Use this article for safe first-level checks when a current E‑LIFT™ Electric Intelligent Balancer does not operate as expected. It applies to EIS inline slide-control models.

Do not open the power unit, bypass a safety device, change internal wiring, or alter service parameters while troubleshooting. Contact an authorized service provider for assistance.

Safety Notice: Keep people clear of the load and travel path. If the load is suspended, secure the area before investigating the condition. Stop using the balancer immediately if you see wire-rope damage, unusual movement, damaged controls, or a condition that could affect safe load handling.

Start With These Checks

Before using a symptom-specific section, confirm that:

• The balancer has the correct power supply and is powered on.
• The Emergency Stop is released.
• No active alarm is displayed on the handle.
• The wire rope is properly tensioned and free of visible damage or obstruction.
• The load and handling device are within the approved capacity.
• The handle is being used by one operator only.
• The travel path is clear.
• The balancer is not at a hardware or configured virtual travel limit.

For normal operating information, see Operating an E‑LIFT Electric Intelligent Balancer.

If the issue began after a setting change, contact an authorized service provider.

The Balancer Does Not Move

1. Confirm that the Emergency Stop is released.
2. Check the handle display for an alarm or operating mode.
3. Hold the inline slide-control handle to enter Handle Mode.
4. Check whether the balancer is at an upper or lower hardware limit.
5. Confirm that configured virtual upper and lower limits do not restrict movement.
6. Check that the wire rope is not loose, jammed, or obstructed.
7. Confirm that the load is within the rated capacity.

Important: If the balancer still does not move, stop using it. Do not open the power unit or attempt electrical repairs. Contact authorized service personnel.

The Balancer Moves in Only One Direction

Do not reset limits or change overload settings simply to restore movement. Authorized personnel should verify the application and settings.

The Handle Display Shows an Overload Alarm

An Overload Alarm indicates that the balancer has detected a load above the approved threshold or rated capacity. The balancer may allow downward movement only.

1. Lower the load safely.
2. Confirm that the combined weight of the load, handling device, and attachments is within the balancer’s rated capacity.
3. Check for an object, fixture, or obstruction that may be adding resistance.
4. Do not change load or overload settings unless you are authorized to configure the balancer.
5. If the alarm continues with a known approved load, remove the balancer from service.

The Handle Display Shows a Loose Wire Rope Alarm

A Loose Wire Rope Alarm means the balancer has detected insufficient rope tension. The balancer may allow upward movement only.

1. Keep the area clear.
2. Raise the load only enough to restore rope tension.
3. Stop and inspect the wire rope for damage, improper spooling, tangling, or an obstruction.
4. Inspect the lower connection, handling device, and load for a condition that could allow the rope to go slack.
5. Do not return the balancer to service if the rope remains loose or damaged.

For routine wire-rope inspection guidance, see Inspecting and Maintaining an E‑LIFT Electric Intelligent Balancer.

Float Mode Does Not Work Correctly

First, confirm that the balancer operates normally in Handle Mode. If it does not, do not attempt to use Float Mode.

Then check that:

• The balancer is in Lock Mode before Float Mode is started.
• No alarm is displayed.
• The Float Mode function is enabled for the application.
• No additional force is applied to the load while Float Mode is starting.
• The load weight has not changed since Float Mode was activated.
• The operator is guiding the load or approved handling device, not operating the slide-control handle.

If Float Mode continues to behave unexpectedly, stop using it. An authorized service provider should review the Float Mode settings.

The Balancer Moves More Slowly Than Expected

Check the following:

• The selected Handle Mode speed may be set lower than expected.
• The balancer may be slowing as it approaches an upper or lower limit.
• Float Mode speed may be different from Handle Mode speed.
• Larger-capacity models have lower maximum lifting speeds than smaller models.
• The load may be near the approved capacity or affected by an obstruction.

Do not increase speed settings until the application has been reviewed. Contact authorized service personnel.

The Handle Display Is Blank or Shows a Communication Error

If the handle display is blank, shows a communication-related message, or repeatedly restarts:

1. Stop using the balancer.
2. Check for visible damage to the handle, cable, or connectors.
3. Confirm that the balancer has power.
4. Do not disconnect internal wiring or open the power unit.
5. Contact authorized service personnel.

These conditions may require electrical measurements or component-level diagnosis. Contact authorized service personnel.

The Balancer Makes Unusual Noise or Rattles

Stop using the balancer if you hear grinding, rattling, scraping, or another unusual sound.

Inspect only externally accessible items for:

• Obstructions around the wire rope or load path
• Loose visible fasteners or equipment connections
• Damage to the handling device or attached trolley
• A visibly damaged or improperly spooled wire rope

Do not continue operating the balancer “to see if it clears.” Unusual noise can indicate a mechanical problem that requires authorized service.

When to Contact Service Immediately

Contact authorized service personnel if:

• A servo-drive alarm or persistent handle-display alarm is present
• The balancer repeatedly stops because of overheating
• The Emergency Stop, upper limit, lower limit, or rope-slack protection does not work correctly
• The wire rope is damaged, loose, jammed, or improperly spooled
• The balancer moves unexpectedly or does not respond to the handle correctly
• An issue remains after the safe checks in this article
• The power unit, servo drive, main board, load cell, or internal wiring may be involved

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