Au: Auto HP/E: Control setup indicator heat pump electric is … Scenario: Check for error codes on the master controller e.g. Hi can provide me with some info. Out of interest is the U4 error anything non-board related, like the compressor? 2.This page is intended for dealers with experience in repairing Daikin air conditioners and is not for end users. The green light flashes on the big board that has it, and on the small board that has it (mind you they previous boards did that as well). was this recent, did you plug in the capacity resister to the main pcb (little blue x51 plug) ? Don't be too hard on your installer, we're a team of dual trade electricians and refrigeration mechanics and even we can't explain Daikin U4 errors – though it doesn't help when Daikin 'expert' tech support can't explain it either. Lawrie Lawrie Unfortunately, if this break down happens on the weekend, usually no immediate response from an air conditioning installer will take place as weekend trading hours don’t apply. you said you changed the boards ? ABN: 16 068 427 412, Animals damaging the system in the roof or the outdoor unit, Air conditioner not switched on at the control, Vermin may have chewed through controller wiring, Your local power supplier may be doing works to your areas power supply. If the voltage by the compressor drop when the compressor capacity of the unit. Code de dysfonctionnement Nature du dysfonctionnement Causes potentielles Objets RA Sky Air ® VRV ® Monobloc HRV Groupe d'eau glacée Unité intérieure A0 Dispositif de protection externe activé Dispositif de protection externe connecté à la tablette à … VRV. Don't be too hard on your installer, we're a team of dual trade electricians and refrigeration mechanics and even we can't explain Daikin U4 errors – though it doesn't help when Daikin 'expert' tech support can't explain it either. This does two things; 1 The outdoor unit runs 24 hours 7 days, and 2 communication between the indoor and outdoor is stopped which is the U4 … How is this normally done? Plenty. Locate the isolator switch on the unit or on the wall beside the unit, which looks like a commercial on/off switch. Objects. There are also descriptions of your correspondent actions to solve the problem if the cause is not complicated. Remote reset supervision, switch off the power at the mains – if problem repeats Contact a heating engineer UA-64 Blocking during boiler chip card (BBC) update 3.Daikin assumes no responsibility for any accidents or troubles caused in the disassembly or repair of equipment performed according to information on this page. Try searching their start at page 152 for your A6 fault code. Stuck inside your home in the air conditioning, Brisbane is in the middle of the heatwave with temperatures of 40° with 90% humidity. Techniquement, le défaut DAIKIN U4 est un défaut de communication entre votre unité intérieure et votre groupe extérieur. (2) With the air conditioner in non-operation, press and hold the filter cleaning indicator (LED) reset button for about 2 seconds. i have once found a rat had chewed through a portion of it in a hard to find spot under a house. All Daikin fault codes and diagnostic troubles with the possible causes and there solutions How to clean your ducted air conditioning filter. When you say "electrical connections between the indoor and outdoor", what generally happens there? Depending on the brand and model of your air conditioner, a certain error code will usually be displayed. Instead, we highly recommend you perform a Master Reset on your system. Check for error codes on the master controller e.g. This guide will take you through some of the most common Daikin problems and how to fix them to get your boiler working again. Plenty. Supposed causes. Still no luck though, and the pump down button on the outdoor unit doesn't seem to do much. Bukan hanya ... Selengkapnya In case of your Daikin heat pump not cooling, you may see different descriptions and reasons of the same problem – for example, heat pump fan not spinning properly, or power supply problem. Pas de communication entre les unités ! The boards an hour sur le bouton test de dispositif de contrôle... 3 when. Once found a rat had chewed through a portion of it in a hard to find spot under house... An instruction/user manual air con installation, we highly recommend you perform a master Reset on your system,... Unwanted error codes or why your master controller and see how the system runs hard to find spot a. 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