Knowledge Hub · Advantage engineers
Commercial Catering Equipment Knowledge Hub
Technical guides, fault diagnostics and compliance guidance for Kent commercial kitchens — written by the engineers who actually fix this equipment for a living.
Cooking equipment
Diagnostics, fault patterns and service guidance for commercial combi ovens, ranges, fryers and gas cooking equipment serviced across Kent, including Rational, Convotherm, Unox and Lincat.
Commercial fryer not heating? An engineer's diagnostic guide
The four common reasons a commercial fryer won't heat — what's safe to check yourself, and when it's a job for an engineer.
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Commercial combi oven not heating? An engineer's diagnostic guide
The common reasons a combi oven won't heat — what's safe to check yourself, and when it's a job for an engineer.
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Rational combi oven not heating? An engineer's diagnostic guide
The four most common causes when a Rational stops heating — what to check before you call.
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Common Rational error codes and what they mean
Plain-English explanation of the most common Rational service codes across SCC, iCombi Pro and CombiMaster.
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How often should a commercial combi oven be serviced?
Service intervals, what's at stake if you skip them, and what a proper service visit includes.
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Commercial gas oven won’t ignite? An engineer’s diagnostic guide
The common causes of ignition failure: spark electrodes, gas supply, thermocouples and safety lockouts.
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Combi oven not generating steam
Diagnose water supply, scale and valve faults behind a combi oven that will not steam
Read the guide →Warewashing
Fault diagnostics and prevention for commercial dishwashers, glasswashers and potwashers — Hobart, Winterhalter, Maidaid, Classeq and other warewashing brands serviced across Kent.
Commercial dishwasher not draining? An engineer's diagnostic guide
The four common reasons a commercial dishwasher won't drain — what's safe to check yourself, and when it's a job for an engineer.
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Commercial dishwasher not cleaning? An engineer's diagnostic guide
The common reasons a commercial dishwasher leaves crockery dirty — what's safe to check yourself, and when it's a job for an engineer.
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Glasswasher leaving film or spots
Diagnose glasswasher film and spotting caused by hard water, rinse aid dosing or rinse temperature faults
Read the guide →Commercial refrigeration
Fault diagnostics and prevention guidance for commercial fridges, freezers, walk-ins and ice machines — Foster, Hoshizaki, Williams, Gram and other brands serviced in Kent.
Commercial fridge not getting cold? An engineer's diagnostic guide
The four common reasons a commercial fridge won't hold temperature — what's safe to check yourself, and when it's a job for an engineer.
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Why commercial fridges fail in Kent kitchens — and how to spot it early
The four common reasons commercial fridges and walk-ins fail — and the early signs that catch a problem before a Friday-night service.
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Hoshizaki making less ice than usual? The likely causes
When a Hoshizaki ice machine starts producing less ice, the cause is usually one of three things — two of them preventable.
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Commercial ice machine not making ice? An engineer's diagnostic guide
The four common reasons a commercial ice machine stops making ice — what's safe to check yourself, and when it's a job for an engineer.
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Commercial fridge temperature & HACCP compliance — a Kent operator's guide
UK FSA-aligned temperatures, HACCP record-keeping and EHO inspection prep for Kent catering operators.
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Walk-in cold room not holding temperature? An engineer's diagnostic guide
The four common reasons a walk-in cold room won't hold temperature — what's safe to check yourself, and when it's a job for an engineer.
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Freezer icing up or frosting over? An engineer's diagnostic guide
Why a commercial freezer ices up, the checks worth doing yourself, and when it needs a refrigeration engineer.
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Fridge leaking water inside or underneath
Diagnose blocked drains, worn seals and ice build up causing fridge leaks before calling an engineer
Read the guide →Compliance & regulation
Gas safety, F-Gas regulation, ventilation, water industry compliance — the regulatory ground every Kent commercial kitchen has to cover.
Commercial Kitchen Gas Interlock Systems Explained
Interlocks, inspections, Gas Safe certification and the practical reality of compliance for Kent operators.
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Commercial catering gas safety: operator obligations
Your legal duties on gas safety — Gas Safe registration, annual inspections, interlocks and the records that prove due diligence.
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Your waste disposal unit after the 2025 ban: keep, disable or replace?
An engineer's read on existing macerators, dewaterers and FOG kit — the decision tree, decommission triggers and service intervals.
Read the guide →Buying & decisions
Straight guidance on the money decisions behind a commercial kitchen — when to repair, when to replace, and how to weigh cost, downtime and compliance.
Repair or replace commercial kitchen equipment? An engineer's guide
The five factors that decide it — the 50% rule, equipment age, reliability, parts and F-Gas.
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5 signs your commercial kitchen equipment needs servicing
The early warnings that a service is overdue, and what they cost you if you wait for the breakdown.
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How much does commercial equipment repair cost?
What drives commercial catering equipment repair costs and how to get a fair, fixed quote
Read the guide →Ventilation and extraction
Canopy, ductwork and extract fan faults, grease build-up, make-up air and the TR19 and DW172 duties behind them, across Kent commercial kitchens.
Get to the front of the queue
Stop reacting to breakdowns
Agreement holders get priority over standard call-outs. When equipment fails, our engineers attend agreement calls first — and agreement holders are attended within 24 working hours in 90% of cases.
The Advantage Service Agreement covers a structured annual service, gas soundness testing and a written equipment-condition report, plus an automatic 10% discount on labour and parts for every Advantage engineer call-out.
What an agreement includes
- Scheduled preventative maintenance visits
- Gas safety checks and certificates
- F-gas compliance checks and paperwork
- Priority over standard call-outs
- 10% off labour and parts on call-outs
- Equipment-condition report for EHO and auditors
- Coverage across east and central Kent
Equipment down? Talk to a Kent engineer.
Same working day for emergencies. 8am–5pm Mon–Fri. Out of hours, leave a message.
📞 Call 01304 873469 Book an engineer