Patient lifts · Sara Plus family

Arjo Sara Plus: troubleshooting and error codes

The ServiceForge knowledge base holds 39 documented symptoms for the Arjo Sara Plus, with 47 ranked causes, 45 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 not adequately charged

Battery display shows yellow or red range; insufficient charge for operation.

Ranked causes

1. Battery depleted below operational threshold (common)
2. Battery display in yellow range (common)

First check

Check battery charge level on display before use

Test point: Battery display indicator
Expected: Green or adequate charge range, not yellow or red

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

Calibration: Steel Stopper Bar (SSB) distance adjustment

Adjust SSB composition and distance to specification by removing or unscrewing adjustment caps based on measured distance

Ranked causes

1. SSB composition B: distance 480–485 mm (unknown)
2. SSB composition C: distance 460–480 mm (unknown)

First check

Measure SSB distance

Test point: SSB composition
Expected: 480–485 mm (18.912–19.109 inch) or 460–480 mm (18.124–18.912 inch), 480–485 or 460–480
Tools: Measuring device

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

Calibration: Steel Stopper Bar distance adjustment

Steel Stopper Bar (SSB) distance out of specification; requires adjustment of caps and screws based on measured distance

Ranked causes

1. SSB distance between 480 mm and 485 mm (unknown)
2. SSB distance between 460 mm and 480 mm (unknown)

First check

Measure Steel Stopper Bar distance

Test point: SSB composition B
Expected: > 480mm and < 485mm, 480–485 mm

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

Castor mounting pin loose or castor tread damaged patient safety

Castor mounting pin not tight on chassis or castor tread shows damage

Ranked causes

1. Loose castor mounting pin (occasional)
2. Damaged castor tread (occasional)

First check

Check castor mounting pin tightness

Test point: castor mounting pin on chassis
Expected: Pin tight on chassis and chassis legs

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

Castors do not rotate freely or rear brakes do not lock patient safety

Castors are stiff, do not roll freely, or rear brakes fail to lock position.

Ranked causes

1. Dirt, debris, or wear in castor bearing (common)
2. Rear brake mechanism failure or wear (occasional)

First check

Manually push lift forward and observe castor rotation

Test point: All four castors
Expected: All castors rotate freely with minimal resistance

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

Lift does not operate through full range patient safety

Dual control panel or cable remote control handset cannot raise or lower lift through complete motion range smoothly.

Ranked causes

1. Control panel or handset malfunction or cable damage (unknown)
2. Battery low or not fully charged (common)

First check

Verify lift operates smoothly from dual control panel through full range

Test point: Control panel buttons (raise/lower)
Expected: Full smooth motion from lowest to highest position

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

Rear castor mounting thread damaged or loose caution

Rear castors fitted to the machine become loose and cause damage to the thread in the chassis, making the chassis unserviceable.

Ranked causes

1. Machine pushed over large thresholds (steps) (common)
2. Shock loads during transport to different locations (occasional)

First check

Visually examine castor and chassis underside for damage

Test point: Rear castor mounting points on chassis
Expected: No visible damage, threads intact

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

Steel Stopper Bar (SSB) installation and alignment caution

Installing SSB on Sara Plus patient lift requires proper positioning of set screws and actuator centralisation stop unit to ensure frame stability and correct leg angle.

Ranked causes

1. Set screws not properly aligned or tightened during SSB installation (common)
2. Actuator centralisation stop unit bolts loose or misaligned (occasional)

First check

Verify actuator centralisation stop unit screw torque

Test point: 2x Soc Cap Head screws JX68400.0
Expected: Tight, no rotation with socket wrench

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

Arc-Rest handgrips insecure patient safety

Handgrips on Arc-Rest (Supportive armrests with handgrips) not secure or loose

Ranked causes

1. Loose Arc-Rest handgrip fasteners (occasional)

First check

Check Arc-Rest handgrip security

Test point: Arc-Rest handgrips and fasteners
Expected: Handgrips firmly secured

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

Arc-Rest handgrips not secure patient safety

Handgrips on Arc-Rest (Supportive armrests with handgrips) are loose, wobbly, or not fully tightened.

Ranked causes

1. Vibration loosening handgrip fasteners during use (common)

First check

Test Arc-Rest handgrips for security and movement

Test point: All handgrips on Arc-Rest
Expected: Handgrips firm and secure; no wobbling or movement when hand pressure applied

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

Battery charger connector loose, wires cut, or casing damaged high voltage

Visual inspection reveals loose connectors, cut or exposed wires, or damage to battery charger housing.

Ranked causes

1. Impact damage, wear, or environmental exposure to charger (occasional)

First check

Visually inspect battery charger for damage

Test point: Charger connectors, wires, and casing
Expected: No loose connectors, cut wires, or casing damage visible; all connections secure

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

Battery charger damaged or defective

Visual examination reveals loose connectors, cut wires, or damage to the casing

Ranked causes

1. Loose connectors, cut wires, or casing damage (unknown)

First check

Visually examine battery charger for loose connectors, cut wires, and casing damage

Test point: connectors, wiring, casing
Expected: No loose connectors, cut wires, or damage

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

Battery in critical low state (red flashing)

Battery display shows red flashing light indicating critical discharge; audible warning may sound.

Ranked causes

1. Battery critically depleted during operation (occasional)

First check

Monitor battery display during operation for red flashing light

Test point: Battery display indicator
Expected: No red flashing light present

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

Battery insufficiently charged for use

Battery display shows low charge state; audible warning device sounds when battery discharge indicator reaches red light range

Ranked causes

1. Battery at low charge state (yellow or red display) (common)

First check

Check battery charge state display

Test point: battery display indicator
Expected: Green; not in yellow or red range

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

Battery not adequately charged for weekly service

Battery charge state insufficient at start of weekly maintenance

Ranked causes

1. Battery not recharged weekly (occasional)

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

Calibration: Steel Stopper Bar (SSB) composition C distance adjustment

SSB distance measurement is between 460mm and 480mm; adjustment caps must be removed

Ranked causes

1. SSB composition C distance range requires cap removal (common)

First check

Measure distance between SSB components

Test point: Steel Stopper Bar
Expected: > 460mm (18.124 inch) and < 480mm (18.912 inch), +10/-10 mm

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

Calibration: Steel Stopper Bar caps removal

Adjustment caps require removal when SSB distance is below 480 mm specification

Ranked causes

1. SSB distance below 480 mm specification (unknown)

First check

Verify Steel Stopper Bar distance specification

Test point: SSB composition C
Expected: > 460mm and < 480mm, 460–480 mm

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

Castor wear or degradation caution

Castors deteriorate due to age or use, requiring replacement.

Ranked causes

1. Normal wear and tear on castors (common)

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

Chassis legs do not open and close smoothly

Chassis legs lack full travel or movement is not smooth

Ranked causes

1. Mechanical friction or binding in leg mechanism (occasional)

First check

Operate chassis legs through full open and close cycle

Test point: chassis leg hinges and guides
Expected: Full travel with smooth movement in both directions

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

Cord cleats M4 socket set screws loose patient safety

M4 socket set screws retaining cord cleats in the Arc-Rest are not fully tightened or show looseness.

Ranked causes

1. Vibration loosening M4 fasteners during equipment use (common)

First check

Inspect M4 socket set screws retaining cord cleats in Arc-Rest

Test point: Both M4 socket set screws in cord cleats
Expected: Screws fully tightened; no movement or play in cord cleats when hand pressure applied

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

Cord cleats socket set screws loose caution

M4 socket set screws retaining cord cleats in Arc-Rest not tight

Ranked causes

1. Loose M4 socket set screws (occasional)

First check

Check M4 socket set screw tightness at cord cleats

Test point: 2 M4 socket set screws in Arc-Rest cord cleats
Expected: Both screws tight

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

Cracks or sharp edges on exposed parts patient safety

Visible cracks or sharp edges on parts with patient or user contact could cause injury or become unhygienic

Ranked causes

1. Material degradation or damage to exposed parts (occasional)

First check

Visually inspect all exposed parts for cracks and sharp edges

Test point: all exposed surfaces, especially patient contact areas
Expected: No cracks or sharp edges present

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

Cracks or sharp edges on exposed parts in contact with patient patient safety

Cracks, sharp edges, or corrosion found on exposed surfaces that contact patient skin; hygiene or injury risk.

Ranked causes

1. Material fatigue, impact, or corrosion from repeated use or decontamination (occasional)

First check

Visually inspect all exposed surfaces for cracks, sharp edges, or corrosion

Test point: All exterior surfaces in patient contact area
Expected: No cracks, sharp edges, or corrosion visible; smooth finish

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

External fittings loose or fasteners not tight patient safety

Screws, nuts, bolts, or other external fittings are loose or not securely fastened.

Ranked causes

1. Vibration loosening fasteners during normal operation (common)

First check

Inspect all external fittings and fasteners for tightness

Test point: All visible screws, nuts, and bolts on equipment exterior
Expected: All fasteners tight; no visible movement or play when hand pressure applied

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

External fittings or fasteners loose caution

External fittings not secure or screws and nuts not tight

Ranked causes

1. Loose fasteners or fittings (occasional)

First check

Inspect all external fittings and fasteners

Test point: all external fittings, screws, and nuts
Expected: All fittings secure and fasteners tight

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

Front clevis pin socket set screw loose or incorrectly torqued patient safety

Socket set screw retaining front clevis pin in upper lift arm is not tightened to specification (6.4 Nm / 56 lb in).

Ranked causes

1. Fastener loosened from vibration or incorrect torque applied during assembly (occasional)

First check

Verify front clevis pin socket set screw torque

Test point: Socket set screw on upper lift arm retaining front clevis pin
Expected: 6.4 Nm (56 lb in) torque; fastener snug and secure, per specification
Tools: Torque wrench

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

Front clevis pin socket set screw loose or undertorqued caution

Front clevis pin retaining socket set screw not tightened to specification

Ranked causes

1. Socket set screw not torqued to specification (occasional)

First check

Verify front clevis pin socket set screw torque

Test point: socket set screw in upper lift arm retaining front clevis pin
Expected: 6.4 Nm (56 lb in), as specified
Tools: torque wrench

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

Handset or cable damaged

Remote handset or its cable shows damage or deterioration

Ranked causes

1. Handset or cable physical damage (occasional)

First check

Inspect remote handset and cable condition

Test point: handset body and entire cable length
Expected: No damage to handset or cable

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

Handset or cable damaged or non-functional

Cable remote control handset or its connecting cable is cut, bent, pinched, or non-responsive to button input.

Ranked causes

1. Cable damage from pinching, crushing, or wear during storage or use (occasional)

First check

Visually inspect handset and cable for cuts, kinks, or damage

Test point: Cable along full length and handset housing
Expected: No cuts, pinches, or visible damage; cable flexible and intact

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

Instruction labels loose, missing, or unreadable patient safety

Equipment instruction labels are not firmly attached, missing, or text is illegible.

Ranked causes

1. Label adhesive failure, wear, or decontamination damage (occasional)

First check

Inspect all instruction labels for attachment and readability

Test point: All equipment instruction labels
Expected: Labels firmly attached and text completely legible

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

Instruction labels missing, detached, or unreadable caution

Safety or instruction labels not firmly attached or not readable

Ranked causes

1. Label detached or damaged (occasional)

First check

Inspect all instruction labels

Test point: all instruction labels
Expected: All labels firmly attached and fully readable

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

Leg spacing out of tolerance after SSB assembly

Inner distance between legs not within 540–550 mm specification after Steel Stopper Bar installation

Ranked causes

1. Set screw B not properly adjusted (common)

First check

Measure inner distance between both legs

Test point: Distance A between leg inner edges
Expected: 540–550 mm (21.67–21.828 inch), ±5 mm

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

Legs do not open or close smoothly patient safety

Leg movement is stiff, jerky, or produces disturbing noises during opening and closing cycles

Ranked causes

1. Inadequate lubrication at leg joints (common)

First check

Open and close legs completely

Test point: Both leg hinges
Expected: Smooth movement without disturbing noises

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

Loop lock assemblies damaged or knot in cone knob defective patient safety

Loop lock assemblies show damage, wear, or the knot within the cone knob is loose, frayed, or non-functional.

Ranked causes

1. Wear or damage to knot or assembly from repeated patient transfers (occasional)

First check

Visually inspect loop lock assemblies and cone knob for damage

Test point: All loop lock assemblies and knots within cone knobs
Expected: Knots intact and tight; assemblies show no fraying or damage; smooth operation

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

Loop lock assembly integrity compromised patient safety

Loop lock assembly shows damage or knot within cone knob is defective

Ranked causes

1. Loop lock assembly or cone knob knot damage (occasional)

First check

Inspect loop lock assembly integrity and cone knob knot

Test point: loop lock assemblies and cone knob knot
Expected: Assembly intact and knot secure within cone knob

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

Lower Override knob not properly set

Lower Override knob not turned fully clockwise or not finger tight

Ranked causes

1. Lower Override knob not at correct position or tension (occasional)

First check

Check Lower Override knob position and tightness

Test point: Lower Override knob
Expected: Knob turned fully clockwise and finger tight

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

Sling attachment cords or loop lock assembly frayed or damaged patient safety

Sling attachment cords or loop lock assembly show fraying, wear, or visible damage; safety risk during patient lift.

Ranked causes

1. Normal wear or impact damage to cords or assembly during patient handling (common)

First check

Visually inspect sling attachment cords and loop lock assembly

Test point: All cords and loop lock assembly connection points
Expected: No fraying, tears, or visible damage; smooth surface and secure attachment

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

Sling frayed or damaged patient safety

Sling straps or attachment clips are frayed, torn, or clips are damaged; sling is unsafe for patient use.

Ranked causes

1. Normal wear and tear or impact damage to sling (common)

First check

Visually inspect sling for fraying, tears, or damage to straps

Test point: All sling straps and attachment clips
Expected: No fraying, tears, or damage visible

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

Straight Line Steering Guide not locking rear castor inline patient safety

Straight Line Steering Guide (where installed) fails to lock rear castor in-line position.

Ranked causes

1. Steering guide mechanism jam or wear (occasional)

First check

Operate Straight Line Steering Guide and verify rear castor locks inline

Test point: Steering guide mechanism and rear castor position
Expected: Castor locks in-line position when guide is engaged

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.