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13-03-2010, 07:15 AM #1
Mitsubishi Heavy Industries - Inverter Service Manual.
Anyone know where i can find a service manual for Mitsubishi Heavy Industries Inverter split systems?
I have a system that i need to repair but don't know where to start. Indoor fan works and runs but cond fans or compressor don't start.
I opened up the case and can't see anything visually wrong, threw the gauges on and found that the unit contains the correct refrigerant (R410a).
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13-03-2010, 07:16 AM #2
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
The model number of the FCU is SRK712EA-S1.
The outdoor unit has no info on it.
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13-03-2010, 07:17 AM #3
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Re: Mitsubishi Heavy Industries - Inverter Service Manual.
Are you sure in your model#?
How old is that?Last edited by nike123; 13-03-2010 at 07:26 AM.
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13-03-2010, 07:21 AM #4
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
you must have posted that just as i posted the model number
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13-03-2010, 07:30 AM #5
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13-03-2010, 07:41 AM #6
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Re: Mitsubishi Heavy Industries - Inverter Service Manual.
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13-03-2010, 08:12 AM #7
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
yea thats the correct model number, is there any other pages? that one doesn't tell me a great deal.
The indoor fan runs perfect, but no outdoor fan or compressor.
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13-03-2010, 08:26 AM #8
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13-03-2010, 08:50 AM #9
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
There is no error codes on that image. it says to refer to page 121.
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13-03-2010, 09:01 AM #10
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
Will this help you
http://www.abacusairconditioning.co....lt%20Codes.pdfMy wife used to say you never listen to a word I say at least I think that what she said
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13-03-2010, 09:25 AM #11
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13-03-2010, 09:56 AM #12
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
Thanks nike123 & Toosh, i will post my findings here.
Does anyone have a complete service manual for this unit i can download & print? or know where i can obtain one?
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13-03-2010, 10:13 AM #13
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Re: Mitsubishi Heavy Industries - Inverter Service Manual.
Try here!
Still, it would be good to post your findings here even if you find manual.
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13-03-2010, 10:29 AM #14
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
thanks for the link nike123 but i can't access them as im not a member and i can't speak that language. If ipm you my email could you send me the manual for the unit please?
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13-03-2010, 11:36 AM #15
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Re: Mitsubishi Heavy Industries - Inverter Service Manual.
Use Google translate and develop some search skills!
http://translate.google.com/translat...eavy.php&twu=1
Apply for registration!
You youngsters are always expecting everything on plate.Last edited by nike123; 13-03-2010 at 12:44 PM.
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13-03-2010, 11:11 PM #16
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
why not go back to the mob who you got it from.im assuming actrol its strange that they cant help you out.
on that mandatory fact sheet it should also list have you googled itmmm to beer or not to beer...........lets drink breakfast
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13-03-2010, 11:47 PM #17
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
lowcool i didn't buy the unit, i just got the service call.
What is this mandatory fact sheet you speak of?
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14-03-2010, 12:01 AM #18
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
gday bundy
the fact sheet is a topic for suggestions for the forums.im not 100% clued up on back up from actrol but have found a fellow here called tony nighberg at the marleston store to be rather helpful.ive installed a few but as yet have not had go down the road you are now.happy fault finding fella.
cheers
sorry if ive misspelt your surname tonyLast edited by lowcool; 14-03-2010 at 12:18 AM.
mmm to beer or not to beer...........lets drink breakfast
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14-03-2010, 12:27 AM #19
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
Hi Bundy this is handy to have Fault Codes
http://www.abacusairconditioning.co....ult-Codes.html
TooshMy wife used to say you never listen to a word I say at least I think that what she said
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29-04-2010, 10:35 AM #20
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
Ok so what i found after attemptimg to get the unit in service mode.
LEDS on FCU flashed
2 x run +timer
2 x timer
1 x run + timer + econ
does anyone know what this means?
I'm starting to think i need to get a mitsubishi service person out there?
There were no codes displayed on the remote control, i attempted the service mode display procedure around 10 times.
Any help would be appreciated.
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30-04-2010, 09:32 AM #21
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
can anyone help?
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30-04-2010, 10:36 AM #22
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
how old is the system? as its a 71ZEA i would assume its still under its warranty (5 year residential, 3 year commercial)? If so get their service agent out
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30-04-2010, 10:59 AM #23
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
The customer doesn't have any proof of purchase or anything as he bought his business with the air cons installed.
He might just have to pay for a mitsubishi service agent to go out there.
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02-05-2010, 03:05 AM #24
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
Oh thats a pity, I thought it may have been a little lifeline for you. Although it is always beneficial to be able to sort out the problem for our own knowledge!
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03-05-2010, 06:13 PM #25
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
Hi call the company that sold this unit ,as they have records of who & when bought this unit ,just try and find the serial no'
good luckTHE DEFINITION OF A SMART PERSON IS ONE WHOM LEARNS FROM HIS MISTAKES!!!
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04-05-2010, 08:15 PM #26
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
i dont know if this is the same but i think it is
when you open the top is the pcb upside down if yes there is another board under there this is the inverter driver and runs the fan
i have had 3 of these die after a year or so in service
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03-06-2010, 06:43 PM #27
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
i had two of these pcb that drives fan /inverter fail
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04-06-2010, 10:09 PM #28
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
there is a hidden fuse on the inverter board this board is upside down it will need replacing(the pcb) . i had the same problem on a unit order all the outdoor pcb's to find only inverter pcb needed
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13-07-2010, 12:21 PM #29
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
Thanks for all you help everyone
I found a great link to the service handbook. http://www.mhiaa.com.au/docs/MHIAA_P...de_Book_A5.pdf
The fault im getting is error 22 which is outdoor pcb so im guessing it just the inverter pcb. I will order it and see how i go.
Anyone got any pointers how to replace these things? and do they hold any residual voltage i should be aware of?
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10-09-2010, 04:03 AM #30
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
Hi everybody,
the question of checking error codes reminds me of something I have been wondering about with Mitsubishis small splits (like the SRK25ZJX-S):
Is there a simple way to put the units in forced cooling for pump down?
None of the mitsubishi service manuals mentions this; those of any other manufacturer do.
Cheers,
-Dave
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16-09-2010, 07:39 AM #31
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
I come from VN. I readed the comemt of everybody. thanks so much. I just download MHI techniacal manual. I really need.
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17-09-2010, 07:33 AM #32
Re: Mitsubishi Heavy Industries - Inverter Service Manual.
Citing from Indoor Unit Installation Manual RKY012A007A:
Forced cooling operation
Turn on a power supply again after a while after turn off a power supply. Then press continually the ON/OFF button 5 seconds or more
hope this helps,
gnasch
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