--- title: "Fisher & Paykel A5: the microwave system has overheated" description: "What A5 means on Fisher & Paykel A5: the microwave system has overheateds, what to check before booking, and when it is not a failure at all." url: "https://microwaverepair.center/error-codes/fisher-and-paykel-a5/" --- # Fisher & Paykel A5: the microwave system has overheated A5 is the second overheat alert on the Series 7 and Series 9 speed ovens, and it points at the microwave system rather than the cavity. ## What A5 actually means. A5 is the second overheat alert on the Series 7 and Series 9 speed ovens, and it points at the microwave system rather than the cavity. Long runs at full microwave power, a very small load or a cooling fan that no longer moves enough air can bring it on; the guide's answer is to cool down and reset the power. Fisher & Paykel microwave display What to do when A5 shows on the microwave ### Kind of code Heating and magnetron The microwave ran a cycle and the control saw no heat come of it, or saw the power section behave strangely. The cause sits somewhere in the chain that makes the energy: the magnetron, the high-voltage diode and capacitor, the transformer that feeds them. All of it lives behind the outer cabinet, where a capacitor keeps a dangerous charge even unplugged, so after a restart the owner's part ends at booking the visit. ### Usually leads to Microwave magnetron repair Replacing the tube that makes a microwave's heat, after proving the parts that feed it are sound, and renewing the waveguide cover and any pitted metal where sparks have been. ### Shows up as What a Microwave Error Code Is Telling You A microwave error code may be a letter and a number on the display, a lock or demo word, a row of dashes, or a beep with a blinking clock, and it can show while the microwave still heats or block every key until it is cleared. ### Make Fisher & Paykel Fisher & Paykel microwaves looked at where they are built in, with the first minutes spent on the door, its seal and the latch feel. ### Source Fisher & Paykel Series 7 and 9 convection speed oven user guide (OM24NDTDX1, OM30NDTDX1 and siblings) Printed in the use and care guide shared by the OM24NDTDX1, OM24NMTDB1, OM24NDTDB1, OM30NDTDX1, OM30NMTDB1 and OM30NDTDB1 convection speed ovens. The older OM24NDB1 and OM30NPX1 speed ovens do not list it; they report trouble as an F code kept in an event log. ## Before you book, in this order. Each step comes from Fisher & Paykel's own guidance for A5 on its microwaves. Follow it to the end: the last card says whether this is a visit. 01 Stop the program and keep the door closed while the fans cool the oven. 02 After the cool-down, cut power at the panel for a minute and restore it. 03 Never test the microwave mode empty; if you try again, put a cup of water inside. 04 If A5 returns, book a visit: the magnetron, its thermal cutout and the cooling fan sit inside the cabinet, which is never an owner job. ### Still there? It usually turns into [microwave magnetron repair](https://microwaverepair.center/services/microwave-magnetron-repair/). Book with the code and the model number. ### What not to do A5 is not the same as A1, which reports heat in the cavity as a whole. One A5 does not prove the magnetron is failing, but a repeat A5 is exactly where we test it first. ## What you may notice with it. The microwave problems A5 tends to arrive with. Answer these at the microwave before anyone is booked. [All problems](https://microwaverepair.center/problems/) Before you call ### [What a Microwave Error Code Is Telling You](https://microwaverepair.center/problems/microwave-error-code/) [All 7 causes, cheapest first](https://microwaverepair.center/problems/microwave-error-code/) It also comes with - [**Microwave Runs but Food Stays Cold**](https://microwaverepair.center/problems/microwave-not-heating/) - [**Microwave Shuts Off Before the Timer Ends**](https://microwaverepair.center/problems/microwave-stops-mid-cycle/) - [**Loud Hum, Buzz or Grinding From a Microwave**](https://microwaverepair.center/problems/microwave-loud-humming-or-buzzing/) Problem ### What a Microwave Error Code Is Telling You 7 causes, cheapest first Where A5 usually leads ## Microwave magnetron repair. **Magnetron and waveguide cover · moderate to highest.** Book a visit [What the job involves](https://microwaverepair.center/services/microwave-magnetron-repair/) ## Fisher & Paykel microwaves. Fisher & Paykel microwaves looked at where they are built in, with the first minutes spent on the door, its seal and the latch feel. [Fisher & Paykel microwave repair](https://microwaverepair.center/brands/fisher-and-paykel/) More Fisher & Paykel codes [A1](https://microwaverepair.center/error-codes/fisher-and-paykel-a1/) [F + number](https://microwaverepair.center/error-codes/fisher-and-paykel-f-number/) [LOCK](https://microwaverepair.center/error-codes/fisher-and-paykel-lock/) [ERROR](https://microwaverepair.center/error-codes/fisher-and-paykel-error/) [DEMO ON](https://microwaverepair.center/error-codes/fisher-and-paykel-demo-on/) [WELCOME PRESS CLEAR AND PRESS CLOCK](https://microwaverepair.center/error-codes/fisher-and-paykel-welcome/) Heating and magnetron on other makes [JennAir F3T4](https://microwaverepair.center/error-codes/jennair-f3t4/) [KitchenAid F3T4](https://microwaverepair.center/error-codes/kitchenaid-f3t4/) [All 5 codes of this kind](https://microwaverepair.center/error-codes/#family-heating) Fisher & Paykel builds this ### Microwave hood combination The microwave that hangs from the wall cabinets above the burners, heating food in its cavity while its own fan, light and filters handle the steam and grease rising from the pans beneath it. Fisher & Paykel builds this ### Built-in microwave A microwave set into a tall cabinet or a wall of cabinetry at eye level, either a countertop body wrapped in a trim kit or a true built-in model, including speed and convection microwaves that brown as well as heat. Fisher & Paykel builds this ### Microwave drawer A microwave built under a counter or into a kitchen island that opens like a drawer at the touch of a key, with a motor and gears sliding its cavity out toward you. ## In Fisher & Paykel's own words > Microwave system has overheated. [Fisher & Paykel Series 7 and 9 convection speed oven user guide (OM24NDTDX1, OM30NDTDX1 and siblings)](https://dam.fisherpaykel.com/KZ3PKN00/at/4jnjc3p8tsrcn5sw372gqn9/FP-UserGuide-en-OM24NDTDX1-OM24NMTDB1-OM24NDTDB1-OM30NDTDX1-OM30NMTDB1-OM30NDTDB1-SpeedOven-0-431936B-US-CA.pdf) [Fisher & Paykel Series 7 and 9 convection speed oven user guide (OM24NDTDX1, OM30NDTDX1 and siblings)](https://dam.fisherpaykel.com/KZ3PKN00/at/4jnjc3p8tsrcn5sw372gqn9/FP-UserGuide-en-OM24NDTDX1-OM24NMTDB1-OM24NDTDB1-OM30NDTDX1-OM30NMTDB1-OM30NDTDB1-SpeedOven-0-431936B-US-CA.pdf) [Fisher & Paykel Series 7 and 9 convection speed oven user guide (OM24NDTDX1, OM30NDTDX1 and siblings)](https://dam.fisherpaykel.com/KZ3PKN00/at/4jnjc3p8tsrcn5sw372gqn9/FP-UserGuide-en-OM24NDTDX1-OM24NMTDB1-OM24NDTDB1-OM30NDTDX1-OM30NMTDB1-OM30NDTDB1-SpeedOven-0-431936B-US-CA.pdf) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Printed in the use and care guide shared by the OM24NDTDX1, OM24NMTDB1, OM24NDTDB1, OM30NDTDX1, OM30NMTDB1 and OM30NDTDB1 convection speed ovens. The older OM24NDB1 and OM30NPX1 speed ovens do not list it; they report trouble as an F code kept in an event log. ## Fisher & Paykel A5 microwave repair, where we come out. The same visit in every metro below: the code, the model number, and a diagnosis before any part is ordered. 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Stop the program and keep the door closed while the fans cool the oven. If it comes back, it needs a visit. ### What makes A5 appear on a Fisher & Paykel speed oven? Anything that lets the microwave section run hotter than it should: long full-power runs, very small or empty loads, or a cooling fan that is slowing down. The code is the oven protecting that section before damage is done. ### Why are the fans still running after A5 stopped my cooking? That is normal and wanted. The guide says the cooling fans keep going after the oven is off, and they are what brings the microwave section back down to a safe temperature. ### Does A5 mean the magnetron has to be replaced? Not by itself. If A5 comes back after a cool-down and a power reset, the magnetron, its thermal cutout and the fan all need testing, which is done on a visit with the cabinet closed to the owner. --- **[Read on the site: Fisher & Paykel A5: the microwave system has overheated](https://microwaverepair.center/error-codes/fisher-and-paykel-a5/)** **[Book a visit with MicrowaveRepair.center](https://microwaverepair.center/schedule/)**