Question about Haier HDP18PA Stainless Steel Free-Standing Dishwasher

2 Answers

HDW101SS does not heat water. Heater element mearures 28 Ohms. Temp Limiter is N.C. Temp controllers TS50 & TS60 not found. On economy wash timer moves as normal then stops when red heater light should come on. If the timer is assisted one click it will progress as normal but no hot water.

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  • Alf Licciardello May 23, 2011

    Hello Daniel,

    Is the HDP18PA the same as HDW101SS?

    Can the Temp.controllers TS50 & TS60 be tested without removing the side panels?

    Is the front panel you mentioned in the door or under the tub assembly?

    The timer progresses through the full cycle after it is assisted indicating that a signal is not reaching the timer at heating stage and allowing it to continue the sequence.

    Cheers Alf

  • Alf Licciardello May 25, 2011

    I am now confused as my query was for a HDW101SS and the reply was for a HDP18PA.

    What is the difference between the HDW101SS and the Haier HDP18PA?


    Where exactly are the Temp controllers TS50 & TS60 ?

    I have checked the Temp. Limiter as N.C. It is the self resetting device which replaced the manual reset version that was constantly tripping off.

  • Don T. Neetano Oct 15, 2013

    You say the temp limiter is N.C., that sounds like a relay. Temp limiters are usually ptc or ntc and can be read in ohmes (isolated) by touching.

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  • Haier Master
  • 19,396 Answers

Hi.

If the temp limiter shows no continuity, there will be no voltage reaching the element contacts. The high limit is connected in series with the heating element. If the hi limit is open the element will not get power. Any technician will tell you the same. Unless the temp limiter blows again you do not even need testing the other two thermostats. Temp limit may blow because of occasional overheating. If it blows more than once there is either a shorted thermostat, a defective CCU(control module), or an heating element that stays always on because of a short.

Here how it works- CCU is control module powering the element in the mid part of the cycle:

C-------------Temp limit---TS---TS-----\
C ELEMENT
U-----------------------------------------------/


Replace the defective high limiter. That will do the job. If it doesn't, test and replace the other two thermostats located at the bottom side of the appliance. A shorted thermostat will read zero Ohms or very low impedance (
Regards.

Ginko

Posted on May 24, 2011

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  • Ginko
    Ginko May 25, 2011

    Hi.

    I checked service manual and I found a more extensive explanation. F9 is not necessarily the controller, but there may also be a problem with the motor. Since you have had a code indicated rotation problem, then the motor may also cause the issue. F9 may also be a temporary fault, as explained in previous comment.

    If F9 goes away disconnecting power, then the fault was temporary. While power is OFF, check that there is no lose wiring harness. A disconnected wiring harness may result in F9. If F9 comes back, then the appliance needs a major repair.

    F9 :Power Supply/Controller fault.


    Isolation relay disabled,
    disconnect then reconnect power enable relay.

    Action
    - If previous fault was F3, F8 or F9 then this F9 is a consequential fault.
    - If fault was displayed after power on, check solenoid coils and
    motor stator.
    - Check lid actuators.
    - Check electronic controller for signs of damage, overheating or blown components.
    - Test solenoid coils and motor winding resistances before eventually replacing a controller.
    - Check top
    controller chassis and power harness are properly connected and no wires are loose. If controller is not receiving power from
    bottom tub F9 will be displayed.
    - Replace controller only after testing all the parts listed above.

  • Ginko
    Ginko May 25, 2011

    Hi.

    I am sorry. I just posted an answer for a Fischer Paykel with an F9 on your thread BY MISTAKE. I was working on the other problem at the same time.


    Please disregard my last comment about F9.

    About your problem, your dishwasher is not the same as HDP18PA. I am NOT Daniel, and I do not work in team with him. My answers have nothing to do with Daniel's ones. We do not even see each other questions. Please use one expert only. The last expert you answer will be rewarded even if there is no reply or even if the info provided was not correct.

    HDP18PA is not the same as your model and has not the same part location.

    Please choose an expert and keep working with the same expert. Read my previous comment and start replacing the high limiter. The cycling thermostats should be OK. The cycling thermostat is located near to the element at the bottom side of the appliance. Unfortunately I do not have schematics because the appliance is Australian.
    Replace the high limiter, if it reads n.c. it is faulty.

    Regards.

    Ginko

  • Ginko
    Ginko May 25, 2011

    About the reply from the other expert being for HDP18PA, that is due to the fact that when you have chosen the model you have selected HDP18PA in the auto compiling Fixya form. The title of your question says that the question is for HDP18PA.

    The difference between
    HDW101SS and HDP18PA is model and year. HDW101SS is a more recent model. They are both Haier and the structure is similar. Both appliances use a thermal limit, an element and one of two cycling thermostats in the heater assembly. The thermostats are located at the base of the appliance, watching from front side of the appliance they should be at the left of heating element. The Haier dishwashers that I have seen used only one thermostat. If the thermal limiter is open, then replacing the thermal limiter should do the job.

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  • Master
  • 4,323 Answers

Hi

The heating element is to maintain the heat. If you have already tested the thermostat(s) located at the bottom front panel of the unit and the issue is still not resolved then the issue is with the timer/control that is bad and should be replaced. Hope this helps...please post back for further assistance.

Daniel

Posted on May 23, 2011

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