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Birthing beds · Affinity family

Hill-Rom Affinity 3: troubleshooting and error codes

The ServiceForge knowledge base holds 56 documented symptoms for the Hill-Rom Affinity 3, with 110 ranked causes, 138 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

Battery back-up malfunction

Battery not providing power to bed or backup system not functioning properly

Ranked causes

  1. 1. Battery not properly charged (common)
  2. 2. Battery fuse open (common)
  3. 3. Loose connections on cable assemblies and electrical wires (common)
  4. 4. Battery charge circuit voltage out of range (occasional)
  5. 5. Transformer assembly failure (occasional)
  6. 6. Logic control P.C. board voltage out of range (occasional)
  7. 7. Battery back-up assembly batteries failed (occasional)
First check

Verify battery has been properly charged and is providing power to bed

Test point
Battery
Expected
Battery properly charged and providing power

6 more checks with pass and fail actions, 7 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Bed air surface malfunction patient safety

Bed air surface does not function properly; air inflate/deflate switches fail to operate

Ranked causes

  1. 1. Single switch PCB failure (common)
  2. 2. Multiple switches in one siderail fail (common)
  3. 3. Logic control PCB voltage failure (occasional)
  4. 4. Air system control PCB failure (occasional)
  5. 5. Air compressor failure (occasional)
  6. 6. Cable or connector failure between control boards (occasional)
First check

Activate all bed air surface switches in both siderails

Test point
All air function switches
Expected
All switches work or only one switch does not work

6 more checks with pass and fail actions, 7 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Head up malfunction patient safety

Head section does not raise when head up switch activated

Ranked causes

  1. 1. Incorrect power or lockout switch engaged (common)
  2. 2. CPR release handle actuated or sheet caught (occasional)
  3. 3. Faulty siderail switch (occasional)
  4. 4. Defective logic control P.C. board (common)
  5. 5. Faulty head motor or thermal overload (common)
First check

Verify bed power and lockout switch status

Test point
Power plug and lockout switch
Expected
Bed plugged in, lockout switch off

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

Foot down malfunction patient safety

Foot section does not lower when foot down switch activated

Ranked causes

  1. 1. Incorrect power or lockout switch engaged (common)
  2. 2. Faulty siderail switch (occasional)
  3. 3. Defective logic control P.C. board (common)
  4. 4. Faulty foot motor or thermal overload (common)
First check

Verify bed power and lockout switch status

Test point
Power plug and lockout switch
Expected
Bed plugged in, lockout switch off

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

Foot drive noisy, drifts, or has other motor problems caution

Foot motor runs but exhibits noise, position drift, or other operational anomalies

Ranked causes

  1. 1. Physical damage to drive system (occasional)
  2. 2. Loose or improperly installed clevis and cotter pins (common)
  3. 3. Foot motor damage under load (occasional)
  4. 4. Foot motor drift or loss of position hold (occasional)
First check

Raise and lower foot section; inspect for physical damage

Test point
Motor shaft, drive linkage, bed frame
Expected
Drive system passes inspection with no bent shaft or loose metal

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

Foot up malfunction patient safety

Foot section does not raise when foot up switch activated

Ranked causes

  1. 1. Incorrect power or lockout switch engaged (common)
  2. 2. Faulty siderail switch (occasional)
  3. 3. Defective logic control P.C. board (common)
  4. 4. Faulty foot motor or thermal overload (common)
First check

Verify bed power and lockout switch status

Test point
Power plug and lockout switch
Expected
Bed plugged in, lockout switch off

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

Head down malfunction patient safety

Head section does not lower when head down switch activated

Ranked causes

  1. 1. Incorrect power or lockout switch engaged (common)
  2. 2. Faulty siderail switch (occasional)
  3. 3. Defective logic control P.C. board (common)
  4. 4. Faulty head motor or thermal overload (common)
First check

Verify bed power and lockout switch status

Test point
Power plug and lockout switch
Expected
Bed plugged in, lockout switch off

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

Head drive noisy, drifts, or has other motor problems caution

Head motor runs but exhibits noise, position drift, or other operational anomalies

Ranked causes

  1. 1. Physical damage to drive system (occasional)
  2. 2. Loose or improperly installed clevis and cotter pins (common)
  3. 3. Head motor damage under load (occasional)
  4. 4. Head motor drift or loss of position hold (occasional)
First check

Raise and lower head section; inspect for physical damage

Test point
Motor shaft, drive linkage, bed frame
Expected
Drive system passes inspection with no bent shaft or loose metal

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

Hilow down malfunction patient safety

Bed does not lower when hilow down switch activated

Ranked causes

  1. 1. Incorrect power or lockout switch engaged (common)
  2. 2. Faulty siderail switch (occasional)
  3. 3. Defective logic control P.C. board (common)
  4. 4. Faulty hilow motor or thermal overload (common)
First check

Verify bed power and lockout switch status

Test point
Power plug and lockout switch
Expected
Bed plugged in, lockout switch off

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

Hilow motor runs but noise or drift suspected caution

Hilow motor operates but exhibits excessive noise, drifting, coasting, or other mechanical issues

Ranked causes

  1. 1. Physical damage to drive system (bent motor shaft, loose metal) (common)
  2. 2. Improperly installed clevis pins or cotter pins (occasional)
  3. 3. Motor wear or internal damage under load (occasional)
  4. 4. Motor retention failure (drift or coast) (occasional)
First check

Raise and lower bed; inspect drive system for physical damage

Test point
Motor shaft, drive linkage, fasteners
Expected
No bent shaft, loose metal, or damage visible

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

Hilow up malfunction patient safety

Hilow motor fails to raise bed when hilow up switch activated on one or both siderails

Ranked causes

  1. 1. Bed not plugged in or lockout switch on (common)
  2. 2. Faulty hilow up switch on siderail (control board issue) (common)
  3. 3. Faulty logic control P.C. board (no relay click heard) (occasional)
  4. 4. Hilow motor failure (thermal or mechanical) (occasional)
First check

Verify bed is plugged in and lockout switch is off

Test point
Power supply, lockout switch
Expected
Bed plugged in; lockout switch in OFF position

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

Night light does not illuminate

Night light does not turn on when ambient light dims

Ranked causes

  1. 1. Lamp bulb or fixture damaged (common)
  2. 2. Photocell failure (common)
  3. 3. Night light cable disconnected (occasional)
  4. 4. Logic control PCB failure (rare)
First check

Verify night light turns on when ambient light dims

Test point
Night light assembly
Expected
Night light comes on when ambient light dims

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

Brake caster malfunction patient safety

Brake caster pedal does not lock in brake position or casters do not lock when brake pedal pressed

Ranked causes

  1. 1. Caster excessive wear or damage (common)
  2. 2. Caster assembly misalignment (occasional)
  3. 3. Brake mechanism interference (rare)
First check

Press brake caster pedal with foot

Test point
Brake caster pedal
Expected
Pedal locks in brake position

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

CPR release malfunction patient safety

Head section does not go into full flat position when CPR release handle is pulled and held

Ranked causes

  1. 1. CPR function adjustment out of specification (common)
  2. 2. Head drive motor assembly damaged or missing parts (common)
  3. 3. Another part of bed interferes with CPR release mechanism (occasional)
First check

Pull and hold CPR release handle

Test point
CPR release handle and head section
Expected
Head section goes into full flat position

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

Siderail mechanism does not hold patient safety

Siderail fails to lock in raised position or does not stow properly

Ranked causes

  1. 1. Siderail obstructions, missing hardware, or loose fasteners (common)
  2. 2. Binding in siderail center arm (occasional)
  3. 3. Interference with bed structure (rare)
First check

Raise siderail from low (stow) position by pulling until it clicks

Test point
Siderail locking mechanism
Expected
Siderail rises and clicks into place

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

Bed does not lower with hilow down control

Hilow down switch activated but bed remains at current height or lowers insufficiently

Ranked causes

  1. 1. Hilow motor excessive noise or mechanical binding (common)
  2. 2. Hilow limit switch (LBD) out of adjustment (occasional)
First check

Listen for motor noise and mechanical binding during hilow motion

Test point
Hilow actuator
Expected
Motor free of excessive noise and mechanical binding

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

Bed does not rise with hilow up control

Hilow up switch activated but bed remains at current height or rises insufficiently

Ranked causes

  1. 1. Hilow motor excessive noise or mechanical binding (common)
  2. 2. Hilow limit switch (LBU) out of adjustment (occasional)
First check

Listen for motor noise and mechanical binding during hilow motion

Test point
Hilow actuator
Expected
Motor free of excessive noise and mechanical binding

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

Foot down malfunction continued patient safety

Foot motor does not run after cooldown; troubleshoot voltage at connector P6

Ranked causes

  1. 1. Defective logic control P.C. board (common)
  2. 2. Faulty foot motor (common)
First check

Measure voltage at logic control P.C. board connector P6

Test point
P6 pin 1 (black wire) to pin 2 (blue wire)
Expected
Between 25V DC and 30V DC when foot down switch pressed, +/-2.5 V

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

Head motor noise or mechanical binding caution

Excessive noise, grinding, or mechanical binding detected during head motor operation

Ranked causes

  1. 1. Bent motor shaft or physical damage to drive system (common)
  2. 2. Loose or improperly installed clevis pins (occasional)
First check

Raise and lower bed; look for physical damage to drive system

Test point
Motor shaft, drive linkage
Expected
No bent shaft or loose parts visible

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

Hilow up malfunction when foot section lowered patient safety

Hilow function fails to automatically raise bed from low position when foot section is lowered to lowest point

Ranked causes

  1. 1. Hilow limit switch malfunction (common)
  2. 2. Foot limit switch malfunction (common)
First check

Test hilow function from siderails and pendant control

Test point
Hilow control switches
Expected
Hilow function works properly

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

Siderail controls do not operate bed functions

Pressing siderail control buttons produces no response from bed mechanisms

Ranked causes

  1. 1. Siderail cable disconnected from logic control board (common)
  2. 2. Loose cable connections or wiring (common)
First check

Inspect siderail cable connection to logic control P.C. board

Test point
Siderail cable connector on logic control board
Expected
Cable fully seated and locked

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

Battery assembly replacement caution

Removal and replacement of battery cells and battery fuse from electronics plate weldment

Ranked causes

  1. 1. Batteries require replacement (common)
First check

Remove screw securing battery holder bracket to electronics plate

Test point
Screw E on bracket F
Expected
Screw removed

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

Battery backup does not operate patient safety

Battery backup fails to provide power to bed functions when bed unplugged from power source

Ranked causes

  1. 1. Battery backup system malfunction or depleted battery (common)
First check

Unplug bed from power source and activate bed functions

Test point
Battery backup
Expected
Battery provides sufficient power to operate functions

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

Bed coasts or drifts downward when raised and released patient safety

Sleep surface does not maintain position after hilow up is released; gradually lowers

Ranked causes

  1. 1. Hilow motor or brake malfunction (common)
First check

Raise bed to mid-height and release hilow up control; observe for downward drift

Test point
Sleep surface
Expected
Surface remains stationary without downward motion

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

Bed does not auto-rise from low position patient safety

Bed fails to automatically rise after being lowered to low position with foot down switch

Ranked causes

  1. 1. Hilow drive or foot drive malfunction (common)
First check

Lower bed to low position with hilow down switch; lower foot with foot down switch

Test point
Bed auto-rise function
Expected
Bed automatically rises from low position

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

Brake and steer functions fail patient safety

Brake and steer pedal functions malfunction; brake/steer position changes do not produce expected response

Ranked causes

  1. 1. Brake and steer control misadjustment (common)
First check

Place brake steer pedal into brake position then steer position

Test point
Brake and steer pedal
Expected
Brake and steer functions operate properly

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

Calibration: Battery charge circuit high voltage

Adjustment of battery charge circuit voltage on beds with 65345 logic control P.C. board and 67208 interface P.C. board for optimal battery function

Ranked causes

  1. 1. Battery charge circuit requires voltage adjustment (common)
First check

Unplug bed from power source

Expected
Bed unplugged

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

Calibration: Brake and steer caster adjustment

Set neutral position and adjust setscrew (D) until light ratcheting heard, then back off until ratcheting stops. Verify brake holds in brake position and caster locks parallel in steer position.

Ranked causes

  1. 1. Caster adjustment required after service or normal wear (common)
First check

Set brake/steer pedal to neutral position

Test point
brake/steer pedal
Expected
neutral

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

Calibration: Brake caster adjustment

Set brake/steer pedal to brake position and adjust brake caster setscrew until tire does not roll when braked. Check for wax buildup on tire and clean if needed.

Ranked causes

  1. 1. Brake caster requires adjustment after service or normal wear (common)
First check

Set brake/steer pedal to brake position

Test point
brake/steer pedal
Expected
brake position engaged

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

Calibration: Hilow limit switch maximum height

Verify and adjust the hilow limit switch to ensure correct maximum raised position of the bed at 31" ± ½" from floor to top center of main frame at head end.

Ranked causes

  1. 1. Hilow limit switch out of adjustment (common)
First check

Measure distance from top center point of main frame at head end to floor

Test point
Top center point of main frame at head end
Expected
31" ± ½" (787.4 ± 12.7 mm) in, ±0.5 in
Tools
Tape measure

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

CPR release function fails patient safety

Head section does not lower to flat position when CPR release lever activated; lower time exceeds 7 seconds

Ranked causes

  1. 1. CPR release cables misadjusted (common)
First check

Raise head section to high position with 50 lb weight load; activate CPR release lever

Test point
Head section descent time
Expected
Head lowers to flat position within 7 seconds

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

Foot motor noise or mechanical issues caution

Foot motor operates noisily or with mechanical binding/grinding

Ranked causes

  1. 1. Foot motor mechanical defect or damage (common)
First check

Activate foot up or down switch and listen for excessive noise or binding

Test point
Foot motor operation
Expected
Quiet operation without grinding or binding

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

Foot section does not lower patient safety

Foot section fails to move downward when foot down switch activated

Ranked causes

  1. 1. Foot motor malfunction (common)
First check

Press foot down switch and observe foot section movement

Test point
Foot section
Expected
Foot section lowers

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

Foot section does not rise patient safety

Foot section fails to move upward when foot up switch activated

Ranked causes

  1. 1. Foot motor malfunction (common)
First check

Press foot up switch and observe foot section movement

Test point
Foot section
Expected
Foot section rises

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

Foot section height incorrect at limit caution

Foot section does not stop at correct limit; top of foot section not 2.5 inches above seat section

Ranked causes

  1. 1. Foot limit switch misadjusted (common)
First check

Raise foot section to high position using foot up switch

Test point
Foot section position relative to seat section
Expected
Top of foot section 2.5 inches above seat section, approximately

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

Foot section lower limit incorrect caution

Foot drive does not stop at correct position; foot lift arm not at specified distance from hilow lift arm

Ranked causes

  1. 1. Foot limit switch misadjusted (common)
First check

Lower foot section to low position with foot down switch; measure arm clearance

Test point
Foot lift arm to hilow lift arm spacing
Expected
1/4 inch clearance inches, approximately

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

Head section does not lower patient safety

Head section fails to move downward when head down switch is activated

Ranked causes

  1. 1. Head motor malfunction (common)
First check

Activate head down switch

Test point
Head motor
Expected
Head section lowers smoothly

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

Head section does not rise patient safety

Head section fails to move upward when head up switch is activated

Ranked causes

  1. 1. Head motor malfunction or excessive noise/mechanical binding (common)
First check

Activate head up switch and listen for motor operation

Test point
Head motor
Expected
Head section rises smoothly

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

Head section drifts or coasts downward patient safety

Head section does not maintain position when raised; slowly descends without operator input

Ranked causes

  1. 1. Head motor retention failure or brake malfunction (common)
First check

Raise head section to high position; observe for drift or coast

Test point
Head section position
Expected
Head section stops and holds position without drifting

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

Labor grips do not latch or release patient safety

Labor grips fail to latch in full up position or fail to release when release handle activated

Ranked causes

  1. 1. Faulty labor grip assembly (common)
First check

Operate labor grips on both sides; raise to full up position and activate release handle

Test point
Labor grips
Expected
Grips latch in full up position and release when handle activated

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

Lockout switch does not function caution

Lockout switch fails to lock/unlock inboard/outboard controls when toggled between OFF and ON positions

Ranked causes

  1. 1. Faulty rocker switch (common)
First check

Toggle lockout switch between OFF and ON positions

Test point
Lockout switch
Expected
Functions lock when OFF; unlock when ON

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

Lumbar section does not deflate patient safety

Back/lumbar section fails to deflate when back deflate button pressed

Ranked causes

  1. 1. Air system malfunction or deflate valve failure (common)
First check

Press back deflate button and activate bed air surface

Test point
Lumbar section
Expected
Lumbar section deflates

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

Lumbar section does not inflate patient safety

Back/lumbar section fails to inflate when back inflate button pressed

Ranked causes

  1. 1. Air system malfunction or valve failure (common)
First check

Press back inflate button and activate bed air surface

Test point
Lumbar section
Expected
Lumbar section inflates

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

Radio, TV, nurse call, or lighting control malfunction caution

Radio, TV, nurse call, and/or lighting functions fail to operate in one or both siderails

Ranked causes

  1. 1. Faulty P.C. switch board in caregiver or patient controls (common)
First check

Operate all radio, TV, nurse call, and lighting functions in both siderails

Test point
Control functions
Expected
All functions operate properly

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

Replacement: Battery Assembly high voltage

Battery pack removal and replacement; includes battery cable assembly disconnection from logic control P.C. board P5 and connection points on batteries

Ranked causes

  1. 1. Battery failure or maintenance (unknown)

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

Replacement: Foot Section (Lift Off) patient safety

Foot section removal via lifting method; foot mattress side panels pivoted up; section lifted and stood on pull handle base or perineal stand

Ranked causes

  1. 1. Scheduled maintenance or component failure (unknown)

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

Replacement: Foot Section (Slide Off) patient safety

Foot section removal via sliding method; release latch mechanisms from channel slides; foot section slides horizontally out from bed

Ranked causes

  1. 1. Scheduled maintenance or component failure (unknown)

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

Replacement: Head Section Mattress Assembly caution

Mattress assembly removal and replacement on head section; disconnect air hoses if present; unfasten retaining snaps

Ranked causes

  1. 1. Scheduled maintenance or component failure (unknown)

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

Replacement: Labor Grips

Labor grip handle removal and installation; includes snap ring and plug management; lubrication of sliding surfaces

Ranked causes

  1. 1. Scheduled maintenance or component failure (unknown)

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

Replacement: Line Voltage Fuses high voltage

High voltage circuit protection; two line voltage fuses in fuse holder at head end; third fuse on air system control P.C. board; fuse housing voltage rating-dependent

Ranked causes

  1. 1. Fuse failure or blown fuse (unknown)

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

Replacement: Night Light and Cable Assembly

Night light assembly needs removal and reinstallation; disconnection from logic control P.C. board P1, removal of two securing screws from bottom cover

Ranked causes

  1. 1. Scheduled maintenance or component failure (unknown)

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

Seat mattress does not deflate patient safety

Seat section mattress fails to deflate when seat deflate button pressed

Ranked causes

  1. 1. Air system malfunction or deflate valve failure (common)
First check

Press and hold seat deflate button and activate bed air surface

Test point
Seat section mattress
Expected
Mattress deflates

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

Seat mattress does not inflate patient safety

Seat section mattress fails to inflate when seat inflate button pressed

Ranked causes

  1. 1. Air system malfunction or valve failure (common)
First check

Press seat inflate button and activate bed air surface

Test point
Seat section mattress
Expected
Mattress inflates

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

Siderail latch or release malfunction patient safety

Siderail fails to latch in raised position or does not lower slowly when release handle activated

Ranked causes

  1. 1. Faulty siderail assembly (common)
First check

Raise and lower siderail; observe latch and release behavior

Test point
Siderail latch mechanism
Expected
Siderail latches in full up position and lowers slowly with release

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

Trend-Like position does not engage or release smoothly patient safety

Trend-Like position handle does not move smoothly into or out of position; sleep surface is not secure when handle is released

Ranked causes

  1. 1. Trend-Like position sensing switch out of adjustment (occasional)
First check

Operate Trend-Like position release handle at head end; move bed in and out of position

Test point
Trend-Like position mechanism
Expected
Smooth operation entering and exiting position; sleep surface secure when handle released

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

Trendelenburg position malfunction patient safety

Unable to place bed in Trendelenburg (Trend-Like) position or position sensing switch not functioning

Ranked causes

  1. 1. Trendelenburg position release handles misadjusted or non-functional (common)
First check

Raise bed to higher position with hilow up switch; press Trend-Like position release handle

Test point
Trendelenburg mechanism
Expected
Head end is 8 degrees below foot end

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.