Patient gait training systems

Lite Gate 360E: troubleshooting and error codes

The ServiceForge knowledge base holds 26 documented symptoms for the Lite Gate 360E, with 40 ranked causes, 62 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

Handle bars unstable or shift during use patient safety

Handle bars move vertically or rotate after adjustment knobs are tightened; poor grip stability for patient balance aid

Ranked causes

1. Adjustment knobs not tightened sufficiently or equally (common)
2. Handle bar insert pin not fully secured in quick-release mechanism (occasional)
3. Excess loading or patient lifting weight on handle bars (occasional)

First check

Verify equal tightness of both handle bar mounting knobs

Test point: Adjustment knobs on handle bar bracket
Expected: Both knobs hand-tightened with equal rotational pressure; no gap between bracket and frame

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

Harness improperly fitted on patient patient safety

Harness positioned incorrectly on torso, not providing adequate support or comfort

Ranked causes

1. Side straps not tightened evenly or symmetrically (common)
2. Harness positioned too low on torso (common)
3. Top buckles tightened over rib cage (occasional)

First check

Verify harness position on torso

Test point: Harness vertical position on back and front
Expected: Not lower than halfway down buttocks in back or below pubic bone in front

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

BiSym Scale does not power on or charge

BiSym Scale display is blank or unresponsive, or battery depleted during use

Ranked causes

1. BiSym battery depleted (common)
2. Auto shut-off enabled and timeout reached (occasional)

First check

Attempt to power on BiSym Scale

Test point: BiSym Scale power button
Expected: Display activates and shows reading mode

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

BiSym Scale will not power on

BiSym display screen remains dark or blank; no response to button presses

Ranked causes

1. BiSym battery depleted or not charged (common)
2. Load cell wires not properly connected to BiSym Scale (occasional)

First check

Verify BiSym battery charge status before power-on test

Test point: BiSym battery cable connection and battery indicator (if visible)
Expected: Battery fully charged from 6-8 hour charging cycle; no visible damage to battery case or cable

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

Caster lock lever stuck or difficult to engage caution

Total locking or directional locking caster tabs cannot be pressed or do not snap into locked position

Ranked causes

1. Caster brake mechanism stuck or misaligned (occasional)
2. Directional lock casters not engaged (occasional)

First check

Identify caster type by sticker color on locking lever

Test point: Caster locking levers on all four casters
Expected: Red sticker on left leg casters (total lock); green sticker on right leg casters (directional lock)

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

Casters lock improperly or do not prevent rolling patient safety

Unit rolls or shifts position despite brake lever engaged; or brake lever will not snap into locked position

Ranked causes

1. Unit placed on sloped, slippery, or uneven floor (occasional)
2. Brake tab not fully engaged or lever misaligned (common)

First check

Inspect floor surface for slope, ice, or wet conditions

Test point: Patient therapy area flooring
Expected: Level, dry, non-slippery surface with no ramps or stairs

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

Harness lacks symmetry when applied patient safety

Harness buckles or positioning not aligned evenly side-to-side; asymmetrical appearance or support

Ranked causes

1. Side straps not adjusted symmetrically before application (common)
2. Leg strap bifurcation point not at hip joint axis of rotation (occasional)

First check

Check top buckle alignment with folded harness

Test point: Top buckles on folded harness
Expected: Buckles line up and are adjacent to each other

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

Harness positioning incorrect on patient patient safety

Harness rides up torso or sits below appropriate landmarks; groin area uncomfortable or has excessive slack

Ranked causes

1. Groin piece straps have slack (common)
2. Side straps not adjusted evenly or to correct tightness (common)

First check

Inspect groin piece for slack

Test point: Groin piece straps front and back
Expected: NO slack in straps, padding equal front and back

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

Harness size selection incorrect for patient patient safety

Harness too loose or too tight; does not fit patient girth or anterior-posterior diameter appropriately

Ranked causes

1. Harness girth size not matched to patient measurement (common)
2. Groin piece size not matched to patient anterior-posterior diameter (common)

First check

Perform half girth test

Test point: Folded harness estimate against patient torso
Expected: Folded harness width matches patient girth

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

Leg strap application incorrect patient safety

Leg straps not properly positioned or tightened, affecting support and symmetry

Ranked causes

1. Leg straps not positioned at hip joint axis of rotation (common)
2. Leg straps have slack or not fully tightened (common)

First check

Position thigh cuff correctly on leg

Test point: Thigh cuff vertical position on leg
Expected: Cuff below bulk of thigh and above knee, perpendicular to ground

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

Leg straps not properly anchored or securing harness patient safety

Leg straps loose or slack; harness does not transfer support properly to thighs; inadequate anchor

Ranked causes

1. Leg straps not tightened completely or slack remains (common)
2. Leg strap placement not perpendicular to ground or not on lateral surface (occasional)

First check

Verify leg strap positioning perpendicular to ground

Test point: All three leg straps
Expected: All straps perpendicular to ground, center strap on lateral leg surface

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

Overhead straps not providing adequate postural support patient safety

Patient posture not upright; overhead support insufficient; straps have slack or improper tension

Ranked causes

1. Overhead straps have slack or are not adjusted to correct length (common)
2. Yoke height not adjusted correctly (occasional)

First check

Verify overhead straps reach harness buckles

Test point: Overhead straps extended length
Expected: Straps long enough to reach metal buckles on harness

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

Battery charge depleted during use

Device automatically turns off or low battery indicator (plug icon) appears during operation; RED LED on charger indicates charging in progress

Ranked causes

1. Battery not charged on weekly schedule (common)

First check

Inspect Battery Charge Indicator display for charge level

Test point: Control unit display
Expected: 4 solid black bars indicate full charge; plug icon at 50% bar indicates charge to 25%; STOP and Plug icon indicates 0% charge

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

Battery depleted during operation patient safety

Device stops functioning, yoke cannot be lowered using normal down buttons

Ranked causes

1. Battery charge insufficient (common)

First check

Monitor battery charge indicator display

Test point: Battery Charge Indicator on control unit
Expected: 4 solid black bars for full charge; plug icon appears at 25% capacity; STOP and plug icon at 0%

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

BiSym Scale auto shut-off disabled or battery draining rapidly

BiSym remains powered on indefinitely after use, draining battery; or auto shut-off time not functioning as set

Ranked causes

1. Auto shut-off setting set to 0 (disabled) (occasional)

First check

Enter BiSym settings mode to verify auto shut-off configuration

Test point: BiSym display during CHANGE SETTING? mode
Expected: Display cycles through Weight Unit, Auto Shut-Off, and User/Patient Weight screens in sequence

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

BiSym Scale display shows incorrect weight percentage

Bar graph or numerical reading does not match actual patient weight or support load; percentage value unrealistic relative to patient mass

Ranked causes

1. User/Patient weight setting not adjusted to actual patient weight (common)

First check

Verify patient weight is correctly entered in BiSym settings

Test point: User/Patient Weight Setting screen during CHANGE SETTING? mode
Expected: Weight value matches patient actual weight within nearest 10 pound increment (e.g., 150 lb patient set to 150 lb)

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

BiSym zero calibration not set

Monitor does not display zero pound or kilogram readout on weight screens after calibration procedure

Ranked causes

1. Zero calibration procedure not completed correctly (common)

First check

Verify harness attached to overhead straps before starting calibration

Test point: Overhead strap connections
Expected: Harness connected, no slack

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

FlexAble yoke does not maintain rigid or flexible position patient safety

Yoke shifts from set position during patient movement; star knob loosens during use or will not hold deflection angle

Ranked causes

1. Star knob not tightened sufficiently for rigid support or over-loosened for flexible support (common)

First check

Verify FlexAble star knob tightness matches desired support mode

Test point: Star knob on bottom of FlexAble assembly
Expected: For rigid: knob fully tightened with no play; for flexible: knob loosened to allow 5 inches travel with moderate resistance

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

Flexible yoke support not working

FlexAble yoke remains rigid or does not provide expected deflection when star knob is loosened

Ranked causes

1. Star knob not loosened enough (common)

First check

Loosen star knob on bottom of FlexAble

Test point: Star knob under FlexAble assembly
Expected: Knob turns freely with hand pressure; yoke becomes flexible with increasing knob looseness

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

Handle bar adjustment difficult or stuck caution

Hand knobs cannot be loosened or tightened easily, handle bars do not slide smoothly to desired height

Ranked causes

1. Knobs overtightened or corroded (occasional)

First check

Loosen adjustment knobs on both sides

Test point: Handle bar adjustment knobs
Expected: Knobs loosen with approximately one turn
Tools: Hand only (no tools required)

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

Handle bar pin will not insert or remove caution

Quick release handle bar pin stuck, cannot be pressed to eject or insert into slot

Ranked causes

1. Quick release pin button stuck or pin misaligned (occasional)

First check

Press quick release pin button and pull handle bar outward

Test point: Quick release button on handle bar pin
Expected: Pin ejects smoothly; handle bar insert pulls free from slot
Tools: Hand only

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

Harness rides up during weight support patient safety

Harness moves up patient's torso when overhead support is applied, causing discomfort in groin region

Ranked causes

1. Groin piece has slack in straps (common)

First check

Check for slack in groin piece straps

Test point: Groin strap attachment points and strap tension
Expected: NO slack in straps, snug fit against body

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

Patient harness positioning incorrect in supine position patient safety

Harness asymmetrical, slack, or improperly placed when patient in supine; inadequate support distribution

Ranked causes

1. Improper harness application sequence in supine (common)

First check

Check harness symmetry in supine position

Test point: Back buckle position and side-to-side spacing
Expected: Harness equally spaced from side to side, back buckles symmetrical

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

Patient sits while leg straps connected caution

Hip axis of location displaced away from and out of leg straps due to patient sitting in harness

Ranked causes

1. Patient position changed to sitting while wearing leg straps (unknown)

First check

Verify hip axis position after patient sits

Test point: Leg straps and hip position
Expected: Hip axis at hip joint axis of rotation, straps properly positioned

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

Yoke does not raise or lower smoothly patient safety

Yoke raises or lowers slowly, jerks, or stops when hand switch button is pressed

Ranked causes

1. Low battery voltage (common)

First check

Check battery charge indicator

Test point: Battery Charge Indicator on control unit
Expected: At least 50% charge (minimum 2 solid bars); no plug or STOP icon visible

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

Yoke will not lower during normal operation patient safety

Down arrow buttons on hand switch do not lower yoke; operator can still raise yoke

Ranked causes

1. Battery depleted or low voltage during operation (common)

First check

Verify battery charge level before attempting lower operation

Test point: Control unit Battery Charge Indicator display
Expected: At least one solid bar showing; plug icon indicates minimum usable charge

1 more check with pass and fail actions, 2 corrective actions, 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.