Hospital beds · Multicare family

Linet Multicare LE: troubleshooting and error codes

The ServiceForge knowledge base holds 32 documented symptoms for the Linet Multicare LE, with 37 ranked causes, 24 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

Main control box overheating caution

Heat sink in main control box temperature is elevated, causing automatic protective actions

Ranked causes

1. Main control box temperature at 85°C (occasional)
2. Main control box temperature at 100°C (occasional)
3. Main control box temperature at 115°C (rare)

First check

Monitor heat sink temperature in main control box

Test point: Heat sink
Expected: Below 85°C

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

Display shows 'Lo' or 'Hi' weight error

Weight value exceeds display range; negative weights show '– – Lo' or absolute weight out of bounds

Ranked causes

1. Actual load on bed exceeds 251.5 kg or is below measurement range (common)
2. Scale calibration error or sensor fault (rare)

First check

Verify actual load on bed

Test point: Visual inspection of bed surface
Expected: Load visible and known weight

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

Multiboard failure – blank display caution

One or both Multiboards have failed, resulting in blank display(s) and possible alarm

Ranked causes

1. One Multiboard faulty (occasional)
2. Both Multiboards faulty (rare)

First check

Listen for alarm sound

Test point: Audible alarm
Expected: Alarm sounds if on mains power; approximately 1 minute if on battery power

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

Power box transformer overheating high voltage

Transformer in main control box is overheated, causing automatic shutdown and potential fuse failure

Ranked causes

1. Transformer temperature at 100°C (occasional)
2. Transformer temperature at 130°C (rare)

First check

Monitor transformer temperature in main control box

Test point: Transformer
Expected: Below 100°C

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

Activate transport lock caution

Engage transport lock to secure bed during transport

Ranked causes

1. Bed requires transport lock activation (common)

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

Activation required

Keypad or touchscreen is inactive

Ranked causes

1. Keypad or touchscreen not activated (common)

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

All displays blank and alarm sounds

All Multiboard displays go blank and alarm sounds; on battery power alarm sounds for ~1 minute then stops; repositioning limited to 5 seconds per GO button press

Ranked causes

1. Both Multiboards faulty (common)

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

Backrest angle above 30° limits lateral tilt

Lateral tilt adjustment is restricted to 15° maximum when backrest is raised above 30°

Ranked causes

1. Backrest raised above 30° (common)

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

Backrest angle and lateral tilt conflict

Backrest angle exceeds 30° limiting lateral tilt to 15°, or lateral tilt exceeds 15° limiting backrest to 30°

Ranked causes

1. Conflicting backrest and lateral tilt angles (unknown)

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

Bed loaded above 150 kg – lateral tilt limited patient safety

Bed weight load exceeds 150 kg, restricting lateral tilt to maximum 15°

Ranked causes

1. Bed load exceeds 150 kg capacity limit (unknown)

Bed loaded over 150 kg limits lateral tilt patient safety

Lateral tilt adjustment is restricted to 15° maximum when bed is loaded with more than 150 kg

Ranked causes

1. Load exceeds 150 kg (occasional)

Calibration: Column and accelerometer

Calibration required after replacing any column, control box, or accelerometer to ensure proper speed and horizontal positioning

Ranked causes

1. Component replacement requires recalibration (common)

First check

Enter service mode on ACP

Test point: Nurse control panel (ACP)
Expected: Backrest up, backrest down, CPR and anti-Trendelenburg buttons simultaneously held for 3 seconds

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

Calibration: Scale weight measurement caution

Setup and adjustment of bed scale sensor constants, geographical zone, and calibration constants to ensure accurate weight measurement

Ranked causes

1. Scale requires initial setup or recalibration after maintenance (common)

First check

Enter calibration mode

Test point: Button combination
Expected: Calibration mode activated

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

Display goes blank on single Multiboard

One Multiboard display becomes blank while the bed remains operational

Ranked causes

1. One Multiboard faulty (common)

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

Function locked

A bed function is locked and unavailable

Ranked causes

1. Function lock engaged (common)

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

Horizontal position reached during tilting

Bed has reached horizontal position while tilting operation was in progress

Ranked causes

1. Bed reached horizontal limit during tilt (occasional)

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

Lateral tilt above 15° limits backrest angle

Backrest angle adjustment is restricted to 30° maximum when lateral tilt is above 15°

Ranked causes

1. Lateral tilt raised above 15° (common)

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

Lateral tilt adjustment by foot control limited to 15°

Lateral tilt adjustment via foot control is restricted to maximum 15° angle

Ranked causes

1. Foot control lateral tilt limit active (unknown)

Main control box critical overheat – charging off and alarm caution

Heat sink in main control box reached 100°C with sound signalization and LINIS counter increment

Ranked causes

1. Main control box heat sink reached 100°C (occasional)

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

Main control box overheated – battery charging disconnected caution

Heat sink temperature in main control box reached 85°C, disconnecting battery charging

Ranked causes

1. Main control box heat sink reached 85°C (occasional)

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

Main control box shutdown – critical overheat at 115°C caution

Heat sink in main control box reached 115°C, causing bed shutdown with sound signalization

Ranked causes

1. Main control box heat sink reached 115°C critical threshold (rare)

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

No supply voltage to mattress during CPR activation patient safety

Mattress power is not available when CPR function is activated

Ranked causes

1. Mattress power supply failure during CPR (unknown)

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

One fault state – single movement then lockout caution

Mains LED flashes indicating protection from one fault; only one bed movement is possible before all functions lock

Ranked causes

1. Fault protection activated – one fault condition detected (unknown)

First check

Observe mains LED status

Test point: Mains LED
Expected: LED flashing indicates one fault protection active

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

One fault state active caution

Mains LED is flashing indicating a single-fault protection state where bed functions are severely restricted

Ranked causes

1. One fault condition detected (rare)

First check

Observe mains LED status

Test point: Mains LED
Expected: Flashing indicates one-fault protection active

Potentiometer malfunction caution

A potentiometer has failed, affecting position or angle measurement

Ranked causes

1. Potentiometer failure in column unit (unknown)

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

Power box critical overheat – heat fuse blown at 130°C caution

Transformer in power box reached 130°C, causing heat fuse to blow; main control box replacement required

Ranked causes

1. Power box transformer reached 130°C critical threshold (rare)

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

Power box overheating – transformer at 100°C caution

Transformer in main control box reached 100°C, causing automatic shutdown and restart after cooling

Ranked causes

1. Power box transformer reached 100°C (occasional)

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

Scale diagnostic mode access

Browse and verify scale system sensor values, display test, and calibration counter status

Ranked causes

1. Need to verify sensor readings or check calibration history (occasional)

First check

Activate diagnostic mode

Test point: Button combination
Expected: Diagnostic mode active, identification numbers displayable

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

Siderails folded down – lateral tilt disabled patient safety

Lateral tilt adjustment is not possible because siderails are folded down

Ranked causes

1. Siderails in folded position (common)

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

Single column movement during malfunction

Ability to move individual column for 5 seconds at a time after disconnecting other columns or breaking potentiometer circuit

Ranked causes

1. Column defective or potentiometer circuit broken (common)

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

Switch accelerometer type

Switch between new and old type accelerometers after fitting new accelerometers on ACP panel

Ranked causes

1. New accelerometers installed requiring type selection (common)

First check

Access accelerometer switching mode on ACP panel

Test point: ACP panel buttons
Expected: Green power LED flashing

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

X-Ray cassette holder not inserted correctly caution

X-Ray cassette holder is improperly positioned in the bed

Ranked causes

1. X-Ray cassette holder installation error (common)

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.