Hoover Optima Fault Codes (Carbon Brush Motor)

These fault codes for Hoover Optima (OPH) Series washing machines cover what Candy class as using the "Cuore" board which is Italian for "heart". These washing machines and the Cuore board is used on washing machines produced in the Candy factory in Brugherio.

Please note that these codes are only for the washing machine and washer dryer models that have a brushed motor, that is to say, a motor that has carbon brushes fitted. The fault codes for the models with an induction motor are slightly different and listed in a seperate article. If you're confused by this our advice is simply, don't attempt a repair yourself!

The "Cuore" Control Modules feature a potentiometer used for the program selector directly welded onto the printed circuit board.

The new "Cuore" Control Modules were fitted on the following ranges of washing machines, starting from the production date 0829 (on the serial label) to the following ranges. Ordinarily the range is designated by the first few characters of the model numbers so, if your model number starts with these letters then these fault codes should relate to your washing machine.

These fault codes will apply also to washing machines from Candy and Zerowatt and may apply to other Candy made models sold under other brands in Europe.

Hoover Washing Machine Range

Reading The Hoover Optima Washing Machine Fault Code

The error code is displayed as a digital code, exactly as you will see below, you will get a blinking or flashing light on the front of the washing machine and the number of flashes determines the fault number, so you need to count them up. The flashes will then pause for approximately five seconds then the sequence of flashes will repeat.

Please also note that many of the codes highlight that wiring faults can cause the error being reported, this can include faulty or dirty connections as well as physical wiring damage or loose connection blocks etc.

Hoover Optima Washing Machine Range Diagnostic Routine

Test Sequence

Hoover Optima Washing Machine Electronic Controller Replacement

These PCB's are often model specific, that is to say that they are dedicated to a particular model or range of model numbers that share the same basic features, do not take it for granted that because they all use the same fault or error code reporting system that they are all the same because they're not. It is also not the case that when it says that there's a communication error or suchlike that the electronic control board is faulty, if you choose to replace it you do so completely at your own risk.

Most of our approved repairers will be able to carry out these sorts of repairs for you at a reasonable cost.

If they make a mistake they have to pay for a replacement board, if you make a mistake then it would be you paying for it and it's not worth the risk.

Before you start any investigation of the fault or even remove the lid of the washing machine or washer dryer please read and fully understand this article in full and pay particular attention to the safety and information notices at the bottom of this page as they contain extremely important information!

Please remember to support our site by buying Hoover spares from our store here and, if you decide that you really need an engineer please support the local repairers that help make this site possible, you can search for a repairer from the link below.

Hoover Optima Washing Machine Fault Codes For The OPH Range

These fault codes are written for washing machine repairers and not for the general public by Candy Hoover and they assume a certain level of competence on the part of the user in diagnostic routines. We have added some notes to try to assist you in determining the nature of the fault you have but, you will still need to investigate each failure on its own merits. For more help and advice on fault finding on a washing machine please refer to our basic fault finding guide from this link before you begin.

Please check that your Hoover washing machine spares recommended are suitable for use on your particular model and serial number. If you are unsure about the suitability of any spare part please ask to ensure that you get the correct spares for your washing machine or washer dryer. Please, don't guess or assume as spares can be altered on a production run with the same model number having several different alternative components used.

Error 0

Faulty coreboard electronic module
  • Check connections to main control module

Error 1

Door safety lock error
  • Check door is closed and latched correctly
  • Check wiring
  • Check door lock
  • Check drum braking device if fitted

Error 2

Not filled in preset time allowed - washing machine does not fill
  • Check mains water pressure
  • Check inlet hoses for kinks
  • Check inlet filter
  • Check water inlet valve
  • Pressure switch fault
  • Wiring fault

Error 3

Not drained in time allowed - washing machine fails to drain water
  • Check that filter is not blocked or obstructed
  • Check drain hose is clear of any blockage or obstruction
  • Check wiring to drain pump
  • Check drain pump is not defective
  • Check level sensor or switch
  • Check wiring to level sensor

Error 4

Multiple instances of anti-flood contacts in pressure switch being made
  • Check for overfoaming evidence - can trip pressure switch
  • Check wiring to level sensor
  • Check pressure switch is not defective
  • Water inlet valve locked open

Error 5

NTC fault - temperature sensor detected as either open circuit or shorted
  • Check wiring to temperature sensor
  • Check thermistor

Error 6

EEPROM failure - defective electronic controller
  • Check wiring
  • Check electronic control PCB

Error 7

Motor jam detected or door interlock faulty

See Error 1 for more on the door interlock

  • Check motor connector block
  • Check wiring
  • Check motor carbon brushes
  • Check tacho connections
  • Check motor

Error 8

Motor tacho fault - washing machine motor tacho detected as open circuit or shorted
  • Check motor connector block
  • Check wiring
  • Check tacho connections
  • Check motor

Error 9

Short circuit motor triac on electronic module
  • Check wiring
  • Check electronic controller

Error 12

Communication error between electronic control boards and wiring
  • Check wiring and harness between control boards
  • Check electronic control modules

Error 13

Communication error between boards and wiring
  • Check wiring and harness between control boards
  • Check electronic control modules

Error 14

Water heating error detected or corebaord fault
  • Check wiring to wash heater and thermostats
  • Check wash heater for continuity
  • Check NTC (temperature sensor) probe

Error 15

Defective control module - Not programmed Cuore control
  • Reprogram electronic controller
  • Replace electronic controller

Error 16

Water heating element detected as short circuit
  • Check for defective electrical insulation
  • Check water heating element
  • Check water heater wiring

Error 17

No signal from motor tachometric generator
  • Check motor connector block
  • Check wiring
  • Check tacho connections
  • Check motor

Error 18

Defective control module - also can be wrong electrical input frequency
  • Check wiring to electronic controller or both if two used
  • Check electrical input frequency
  • Check mains electrical supply