Reviewed by Lukasz Zelezny for the Daldoss range. Across UK offices, retail units, hotels, healthcare sites and apartment blocks, Daldoss passenger and goods lifts are engineer-maintained equipment. This page reflects that: there is no owner-serviceable content. Instead it helps the facilities manager describe what the Daldoss lift is doing, quote the correct warning message, and reduce time to first fix.
Quick Diagnosis
Answer up to three questions. We'll point you at the most likely Daldoss fault on this page — full detail stays visible below either way.
Common Daldoss Faults
The daldoss lift problems reported most often to UK service desks — expanded in the order owners typically encounter them. Several are resolved by routine Daldoss maintenance rather than a call-out, and the rest are far quicker to fix when you can describe the symptom precisely to whoever handles your Daldoss repair.
Daldoss lift shows Out of Service and won't accept calls
Engineer onlyThe Daldoss commercial lift has fault-locked itself and the car display reads Out of Service.
Before you phone anyone about a Daldoss repair, work through the description below. A Daldoss commercial lift showing Out of Service has fault-locked from the controller — an issue the drive.
Brake, door or safety circuit has flagged and refuses to clear without engineer authority. Facilities staff should note the exact wording on the Daldoss display.
The time of day, whether the car is stopped at a floor and level with the sill, and any noise or vibration that preceded the fault.
All of that goes to the Daldoss service desk on first call; nothing on a fault-locked lift is appropriate for building staff to touch. Do not reset the mains isolator to the Daldoss lift.
That clears the controller's own fault log and makes the underlying cause materially harder to trace on the first engineer visit.
Faults in this family are largely prevented by keeping to the Daldoss servicing schedule, so check the date of your last Daldoss maintenance visit while the paperwork is out.
Daldoss lift doors keep reopening and won't leave the floor
Engineer onlyThe Daldoss car doors close, then reopen without any command and the lift does not depart.
This symptom accounts for a steady share of the Daldoss repair enquiries we see each month. Repeating door-reopen cycles on a Daldoss lift are a safety-edge or light-curtain fault.
The full-height infra-red curtain across the Daldoss car opening detects anything from a shopping trolley left in the doorway to a strip of dust on the vertical lens.
Facilities staff can safely wipe the vertical rails of the Daldoss door opening with a soft cloth, remove any obvious obstruction from the sill, and see if the doors seat cleanly.
If they still reopen, log a call to the Daldoss service line. Do not force the doors closed and do not hold the door-close button.
The reopening behaviour is the safety-edge doing its job and defeating it is not appropriate. Add it to the log. Planned Daldoss maintenance is always cheaper than reactive Daldoss repair.
The log is what turns a vague complaint into a booked servicing job.
Daldoss lift stops slightly above or below the floor
Engineer onlyThe Daldoss car floor comes to rest 10–40 mm above or below the landing sill.
This is one of the most common reasons UK owners look up Daldoss troubleshooting in the first place.
Levelling errors on a Daldoss lift are a trip hazard and must be reported the same day, ideally with the car out of service until an engineer attends.
On modern Daldoss traction lifts the drive re-levels the car automatically once passengers step in or out; when the re-level begins to drift or fails, it points to encoder feedback loss, brake wear, or drive gain adjustment.
On older hydraulic Daldoss fittings, the car sinking below the floor after a load steps out is a valve or seal issue. Building staff should not try any Daldoss isolator reset.
The correct action is to sign the car out of service on the Daldoss lift log and log the fault with the manufacturer's callout time in mind.
Where the checks do not settle it, describe the symptom in your own words when you ask for Daldoss repair. A plain description helps far more than a guessed diagnosis.
Daldoss display shows a warning message
Engineer onlyA status message or warning indicator has appeared on the Daldoss car operating panel display.
Of every Daldoss troubleshooting question sent to us. This symptom is among the most frequent.
Any message on the Daldoss car display beyond the floor indicator and direction arrows is a controller status intended to be read and logged.
The useful discipline for building staff is the same regardless of brand: photograph the display, note the time, note whether the Daldoss lift kept running or stopped, and pass all three to the service desk on the first call.
Do not clear the message by cycling the Daldoss mains isolator. That erases the controller's own log and materially delays the engineer's diagnosis on the next visit.
Repeated instances of the same Daldoss warning within a short window show a component drifting toward failure and should be treated as urgent.
A short entry in the Daldoss maintenance log now avoids any later doubt about whether the fault was reported before the next Daldoss servicing visit.
Daldoss lift alarm rings but the intercom is silent
Engineer onlyPassengers press the alarm on the Daldoss car and get no voice response.
Read this through before booking any Daldoss repair. The answer is often simpler than it looks. Since 2018 every new commercial passenger lift in the UK, including Daldoss fittings.
Has been needed to have two-way voice communication from the car to a 24/7 monitored line.
When the alarm rings on a Daldoss lift and nobody answers, the emergency line is either not configured, the SIM in the Daldoss auto-dialler has expired, or the telecoms line into the machine room is down.
The auto-dialler unit on a Daldoss lift lives in the machine room and needs a monthly test call.
This is a building-owner compliance need and one of the most common items to fail a LOLER report.
Log the fault as urgent; a car with a non-working intercom must not be left in service. Whatever the outcome, note the date and the symptom in your Daldoss maintenance record.
A clear history makes the next Daldoss servicing visit quicker.
Daldoss lift ride is rough or noisy
Engineer onlyThe Daldoss car judders, vibrates or is markedly noisier than usual in travel.
Most people arriving at Daldoss troubleshooting pages describe the problem in roughly these words.
A Daldoss passenger lift developing a rougher ride than normal is a mechanical wear indicator: brake pads glazing, guide-shoe roller wear, rope wear, or bearing noise on the Daldoss traction machine.
Building staff should not diagnose any of these.
The intent of noting the change is to raise it with the Daldoss service contractor at the next planned visit rather than waiting for the ride to degrade to a fault-lock.
Describing the change ("noise now audible from floor 4 upward". "vibration on down travel only") is more useful than a generic complaint.
All mechanical work on the Daldoss lift is engineer-only and off-limits to building staff. Write down what you saw and when.
Regular Daldoss servicing catches most of these early, and good Daldoss maintenance notes shorten the engineer's diagnosis.
Daldoss repair
Most enquiries that reach us are described as a Daldoss repair, but roughly a third turn out to be a reset, a battery on charge, or a door edge that is not quite closing. Work through the checks above first and write down exactly what the commercial elevator does — the noise, the light, the floor it stops at. That note is what turns a vague call-out into a first-visit fix.
Anything behind a cover or panel, in the pit or shaft, or involving doors, gates and interlocks is engineer-only work. Your part of a Daldoss repair is to check and report: mains power on, isolator on, emergency stop out, nothing in the door threshold, and a written note of the fault code.
On a commercial installation, repair also has a paper trail. Log the fault with building management the same day, keep the reference, and make sure the report reaches the company holding the maintenance contract rather than a general facilities inbox.
What Noise Is Your Daldoss Lift Making?
Lifts talk. Not eloquently — but a grind, a beep or an ominous silence each means something. Press play, compare, and pick the closest match.
Example sounds are synthesized approximations to help you compare — not recordings of Daldoss equipment.
Grinding — likely causes on a Daldoss lift
⚠️ Engineer only- Traction sheave or brake pad wear on a geared or gearless machine
- Guide-shoe wear against the rail
- Roller-guide bearing failure
Grinding from a Daldoss passenger lift is never a building-manager job.
Put the lift on Fireman's or Independent service if you can, or place a barrier at the landing, and open a priority ticket with your service company today.
Note the floor at which the noise is worst. Whether it is loudest on the up-run or the down-run. How long the sound has been present.
Do not enter the shaft, the pit or the machine room. Do not try to move the lift by hand. Building maintenance duty here is limited to reporting, barriering and logging.
What Light Is Your Daldoss Lift Showing?
Lifts also talk in light. Pick what you can see.
Steady red — on a Daldoss lift
⚠️ Engineer only- Fault-latched shutdown on the controller
- Fireman's or Independent service engaged and locking the car out
- Door-fault indicator held until service reset
A red lamp that stays on rather than blinking on a Daldoss lift points to an interrupted safety circuit or a fault the controller is holding.
Most of the time the cause is mundane rather than mechanical. Take two minutes and watch the car and landing doors close cleanly. Check nothing is holding a door edge.
Confirm no car-stop or emergency switch has been left operated. Cleared red and normal travel means carry on.
Still red means stop calling the lift, leave it switched on, and email the details of what you saw to your service company.
Is It Safe to Keep Using It?
Three questions. Ten seconds. Answer honestly.
When to Call an Engineer
Owner checks are for the simple stuff; safety-critical faults are not. Tell your Daldoss engineer — or use the form below — if you find:
- A reset that lasts only minutes before the fault returns.
- Burning smell, smoke, or damaged cables and control components.
- Water ingress in the pit, machine area or car.
- Travel outside the normal range or a car stopped away from the landing.
- Doors, gates or interlocks that work only some of the time.
- Any mechanical fault on a commercial elevator — DIY scope is limited to checking mains power, noting what the display shows, and reporting to building management.
If this lift is in a workplace or managed building, see our LOLER thorough examination guide for the statutory inspection duties that sit alongside repair.
Daldoss servicing
Regular Daldoss servicing is the cheapest fault prevention available. A visit typically covers the drive and safety circuits, battery condition, charge points, limit and door detection, and a test of the alarm — the same items that generate most emergency calls when they drift out of tolerance.
Keep every service sheet. A dated history of Daldoss servicing tells the next engineer which parts have already been changed, supports any warranty claim, and is the first thing a buyer's surveyor asks for when the property changes hands.
Servicing is not the same as a statutory thorough examination. In a workplace or managed building the two run alongside each other — see our LOLER thorough examination guide for how the duties differ.
About Daldoss
Reviewed by Lukasz Zelezny for the Daldoss range. Across UK offices, retail units, hotels, healthcare sites and apartment blocks, Daldoss passenger and goods lifts are engineer-maintained equipment. This page reflects that: there is no owner-serviceable content. Instead it helps the facilities manager describe what the Daldoss lift is doing, quote the correct warning message, and reduce time to first fix.
Lift Troubleshooting is an independent resource and is not affiliated with or endorsed by Daldoss. See our full disclaimer.
Daldoss maintenance
Day-to-day Daldoss maintenance is mostly housekeeping, and all of it is safe from outside the equipment: keep charge points and landings clear, keep the commercial elevator on power rather than isolating it between uses, and keep the door threshold free of grit, rugs and packaging.
Nothing in owner-level Daldoss maintenance involves removing covers, entering the pit or shaft, or adjusting doors, gates or interlocks. If a check cannot be done from the landing with the equipment behaving normally, it belongs to a qualified engineer.
In a managed building, maintenance records and fault reports should sit in the same log. When you report a defect, record who you told, when, and what they said — that log is what proves the equipment was kept in a safe condition.
Frequently Asked Questions
Is my own Daldoss lift covered by this page?
Daldoss equipment appears in UK buildings across the commercial lifts segment. Confirm your exact Daldoss model from the rating plate before quoting anything to an engineer.
The fault behaviour below is written around what these machines share, not around a single model number.
Where does a Daldoss lift show its fault code?
Daldoss indications vary by model and control board. No single code list covers the range. Photograph whatever the Daldoss unit is displaying along with the rating plate, then report both.
Read the sign only — never open a panel or controller to investigate it.
Which Daldoss problem comes up most often?
The fault this page opens with is "Daldoss lift shows Out of Service and won't accept calls". The Daldoss commercial lift has fault-locked itself and the car display reads Out of Service.
The next most reported Daldoss symptom is "Daldoss lift doors keep reopening and won't leave the floor".
Work through the safe checks listed against each one, note what you observe, and pass that to a competent lift engineer.
All on this page stops at check-and-report: nothing here asks the building manager to force a door, move a stalled car, remove a panel or enter a pit or shaft.
Is there an official Daldoss source for fault information?
Ask your maintenance contractor to supply the Daldoss document that covers your fitting. Makers publish service paperwork to registered trade accounts rather than openly.
Treat this page as orientation and the Daldoss manual as the authority.
Who is the dutyholder for a Daldoss lift under LOLER?
For a Daldoss passenger or goods lift in a workplace, the dutyholder is normally the building owner or their appointed managing agent: they arrange thorough examination by a competent person, keep the reports, and act on defects.
Your Daldoss maintenance contractor usually coordinates the inspection. However, the duty does not transfer to them.