Arjo Maxi Move: troubleshooting and error codes
The ServiceForge knowledge base holds 66 documented symptoms for the Arjo Maxi Move, with 77 ranked causes, 84 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
Final hoist assembly and function check patient safety
Attachment of Wind Down Tool, top cover, handset, spreader bar and battery; function check per monthly service; and load test
Ranked causes
- 1. Final assembly and verification of hoist operational readiness (unknown)
- 2. Function check per monthly service procedure (unknown)
- 3. Load test required per local requirement (unknown)
Attach Wind Down Tool, top cover, handset, spreader bar and battery
- Test point
- Mast assembly, top cover, handset, spreader bar, battery connections
- Expected
- All components attached and connected
2 more checks with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI
Carriage rollers and guide blocks maintenance caution
Inspection, replacement if necessary, and lubrication of carriage rollers, guide blocks, spindles and pivot pins
Ranked causes
- 1. Carriage roller and guide block wear (occasional)
- 2. Insufficient lubrication of roller components (occasional)
Inspect condition of carriage rollers and guide blocks
- Test point
- Carriage rollers and guide blocks on jib
- Expected
- No visible wear, cracks, or damage
2 more checks with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI
Emergency lowering switch not functioning patient safety
Emergency lowering switch does not lower the jib when activated
Ranked causes
- 1. Emergency lowering switch malfunction or electrical failure (occasional)
- 2. Mechanical emergency lowering system failure (occasional)
Operate electrical emergency lowering switch with jib at mid height
- Test point
- Emergency lowering switch
- Expected
- Jib lowers when switch pressed and held
1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI
Jib assembly attachment to mast patient safety
Attachment of carriage rollers to jib assembly, positioning on mast, and attachment of lift bands with starlock washers
Ranked causes
- 1. Jib assembly installation and roller attachment (unknown)
- 2. Lift band and buckle cover attachment with starlock washers (unknown)
Attach carriage rollers to jib assembly
- Test point
- Jib assembly and carriage rollers
- Expected
- Four rollers securely attached and located in mast
1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI
Jib assembly final positioning on mast patient safety
Careful sliding of jib down mast with verification of lift band and buckle cover positioning and starlock washer retention
Ranked causes
- 1. Jib positioning and component retention during mast assembly (unknown)
- 2. Electric connector reconnection for powered DPS jib (occasional)
Reconnect electric spade connectors (if powered DPS jib)
- Test point
- Electric spade connectors and stainless steel bus bars on outer mast
- Expected
- Connectors securely attached to bus bars
1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI
Jib does not remain in restrained position patient safety
When jib is restrained by hand during lower operation, motor stops but jib does not hold position when restraint is released
Ranked causes
- 1. Load-holding valve malfunction (common)
- 2. Load-holding valve malfunction via mast keypad (common)
Lower jib with handset while restraining with hand
- Test point
- Jib position and motor response
- Expected
- Motor stops and jib holds position when hand restrains it; jib remains in position when hand released
1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI
Lifting bands worn or damaged patient safety
Visual inspection reveals wear, damage, or missing starlock washers on the two lifting bands
Ranked causes
- 1. Normal wear or physical damage to lifting bands (common)
- 2. Missing starlock washer (occasional)
Raise lift arm and visually inspect both lifting bands
- Test point
- Lifting bands and starlock washers
- Expected
- Bands intact with no visible wear or damage; starlock washers installed
2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI
Mast to chassis installation caution
Mast assembly installation to chassis with cable management and fastening
Ranked causes
- 1. Mast installation procedure during monthly service (unknown)
- 2. Cable routing in inner mast channel (unknown)
Verify cables routed correctly through inner mast
- Test point
- Inner mast channel
- Expected
- Cables clear of installation faces, no visible damage to loom
1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI
Outer mast top casting installation and actuator alignment caution
Installation of outer mast top casting with actuator alignment and M12 cap screw tightening
Ranked causes
- 1. Outer mast top casting installation and alignment procedure (unknown)
- 2. Friction washer installation (unknown)
Install friction washer on actuator
- Test point
- Top end of actuator
- Expected
- Friction washer seated properly
2 more checks with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI
Powered DPS pivot point loose or damaged patient safety
Powered DPS pivot point M10 nyloc nuts are loose, or pivot pins show movement or signs of unwinding
Ranked causes
- 1. M10 nyloc nut loosening or wear (occasional)
- 2. Pivot pin wear or loosening (occasional)
Remove pivot point caps and check M10 nyloc nut torque
- Test point
- M10 nyloc nuts on pivot points
- Expected
- Nuts tight; no movement
- Tools
- 17mm socket, wrench
1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI
Abnormal noise from actuator during raise/lower caution
Actuator produces abnormal or excessive noise during full range raise and lower operations
Ranked causes
- 1. Actuator wear or internal damage (common)
Operate raise/lower function through full operating range
- Test point
- Actuator during lift cycle
- Expected
- Smooth operation without abnormal noise
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Actuator removal and replacement high voltage
Mast actuator requires removal for service, repair, or replacement
Ranked causes
- 1. Actuator failure or required maintenance (occasional)
Verify hoist positioned in suitable work area with adequate space
- Test point
- Work area clearance
- Expected
- Sufficient room to remove mast assembly from chassis
3 more checks with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI
Actuator requires lubrication or replacement caution
Actuator screw thread lubrication needed or actuator assembly needs replacement during monthly service
Ranked causes
- 1. Actuator wear or insufficient lubrication (occasional)
Inspect actuator condition for wear or lack of lubrication
- Test point
- Actuator screw thread
- Expected
- Adequate lubrication visible or actuator functions smoothly
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Battery indicator or powered movement hours not recorded
Battery indicator not checked or hours of powered movement not recorded on service paperwork
Ranked causes
- 1. Failure to record maintenance data (common)
Note battery indicator status and powered movement hours
- Test point
- Battery indicator on hoist console
- Expected
- Battery indicator functional; hours recorded
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Braked or unbraked castor torque loose caution
Braked or unbraked castors are loose or insufficient torque on attachment bolts
Ranked causes
- 1. Castor bolt loosening due to vibration (common)
Check torque on all braked and unbraked castor bolts
- Test point
- Castor attachment bolts
- Expected
- All castors tight; no movement
- Tools
- 8mm Socket Allen Key, torque wrench
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Carriage roller wear or damage patient safety
Carriage rollers or guide blocks show wear or damage affecting smooth jib movement
Ranked causes
- 1. Carriage rollers or guide blocks worn from sliding friction (occasional)
Visually inspect carriage rollers and guide blocks
- Test point
- Four carriage rollers and associated guide blocks on jib
- Expected
- No visible wear, cracks, or flat spots on rollers; guide blocks intact
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Castor effectiveness compromised caution
Braked castors do not effectively lock or roll smoothly; damage or deterioration visible
Ranked causes
- 1. Castor wear, damage, or brake mechanism failure (occasional)
Inspect castors for damage and deterioration
- Test point
- Castor wheels, bearings, and brake mechanisms
- Expected
- Castors roll freely; braked castors lock effectively; no visible damage
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Chassis leg actuator clevis pin or safety fastener missing patient safety
Clevis pin and/or safety fastener are not installed on the leg actuator
Ranked causes
- 1. Missing or damaged clevis pin or safety fastener (occasional)
Visually verify clevis pin and safety fastener are installed on leg actuators
- Test point
- Clevis pin and safety fastener on both leg actuators
- Expected
- Both pins and fasteners present and secure on each leg
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Chassis legs not square to cross member caution
Dimension across the centres of the legs is not within 588–592 mm specification, indicating legs are not square to chassis cross member
Ranked causes
- 1. Bent leg or loose M8 socket set screw allowing leg misalignment (occasional)
Measure dimension across centres of both chassis legs
- Test point
- Leg spacing measurement
- Expected
- 588–592 mm across leg centres, 588–592 mm
- Tools
- Measuring tape or ruler
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Chassis welds or paintwork defective caution
Visual inspection reveals defects in chassis welds or paintwork
Ranked causes
- 1. Physical impact, corrosion, or manufacturing defect (occasional)
Visually inspect chassis for weld cracks and paintwork defects
- Test point
- Chassis body, welds, and painted surfaces
- Expected
- All welds intact; no cracks or paint damage
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Combi attachment damaged or defective patient safety
Combi attachment (Walking Jacket, Loop, Stretcher, or 4-Point DPS) shows damage to paintwork, welds, hooks, or steering pins
Ranked causes
- 1. Physical damage, corrosion, or wear to attachment (occasional)
Visually inspect all combi attachments for damage
- Test point
- Attachment paintwork, welds, hooks, clips, steering pins, sling clips
- Expected
- No visible damage, cracks, corrosion, or wear; all components intact
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Combi attachment locking clip not operating smoothly patient safety
Combi system locking clip does not operate smoothly or precisely when attaching/detaching from T bar
Ranked causes
- 1. Locking clip wear or misalignment (occasional)
Operate locking clip on combi attachment
- Test point
- Locking clip mechanism
- Expected
- Smooth and precise operation; attachment securely attached and easily removable
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Four-Point DPS handgrip worn or damaged caution
Handgrip on Four-Point DPS is cracked, worn, or otherwise damaged
Ranked causes
- 1. Handgrip wear or physical damage (occasional)
Visually inspect Four-Point DPS handgrip
- Test point
- Handgrip condition and attachment
- Expected
- Handgrip intact, secure, and not cracked or worn
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Four-Point DPS igus bushes worn caution
Visual inspection of four igus bushes in T bar of Four-Point DPS reveals wear or damage
Ranked causes
- 1. Normal wear of igus bearing material (occasional)
Visually inspect four igus bushes in Four-Point DPS T bar
- Test point
- Igus bushes on T bar pivot points
- Expected
- Bushes intact; no visible wear or damage
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Four-Point DPS initial load cell reading out of specification patient safety
Initial M10 nyloc nut torque setting does not achieve 2.72 kg (6 lbs) load on Load Cell as expected
Ranked causes
- 1. Incorrect initial load setup or Load Cell malfunction (occasional)
Tighten first M10 nyloc nut and measure load
- Test point
- Load Cell reading
- Expected
- 2.72 kg (6 lbs) load on first nut, ≈6 lbs
- Tools
- Load Cell, wrench for M10 nyloc nut
1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI
Four-Point DPS welded lug cracks or deterioration patient safety
Visual inspection reveals cracks or deterioration in the welds around the lifting lugs of Four-Point DPS
Ranked causes
- 1. Weld stress, fatigue, or corrosion (occasional)
Visually inspect welds around lifting lugs on Four-Point DPS
- Test point
- Weld joints on lifting lugs
- Expected
- No cracks or signs of deterioration; welds intact
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Friction washer lubrication required caution
Friction washer at top of actuator needs lubrication for smooth mast operation
Ranked causes
- 1. Friction washer dry or under-lubricated from normal operation (common)
Inspect friction washer for adequate lubrication
- Test point
- Friction washer bore and end face at top of actuator
- Expected
- Visible grease coating on bore and end face
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Friction washers on Four-Point DPS cracked or contaminated patient safety
Inspection reveals cracks or contamination on the two friction washers used in the Four-Point DPS assembly
Ranked causes
- 1. Friction washer damage or contamination (occasional)
Remove caps and M10 nyloc nuts; visually inspect friction washers
- Test point
- Friction washers on lift support studs
- Expected
- Washers not cracked or contaminated
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Handset controls not functioning patient safety
Operating controls on the handset do not respond to user input or do not function correctly during operation
Ranked causes
- 1. Handset control malfunction or failure (common)
Operate all controls on handset
- Test point
- Handset buttons
- Expected
- All controls respond and function correctly
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Hoist permanent deformation or damage after load test patient safety
Physical deformation or damage visible on hoist structure or components after applying Safe Working Load
Ranked causes
- 1. Hoist structure damaged during load test or prior service (rare)
Visually inspect hoist for permanent deformation or damage after load test
- Test point
- Hoist structure, frame, and attachment points
- Expected
- No permanent deformation or damage visible
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Inner mast scuffed or worn bearings caution
Inner mast shows scuffing on paintwork indicating wear of upper and/or lower mast bearings
Ranked causes
- 1. Mast bearing wear causing scuffing and friction (occasional)
Visually inspect inner mast for scuffing on paintwork
- Test point
- Inner mast surface
- Expected
- Smooth paintwork with no visible scuffing
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Jib damaged, cracked, or defective paint/welds caution
Visual inspection reveals damage, cracks, or defects to jib paintwork or welded joints; end plugs missing
Ranked causes
- 1. Physical impact, corrosion, or manufacturing defect (occasional)
Visually inspect jib for damage, cracks, and paint defects
- Test point
- Jib body and welds
- Expected
- No visible damage, cracks, or defects; end plugs installed; paintwork intact
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Jib does not lower freely with mechanical emergency lowering patient safety
Jib does not lower freely when using mechanical wind down tool after loosening M12 cap screw
Ranked causes
- 1. Actuator friction or mechanical binding (occasional)
Remove battery and mast top cover; loosen M12 cap screw four turns
- Test point
- M12 cap screw on actuator
- Expected
- Cap screw loosened approximately four full turns
1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI
Jib lowers when emergency lowering switch released patient safety
Jib continues to lower or descends after emergency lowering switch is released during electrical emergency lowering test
Ranked causes
- 1. Emergency lowering switch stuck or electrical control failure (rare)
Press and hold emergency lowering switch with jib at mid height
- Test point
- Emergency lowering switch and motor control
- Expected
- Jib lowers while switch held; stops when switch released
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Jib scale load cell screws loose or suspect security patient safety
Load cell screws that retain the load cell to the jib are loose or security is suspect, indicating possible vibration loosening
Ranked causes
- 1. Load cell screw loosening due to vibration or impact (common)
Visually inspect security of four load cell screws
- Test point
- Load cell screw attachment points
- Expected
- Screws secure and not loose or visibly moving
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Jib scale requires recalibration patient safety
Scale unit requires recalibration due to loose load cell screws or adjustment of load cell screws
Ranked causes
- 1. Load cell screw adjustment or movement (occasional)
Verify load cell screw security and check for any adjustments made
- Test point
- Load cell screws and attachment
- Expected
- Screws secure; no adjustments required
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Jib top cover cracked or damaged caution
Jib top cover is cracked or otherwise damaged
Ranked causes
- 1. Physical impact or material degradation (occasional)
Visually inspect jib top cover for cracks or damage
- Test point
- Jib top cover
- Expected
- Cover intact; no cracks or visible damage
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Keypad controls not functioning patient safety
Operating controls on the mast-mounted keypad do not respond or fail at limit positions
Ranked causes
- 1. Keypad control malfunction (common)
Operate keypad controls at all limit positions
- Test point
- Mast console keypad
- Expected
- All controls respond correctly throughout full operating range
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Leg actuator M12 set screw loose caution
M12 countersunk set screw on leg actuator is loose or insufficient torque
Ranked causes
- 1. Screw loosening due to vibration or impact (common)
Check torque on M12 countersunk set screw on leg actuator
- Test point
- M12 set screw on leg actuator
- Expected
- Screw tight with adequate torque
- Tools
- 8mm Socket Allen Key, torque wrench
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Lift band wear or damage patient safety
Lift bands show signs of wear, damage, or deterioration affecting lifting performance
Ranked causes
- 1. Lift band material degraded or damaged from use (common)
Visually inspect lift bands for wear or damage
- Test point
- Lift bands in jib carriage
- Expected
- No visible cracks, tears, or material degradation
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
M20 locknut torque incorrect on jib lift support patient safety
M20 locknut that retains lift support or teebar to jib does not have correct torque
Ranked causes
- 1. Locknut loosening due to vibration or impact (common)
Check torque on M20 locknut retaining lift support to jib
- Test point
- M20 locknut on jib
- Expected
- Locknut tight with adequate torque
- Tools
- 30mm socket, torque wrench
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
M4 screw missing on lift support/teebar caution
M4 screw (item 23) that should be installed on lift support/teebar is missing
Ranked causes
- 1. M4 screw not installed during assembly or removed during maintenance (occasional)
Verify M4 screw (item 23) is installed on lift support/teebar
- Test point
- Lift support/teebar assembly
- Expected
- M4 screw present and secure
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Mast powered DPS bus bars worn, damaged, or contaminated high voltage
Bus bars located in outer mast rear and side channels show signs of wear, damage, or contamination
Ranked causes
- 1. Bus bar corrosion, wear, or physical damage (occasional)
Visually inspect mast bus bars in rear and side channels
- Test point
- Bus bar surfaces and electrical contacts
- Expected
- No visible wear, damage, corrosion, or contamination
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Mast to chassis bolts loose caution
Two M10 countersunk mast-to-chassis bolts are loose or insufficient torque
Ranked causes
- 1. Bolt loosening due to vibration or impact (common)
Check torque on two M10 countersunk mast-to-chassis bolts
- Test point
- M10 countersunk bolts on mast-chassis interface
- Expected
- Bolts tight with adequate torque
- Tools
- 6mm Socket Allen Key, torque wrench
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Outer top mast casting roller and pivot pin installation caution
Installation of roller and pivot pin to outer top mast casting with proper dimple alignment
Ranked causes
- 1. Roller and pivot pin installation with alignment (unknown)
Slide jib assembly down for access to outer mast casting
- Test point
- Jib assembly position on mast
- Expected
- Jib slid down enough to access outer mast top casting
1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI
Plastic leg extrusions damaged caution
Plastic leg extrusions show visible damage or cracks
Ranked causes
- 1. Physical impact or material degradation (occasional)
Visually inspect plastic leg extrusions
- Test point
- Plastic leg extrusion surfaces
- Expected
- No visible cracks or damage
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Powered DPS actuator damaged patient safety
Powered DPS actuator shows visible damage to piston rod or casing
Ranked causes
- 1. Actuator physical damage or internal failure (occasional)
Visually inspect powered DPS actuator piston rod and casing
- Test point
- Actuator external surfaces
- Expected
- No visible damage, dents, or leaks
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Powered DPS actuator E-clips missing or loose patient safety
Top and bottom E-clips that retain actuator to lift frame and spreader bar are missing or not properly installed
Ranked causes
- 1. Missing or loose E-clips during assembly or maintenance (occasional)
Visually inspect top and bottom E-clips on powered DPS actuator
- Test point
- E-clip retention on actuator and spreader bar
- Expected
- Both E-clips present and properly installed
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Powered DPS electrical contacts corroded or worn caution
T bar electrical contacts show signs of corrosion or wear, preventing proper connection with powered DPS
Ranked causes
- 1. Electrical contact corrosion or oxidation (occasional)
Visually inspect T bar electrical contacts for corrosion or wear
- Test point
- T bar electrical contact surfaces
- Expected
- Contacts clean and free from corrosion or visible wear
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Powered DPS handgrip knob worn or damaged caution
Handgrip knob on powered DPS is cracked, loose, or otherwise damaged
Ranked causes
- 1. Handgrip knob wear or physical damage (occasional)
Visually inspect powered DPS handgrip knob
- Test point
- Handgrip knob condition and attachment
- Expected
- Knob intact, secure, and not cracked or damaged
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Powered DPS jackplug or socket damaged or cable issues caution
Powered DPS jackplug (item 20), socket (item 19), or attached cables show damage or poor condition
Ranked causes
- 1. Physical damage or corrosion on electrical connectors (occasional)
Visually inspect jackplug, socket, and cables for damage
- Test point
- Powered DPS electrical connectors and cables
- Expected
- No visible damage, corrosion, or wear on connectors or cables
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Powered DPS system not operating smoothly patient safety
Powered DPS (Dynamic Positioning System) does not operate smoothly or precisely via handset or mast keypad
Ranked causes
- 1. Powered DPS actuator or control malfunction (occasional)
Operate powered DPS via handset through full range
- Test point
- DPS actuator and positioning
- Expected
- Smooth and precise operation
1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI
Push handle defective or damaged caution
Push handle shows defects to paintwork or welded joints
Ranked causes
- 1. Physical impact, corrosion, or manufacturing defect (occasional)
Visually inspect push handle for paintwork and weld defects
- Test point
- Push handle body and welds
- Expected
- No visible defects, cracks, or damage
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Push handle end plugs missing caution
End plugs installed to push handle are missing
Ranked causes
- 1. End plugs removed or damaged (occasional)
Visually verify end plugs are installed on push handle
- Test point
- Push handle ends
- Expected
- End plugs present and secure
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Push handle mounting screws loose caution
Two countersunk screws that retain push handle to mast guide block are loose or insecure
Ranked causes
- 1. Screw loosening due to vibration or impact (common)
Check security of two countersunk screws on push handle
- Test point
- Push handle mounting screws on mast guide block
- Expected
- Screws secure and tight
- Tools
- 5mm Socket Allen Key
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Push handle plastic screw adjustment improper caution
Plastic screws in console cover plate are not adjusted correctly, causing rough push handle operation or movement between console and mast
Ranked causes
- 1. Loose plastic screws in console or worn slipper mouldings (common)
Apply pressure to push handle and observe for movement between console and mast
- Test point
- Push handle and console connection
- Expected
- No movement between console and mast; smooth push handle operation
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Push handle slipper mouldings worn caution
Slipper mouldings on push handle show visible wear or damage
Ranked causes
- 1. Slipper moulding wear due to friction and use (common)
Visually inspect slipper mouldings for wear or damage
- Test point
- Slipper moulding surfaces on push handle
- Expected
- Mouldings intact and not worn
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Scale unit accuracy out of specification patient safety
Scale unit accuracy test with 2×20 kg weights does not meet specification
Ranked causes
- 1. Load cell drift or calibration loss (occasional)
Test scale accuracy using 2×20 kg weights
- Test point
- Load cell and display
- Expected
- Scale displays 20 kg when each weight applied; 40 kg when both applied
- Tools
- Calibration weights ST219, scale unit
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Sling clip defective or worn patient safety
Plastic support clip on sling fails gauge test, shows cracks on cold shut line, or deformation from laundry processes
Ranked causes
- 1. Plastic sling clip worn, cracked, or deformed (common)
Insert Sling Clip Gauge ST331 machined diameter into large diameter of keyhole slot in plastic clip
- Test point
- Sling plastic clip keyhole slot
- Expected
- Gauge must not pass through narrow mouth section of clip
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
Sling SWL label illegible patient safety
Safe Working Load label worn or faded and cannot be read
Ranked causes
- 1. SWL label worn or faded (occasional)
1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI
More symptoms
- Spreader bar produces abnormal noise during rotation
- Spreader bar requires excessive force to rotate
- Stop button not disabling power functions
- Strap stretcher deterioration after load test
- Stretcher locking bolt does not operate smoothly or prevents folding when locked
- T bar or lift support clearance out of specification
6 more symptoms with ranked causes and checks 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.