected: Format displayed

1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cassette positioning tolerance out of spec

Cassette position deviates from allowed tolerance after recognition and movement

Ranked causes

1. Vertical positioning error exceeds tolerance (unknown)
2. Horizontal positioning error exceeds tolerance (unknown)

First check

Measure vertical positioning accuracy after cassette insertion

Test point: X22 vertical
Expected: ±6 mm, ±6 mm

1 more check with pass and fail actions are in ServiceForge. Connect ServiceForge to your AI

Cassette size format not displayed after tray insertion

Control handle display does not show cassette format when tray is slightly pulled out by 1.5-2.5 mm after size is initially displayed

Ranked causes

1. Cassette present switch misaligned or faulty (unknown)
2. Horizontal encoder-plate misalignment (unknown)

First check

Insert cassette and pull tray out by 1.5-2.5 mm

Test point: Control handle display
Expected: Format still displayed

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cassette size not detected during tray movement

Display ceases showing cassette format when tray is pulled out slightly (1.5-2.5 mm) or moved in Z-direction after cassette insertion

Ranked causes

1. Cassette present switch misaligned or defective (common)
2. Horizontal encoder-plate misaligned (common)

First check

Pull tray out by 1.5-2.5 mm with cassette inserted and format displayed

Test point: Control handle display
Expected: Format still displayed

1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Sensor dirty or scratched caution

Visible scratches, dust, or contamination on sensor surfaces that may affect detection accuracy

Ranked causes

1. Dust or debris accumulation on sensors (common)
2. Physical damage or scratches on sensor (occasional)

First check

Visually inspect all sensors for dust, debris, scratches or discoloration

Test point: sensor surfaces
Expected: clean, without scratches

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Sensor supply voltage out of range high voltage

Supply voltage to sensors is below minimum specification or unstable

Ranked causes

1. Power supply 15 V failure (common)
2. Loose or corroded sensor connector (occasional)

First check

Measure sensor supply voltage at all three sensors

Test point: voltmeter between X10 Gnd and X20/X21/X22 pin 2 (yellow)
Expected: ≥14.7 V ± 0.2 V, ± 0.2 V
Tools: voltmeter

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Sensor track signal low or missing

One or more sensor tracks do not produce expected high-level voltage signal when cassette is inserted

Ranked causes

1. Sensor defective (common)
2. Sensor to encoder-plate distance incorrect (occasional)

First check

Check every track of every sensor for high-level voltage signal

Test point: voltmeter between Gnd and X20/X21/X22 pin 3,4,5,6 (pink, white, grey, brown)
Expected: With 43 cm in vert./hor. direction, all 4 tracks are H. The high-level shall be >13.0 V, >13.0 V
Tools: voltmeter

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Tray movement restricted or levers stuck caution

Cassette tray levers do not move freely or movement is impeded

Ranked causes

1. Loose screws or debris on levers (common)
2. Bent levers (occasional)

First check

Visually inspect tray and levers for damage and debris

Test point: cassette tray assembly
Expected: Levers not bent, no loose screws/parts

1 more check with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: bucky exposure delay

Exposure timing relative to bucky grid motion must be adjusted to prevent exposure coinciding with grid reversal point during short-time exposures.

Ranked causes

1. Exposure delay time requires adjustment for generator type (common)

First check

Measure delay time between grid signal and exposure request

Test point: VA1 K2:3 and K2:4 with oscilloscope
Expected: 120 - 150 ms after grid magnet drops out

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Cassette size recognition switch points

Procedure to calibrate vertical and horizontal switch points for cassette size recognition

Ranked causes

1. Calibration required during installation or maintenance (common)

First check

Insert test cassette 7" x 5"

Test point: bucky frame cassette tray
Expected: 7" x 5" cassette inserted without binding

4 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: cassette support plate replacement for 40 cm cassettes caution

Replace cassette support plate when 40 cm cassettes are used; involves drilling holes, filing slots, and installing new stop cam

Ranked causes

1. Old cassette support plate does not accommodate 40 cm cassettes (unknown)

First check

Determine if 40 cm cassettes will be used

Test point: equipment configuration
Expected: Operator confirms whether 40 cm cassettes are in use

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: exposure delay time radiation

Exposure delay between grid magnet drop and X-ray release must be 120–150 ms to prevent grid reversal interference during short exposures.

Ranked causes

1. Delay time requires adjustment for generator type (common)

First check

Measure delay time with oscilloscope

Test point: VA1 K2:3 and K2:4
Expected: 120–150 ms (generator-dependent)

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Exposure delay time adjustment radiation

Set exposure delay between grid magnet dropout and exposure initiation to prevent coincidence with grid reversal during short-time exposures. Fine adjustment via potentiometer and test exposures required.

Ranked causes

1. Exposure delay time requires adjustment for generator type compatibility (common)

First check

Measure delay time between XGRDEX and RQXGEX signals

Test point: VA1-K2:3 and K2:4
Expected: Per generator type: Velara/OPTIMUS 3-12ms, SCP 3-12ms, MEDIO CP/CPH 8-15ms, MCM 3-20ms, MM 80/85 8-15ms, MM 100/150 15-25ms, SM 40/70 10-22ms, SM 80/100 40-50ms, MEDIO 51 21-39ms, 40-60ms
Tools: Oscilloscope

1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: horizontal encoder plate distance adjustment caution

Distance between horizontal encoder plate and sensor must be set within specification using leveling shims

Ranked causes

1. Encoder plate distance out of specification (unknown)

First check

Measure distance between horizontal encoder plate and sensor

Test point: horizontal encoder plate to sensor gap
Expected: 1.0 mm ± 0.5 mm, ±0.5 mm

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Horizontal sensor position and gap

Horizontal MUX sensor spacing from rail must be precisely set to ensure correct cassette detection

Ranked causes

1. Horizontal sensor gap misaligned from rail specification (common)

First check

Mark current sensor position before removal

Test point: horizontal sensor location
Expected: Position marked or template tool (code No. 4512 131 17831) used as reference

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Horizontal sensor replacement and positioning

MUX sensor must be positioned at correct distance from rail and secured. Involves removing old sensor and installing new one with precise spacing.

Ranked causes

1. Sensor replacement required (unknown)

First check

Measure distance between sensor housing and black rail

Test point: MUX sensor housing to rail
Expected: 24 mm ± 0.1 mm, ± 0.1 mm

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Sensor to encoder-plate distance caution

Verify and adjust horizontal distance between sensor and encoder-plate to specification

Ranked causes

1. Horizontal encoder-plate misalignment (common)

First check

Measure distance between horizontal encoder-plate and sensor

Test point: distance hor.plate--sensor
Expected: 1.0 mm ± 0.5 mm, ± 0.5 mm

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Template positioning for 5" x 7" cassette

Verify cassette size detection and positioning using 5" x 7" template centered to mark; adjustment required if test fails

Ranked causes

1. Misalignment or incorrect cassette detection (unknown)

First check

Template position relative to mark

Test point: 5" x 7" cassette location
Expected: Centered to mark

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Template positioning for 9.5" x 9.5" cassette

Verify cassette size detection and positioning using 9.5" x 9.5" template centered to mark; adjustment required if test fails

Ranked causes

1. Misalignment or incorrect cassette detection (unknown)

First check

Template position relative to mark

Test point: 9.5" x 9.5" cassette location
Expected: Centered to mark

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: Vertical encoder wheels

Vertical encoder wheels misaligned; cassette position not correctly detected by encoder disks

Ranked causes

1. Encoder wheel levers misaligned or bent (common)

First check

Test vertical encoder with 9.5" cassette

Test point: encoder wheel position
Expected: 9.5" line visible at center of triangle when levers touch cassette

2 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Calibration: vertical lever long/short adjustment

Vertical lever arms require adjustment to ensure correct sensing distance for cassette detection in the bucky unit.

Ranked causes

1. Sensing arm distance incorrect (unknown)

First check

Measure distance between pivot point and sensing arm detection point on both lever arms

Test point: lever arm pivot to detection point
Expected: 188 ± 0.5 mm, ±0.5 mm

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cassette format not recognized

System fails to recognize cassette size (7" x 5") during insertion or removal

Ranked causes

1. Vertical or horizontal cassette size recognition switch misaligned (common)

First check

Verify cassette present switch closure

Test point: Cassette present switch
Expected: Closed

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cassette holder not parallel to magnet brake caution

Holder position is not parallel with respect to the attracted magnet brake after power on

Ranked causes

1. Grid release switch misaligned (unknown)

First check

Switch ON power supply and verify holder parallelism

Test point: holder (1) to attracted magnet brake (2)
Expected: Holder parallel to magnet brake

2 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cassette position not recognized

Equipment does not detect cassette or reports incorrect position; encoder signals do not match expected values for installed cassette size

Ranked causes

1. Cassette not positioned symmetrically or outside allowable variation (common)

First check

Measure encoder disk signal voltage at VA2 connector

Test point: VA2 X2:5/6
Expected: Voltage corresponding to installed cassette size (see table)
Tools: Multimeter

2 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cassette position not recognized in eccentric mode

Bucky unit fails to detect cassette positioned fully to left or right side; encoder disk signals do not match expected values for eccentric positioning

Ranked causes

1. Encoder disk signal out of specification for eccentric position (common)

First check

Measure voltage at VA2 X2:5/6 connector with cassette in eccentric position

Test point: VA2 X2:5/6
Expected: Value matching eccentric position table row for cassette size, ± 0.3V
Tools: Voltmeter, INALFA test tool

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cassette position not recognized or misaligned

Bucky unit fails to detect or correctly identify cassette position; encoder signals do not match expected values for centric positioning

Ranked causes

1. Cassette not positioned symmetrically at centric location (common)

First check

Verify cassette position symmetry and measure encoder disk signals

Test point: ENCODER DISKS at X20/22, X20 or X22, X21
Expected: Signals match established values for centric position (long=short) V, +/-0.5V
Tools: INALFA test tool, voltmeter

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cassette present switch adjustment

Cassette tray spring plate movement verification during cassette insertion

Ranked causes

1. Cassette present switch out of adjustment (unknown)

First check

Measure spring plate movement with cassette tray inserted

Test point: cassette present switch spring plate
Expected: 0.8 ... 1.2 mm, 0.8 to 1.2 mm

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cassette present switch adjustment needed

Cassette tray insertion does not properly trigger switch; spring plate movement out of tolerance

Ranked causes

1. Spring plate travel outside tolerance range (unknown)

First check

Measure spring plate travel with cassette tray inserted

Test point: Cassette present switch spring plate
Expected: 0.8 ... 1.2 mm movement, 0.8 to 1.2 mm

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cassette present switch deflection out of specification

Spring plate does not deflect within specified range when cassette tray is inserted

Ranked causes

1. Spring plate deflection insufficient or excessive (occasional)

First check

Measure spring plate deflection

Test point: Cassette present switch spring plate
Expected: 0.8 ... 1.2 mm deflection with cassette tray inserted, 0.8 to 1.2 mm
Tools: Caliper or ruler

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cassette present switch movement out of range

Spring plate of cassette present switch does not move the required distance when cassette tray is inserted

Ranked causes

1. Spring plate misalignment or obstruction (unknown)

First check

Measure spring plate movement with cassette tray inserted

Test point: Spring plate of cassette present switch
Expected: 0.8 ... 1.2 mm, 0.8 to 1.2 mm

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cassette size format not displayed during Z-direction tray movement

Control handle display does not show cassette format when tray is moved in Z-direction after size is initially displayed

Ranked causes

1. Horizontal encoder-plate misalignment in Z-direction (unknown)

First check

Move tray in Z-direction with cassette inserted and format displayed

Test point: Control handle display
Expected: Format still displayed

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cassette size marked as not possible in eccentric mode

System indicates eccentric positioning not supported for cassette sizes 13 cm through 9.5 cm (5 to 9.5 inches); these entries show 'not possible' in eccentric position table

Ranked causes

1. Cassette size physically incompatible with eccentric positioning (common)

First check

Verify cassette size supports eccentric positioning

Test point: Cassette size label
Expected: 28 cm (11 inch) or larger for eccentric mode; 13-24 cm not supported
Tools: Visual inspection

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cassette size not recognized

Cassette format is not recognized when inserted into bucky frame

Ranked causes

1. Vertical or horizontal recognition switch misaligned (common)

First check

Insert cassette and verify format recognition

Test point: Cassette tray insertion point
Expected: Cassette format recognized

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cassette size not recognized correctly

System fails to recognize 10" x 12" cassette format during test; may recognize cassette size when none is inserted

Ranked causes

1. Stopper distance incorrect for cassette recognition (common)

First check

Insert 10" x 12" cassette template and test recognition

Test point: Cassette recognition system
Expected: Template centered with respect to mark; cassette size recognized

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cassette size not recognized horizontally

Control handle does not display correct cassette size when 9.5" x 12" cassette is inserted horizontally; size recognition fails within ±2 mm positioning tolerance

Ranked causes

1. Cassette positioning outside tolerance range (common)

First check

Verify cassette size recognition with 9.5" x 12" horizontal

Test point: Control handle display
Expected: Cassette size displayed within ±2 mm out of center
Tools: Control handle

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cassette size not recognized vertically

Control handle does not display correct cassette size when 9.5" x 9.5" cassette is inserted vertically; size recognition fails within ±4 mm positioning tolerance

Ranked causes

1. Cassette positioning outside tolerance range (common)

First check

Verify cassette size recognition with 9.5" x 9.5" vertical

Test point: Control handle display
Expected: Cassette size displayed within ±4 mm out of center
Tools: Control handle

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cassette size switch point misalignment

Vertical and horizontal switch points do not coincide at cassette insertion or removal

Ranked causes

1. Switches positioned incorrectly relative to cassette tray travel (common)

First check

Measure switch trigger position during cassette insertion

Test point: Cassette tray
Expected: Switch activation at 1.5-2.5 mm before final position, 1.5-2.5 mm

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cassette support plate replacement caution

Replace cassette support plate for use with 40 cm cassettes or when using bucky wallstand instead of table.

Ranked causes

1. Cassette support plate worn or requires upgrade for 40 cm cassettes (unknown)

First check

Remove cassette tray from wallstand

Test point: Cassette tray attachment
Expected: Tray detached from wallstand

6 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cassette support plate replacement needed caution

Cassette support plate requires replacement during service; procedure differs based on cassette size (40 cm or other) and installation type (wallstand vs table).

Ranked causes

1. Cassette support plate requires service replacement (unknown)

First check

Verify distance between horizontal encoder plate and sensor

Test point: Horizontal encoder plate to sensor gap
Expected: 1.0 mm ± 0.5 mm, ±0.5 mm
Tools: Leveling shims, measuring device

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

Cassette tray damaged or levers bent

Visual inspection of cassette tray reveals bent levers or visible damage during removal

Ranked causes

1. Mechanical damage to tray or levers (unknown)

First check

Visual inspection for bent levers or damage

Test point: Cassette tray levers
Expected: not bent

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Fixing block assembly for cassette loader

Fixing block requires assembly with clamping plate, clamping block and clamping screw before installation

Ranked causes

1. Fixing block installation required (common)

First check

Verify clamping plate inserted into fixing block

Test point: Fixing block and clamping plate assembly
Expected: Clamping plate fully seated in fixing block

4 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Horizontal encoder plate distance adjustment caution

Horizontal encoder plate spacing relative to sensor requires calibration to specification; adjustment made with leveling shims.

Ranked causes

1. Horizontal encoder plate distance out of tolerance (unknown)

First check

Measure distance between horizontal encoder plate and sensor

Test point: Horizontal encoder plate to sensor
Expected: 1.0 mm ± 0.5 mm, ±0.5 mm
Tools: Measuring device, leveling shims

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Horizontal encoder plate distance out of tolerance caution

Distance between horizontal encoder plate and sensor not within specification

Ranked causes

1. Encoder plate misaligned or sensor gap incorrect (unknown)

First check

Measure distance between horizontal encoder plate and sensor

Test point: horizontal encoder plate to sensor gap
Expected: 1.0 mm ± 0.5 mm, ±0.5 mm
Tools: Measurement gauge or feeler gauge

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Horizontal encoder plate misaligned caution

Distance between encoder plate and sensor is not within specification

Ranked causes

1. Encoder plate not at correct distance from sensor (unknown)

First check

Measure distance between horizontal encoder plate and sensor

Test point: horizontal encoder plate to sensor gap
Expected: 1.0 mm ± 0.5 mm, ±0.5 mm

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Lever movement stiff or sticky

Levers do not move freely or stick during operation

Ranked causes

1. Tight or stuck lever mechanism (unknown)

First check

Test lever movement by hand

Test point: Cassette tray levers
Expected: Shall move easily, shall not stick

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Loose screws or parts on tray caution

Visual inspection reveals loose or unfastened parts on cassette tray during removal

Ranked causes

1. Unfastened screws or components on tray (unknown)

First check

Visual inspection for loose fasteners

Test point: Cassette tray assembly
Expected: all parts fixed

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Torsion springs require replacement caution

Old torsion springs need to be replaced with new ones

Ranked causes

1. Torsion springs worn or fatigued (unknown)

First check

Verify correct position of torsion springs after installation

Test point: torsion springs
Expected: Springs correctly positioned

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Vertical encoder wheel position incorrect

9.5" cassette position line not visible at triangle center or bit pattern not matching template during cassette insertion

Ranked causes

1. Encoder wheel lever position out of adjustment (common)

First check

Insert 9.5" x 12" cassette in vertical direction and position template printed side down

Test point: Triangle center on template
Expected: 9.5" line visible at center of triangle

2 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Vertical short/long sensor replacement

Sensor needs replacement or repositioning; distance from encoder wheel must be precisely set

Ranked causes

1. Vertical sensor requires replacement or repositioning (occasional)

First check

Mark sensor position

Test point: Vertical short/long sensor location
Expected: Position marked using template tool code 4512 131 17831 or physically noted

2 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Community

0 fixes logged by technicians through their AI, with outcomes, for this model.

ServiceForge knowledge base record. Field-unverified unless technicians confirmed it. A teaching summary of the record, not a service manual. Export 2026-10-14.