PEMS diagnoses and repairs Rational dishwashers for commercial kitchens across Perth, with licensed technicians who know this equipment.
Rational dishwashers run hard in commercial kitchens and when they go down, service stops. Common operators include hotels, hospitals, aged care facilities, contract caterers, and large restaurants running high-volume covers. Rational units have specific control systems, wash programs, and water treatment requirements that a general technician is unlikely to know -- a specialist is the faster and cheaper option when something goes wrong.
Failed heating elements or a faulty thermostat are the most common causes of low wash temperatures in Rational dishwashers, which can also trigger hygiene cycle failures. PEMS tests the full heating circuit, replaces failed components, and confirms final temperatures meet the machine's programmed wash and rinse thresholds.
Blocked or failed dosing pumps prevent correct chemical delivery, leaving residue on wares or triggering fault codes on the control panel. PEMS inspects the dosing pump, lines, and injector ports, clearing blockages or fitting replacement pumps where the unit has failed.
Inlet solenoid valves, float switches, or blocked drain pumps frequently cause fill errors or standing water in the wash tank. PEMS traces the fault through the water circuit, replaces failed solenoids or pump assemblies, and checks drain lines for grease build-up contributing to the problem.
Rational dishwashers display specific error codes that require knowledge of the control platform to interpret correctly rather than guessing at components. PEMS reads and diagnoses fault codes accurately, addressing the root cause rather than clearing codes and returning the machine to service without a proper fix.
PEMS is a licensed commercial food equipment specialist operating under electrical contractor licence EC016553 and ARC refrigeration accreditation AU59251, with Type A gas authorisation -- relevant where Rational dishwasher models include gas-boosted water heating. We have completed 25 jobs on Rational dishwashers across Perth, giving our technicians direct familiarity with these machines in commercial kitchen environments. Call 08 9554 3123 to speak with someone who can assess your fault and give you a straight answer on what the repair involves.
PEMS services Rational dishwasher operators across the Perth metro area including the CBD, Fremantle, Joondalup, Mandurah, Rockingham, and the Hills districts.
Or call 08 9554 3123