E18, F21, E23 or F16 showing on the display? We repair Bosch front loaders, washer-dryers and integrated machines at your home across Dubai, Sharjah, Abu Dhabi & Ajman β with the price agreed before any work starts.
UNITECH HOME BUILDING MAINTENANCE L.L.C is an independent repair company. We are not an authorized Bosch service centre and we are not affiliated with or endorsed by Bosch or the BSH group. The Bosch name is used here only to identify the machines we repair.
Independent third-party repair notice: we are not an authorized service center, dealer or affiliate of Bosch. Bosch and all related model names are trademarks of their respective owner and are used on this page for identification purposes only.

There is a real engineering difference between a Bosch washing machine and a budget one, and it shows up when something breaks. The chassis, the drum assembly and the suspension are built to outlast several rounds of consumable parts. So when a Bosch machine fails at eight or ten years old, what has typically failed is a pump, a set of carbon brushes, a door lock or a heating element β not the machine.
That matters for the decision you are actually making, which is repair or replace. On a cheap machine, a major component failure often costs more than the machine is worth. On a Bosch, the same failure is usually a sensible repair, because everything around the failed part still has years left in it.
It also helps that Bosch shares platform engineering with Siemens through the BSH group. Equivalent models use similar or identical components, which widens parts availability in the UAE considerably and keeps repair costs down.
Bosch has used several code systems across its Maxx, Classixx, Logixx and Serie generations. These are the codes we encounter most often in UAE homes.
Drain fault. Water not pumped out in time. Almost always the pump filter, drain hose or drain pump.
Fill timeout. Machine not taking water fast enough. Tap, kinked hose, blocked inlet filter or inlet valve.
Aquastop triggered. Water detected in the base tray. There is a real leak inside β treat as urgent.
Motor fault. Worn carbon brushes on brushed motors, tacho coil, motor wiring or the control module.
Door not closed. Door not latching or the interlock not confirming. Often the lock assembly or a worn catch.
Drum not turning. Motor not rotating the drum β jammed drum, drive fault or motor failure.
Heating timeout. Water not reaching temperature. Heating element or NTC sensor failure.
Sensor fault. NTC temperature sensor reading out of range or open circuit.
Water level too high. Overfilling β inlet valve stuck open or pressure system misreading.
Door lock system. Interlock not engaging or releasing correctly β the lock or its control circuit.
Module fault. Control module or function error. Diagnosed carefully before any board is replaced.
Motor error. Motor circuit fault reported by the module β tested alongside brushes and wiring.
Code meanings vary between Bosch generations and series. Send us a photo of the display and the model number, and we will confirm what yours points to.

Bosch machines fail predictably, which is good news β it means most repairs are quick and the parts are known in advance:
Every Bosch format found in UAE homes, from older machines to the current Serie range.
The mainstream range in UAE apartments and villas. Pumps, locks, elements and sensors.
Top-of-range machines with more electronics β diagnosed on sensor and module readings.
Brushless motors with no carbon brushes. Different fault profile from older brushed models.
Older generations still working in many homes. Carbon brushes and pumps are the usual jobs.
Machines behind cabinet fronts β removed on floor protection and refitted flush afterwards.
Combined units β heating, condenser and sensor faults on the drying side.
Machines with leak protection in the base and the inlet hose β tested as part of the diagnosis.
Bosch machines working long daily cycles in laundries, salons and staff accommodation.
We are not an authorized Bosch service centre. UNITECH HOME BUILDING MAINTENANCE L.L.C is a private, independent repair company holding UAE trade licence number 134585. We have no affiliation with Bosch or the BSH group, no endorsement from them, and no authorization to carry out warranty work on their behalf.
If your washing machine is still within its manufacturer warranty period, contact Bosch or the retailer you bought it from first β a repair carried out by an independent company can affect that cover. Our service is intended for machines that are out of warranty, or where the owner has chosen to use an independent repairer. Tell us how old the machine is and we will give you an honest view on which route makes more sense.
The spare parts we fit are high-quality OEM-standard compatible components. We tell you which part is being used and what it costs before it goes in.
Bosch codes vary by generation, so the model number matters as much as the code itself.
Brushes, tacho, pump, heater, NTC sensor and door lock tested in order before anything is condemned.
Exact price for parts and labour, given before dismantling. Nothing proceeds without your approval.
Common Bosch brushes, pumps and door locks are carried on the van for single-visit repairs.
A complete cycle is run, heating and spin confirmed, and the machine re-levelled before we leave.
Compare with other brands, or read about the specific symptom your Bosch machine is showing.
Not sure the code you are seeing is on our list? Compare it across every brand. All Brand Error Codes →
The full washing machine service β every type, every brand, all four emirates.
The real causes of a drain fault and the safe checks to try before calling out.
Carbon brushes, tacho coils and the other reasons a drum stops turning.
What triggers Aquastop, and how a leak is traced to its actual source.
Same-day cover across Dubai's communities.
No. We are UNITECH HOME BUILDING MAINTENANCE L.L.C, a private independent repair company licensed in the UAE under trade licence 134585. We are not affiliated with, endorsed by, or an authorized service provider of Bosch. We repair Bosch machines as an independent third party and use the brand name only to identify the machines we work on.
E18 is a drain fault β the machine could not pump the water out within the expected time. In most cases the cause is the pump filter behind the small flap at the bottom front of the machine, which collects coins, hair clips and lint. Beyond that it is a blocked drain hose or a failed drain pump. It is one of the cheaper Bosch repairs and often the filter simply needs clearing.
F21 is a motor fault. On older Bosch machines with brushed motors, the most common cause is worn carbon brushes, which is a relatively inexpensive part. It can also be the tacho coil that reports motor speed, the wiring to the motor, or the control module driving it. A technician needs to test these in order rather than assume the module has failed.
That is the Aquastop leak protection. Bosch machines have a float switch in the base tray, and when water collects there the machine shuts down and refuses to run to prevent flooding. It means there is a genuine leak somewhere inside β a hose, the sump, the pump housing or the tub seal. It should be looked at promptly, especially in an apartment.
Bosch and Siemens are both part of the BSH group and share a great deal of platform engineering, so many components are similar or interchangeable across equivalent models. That is genuinely useful for parts availability in the UAE, and our technicians take advantage of it where the part is a correct match.
Often yes. Bosch machines are built with heavier chassis and drum assemblies than budget brands, so the part that fails is usually worth replacing rather than writing off the whole machine. Our technician gives you the fixed repair price first and will tell you honestly when a machine has reached the end of sensible repair.
Photograph the display and the model sticker, send both on WhatsApp, and we will tell you what the fault points to before you commit to a visit.
Bosch model numbers usually start with WA and are printed on a sticker inside the door rim. With that and the code, we can normally diagnose before arriving.
+971 50 988 6591
Daily, 8:00 AM β 6:00 PM
+971 50 988 6591
Send a photo of the display and the model sticker