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Thread: Toshiba vrf !!!! Help
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15-03-2013, 07:03 PM #1
Toshiba vrf !!!! Help
Hi fellas , I'm a big stuffed as I have a call out tomorrow to a toshiba vrf 410 system , now all I'm told is that some rooms are showing an L20 fault ?
I'm used to working with daikin and don't have a clue what an. L20 is or how to possible rectify it... And tosh tech won't be open on Saturdays !!!
So I'm relying on you lot to help me out here .. Please !!!
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15-03-2013, 07:06 PM #2
Re: Toshiba vrf !!!! Help
By the way the model for outdoor is mmy-map080ft8-e if that helps
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15-03-2013, 07:29 PM #3
Re: Toshiba vrf !!!! Help
L20 is a duplicated centralized control address. email me dangcornish@hotmail.com if you want the service manual
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15-03-2013, 07:35 PM #4
Re: Toshiba vrf !!!! Help
I know that this site does not have a centralised controller , all seperate bedroom controls , no bms also
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15-03-2013, 07:41 PM #5
Re: Toshiba vrf !!!! Help
Any help in solving the problem would help and why this may of happened ??
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15-03-2013, 08:01 PM #6
Re: Toshiba vrf !!!! Help
http://www.mediafire.com/view/?haobmm1zunbom8d service manual
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15-03-2013, 08:07 PM #7
Re: Toshiba vrf !!!! Help
L20 – – 98
AI-NET
Indoor
unit
Duplicated
central control
address
All stop There is duplication in central
control address setting.
• Check central control
addresses.
• Check network adaptor
P.C. board (applicable to
AI-NET).
1 . You are precisely sure, what there is no central panel? And schedulings...
2 . As far as the quantity of indexes of internal blocks differs from a possible maximum of 130%
3 . You tried to make automatic readdressing?
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15-03-2013, 08:07 PM #8
Re: Toshiba vrf !!!! Help
Yeah iv had a look at service manual , but dunno what the addresses would be , I know this site has no paperwork commissioning sheets
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15-03-2013, 08:12 PM #9
Re: Toshiba vrf !!!! Help
There is no central control !! I know that as I done the maintenance thee at Xmas , all workin fine then , how could a duplicate happen ??? Automatic re addressing ? What is that and how ? And number 2 on your quote rusbuka what's that mean , pardon me if I sound s little thick but don't have much experience with tosh
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15-03-2013, 08:13 PM #10
Re: Toshiba vrf !!!! Help
if theres no commissioning info on site- start mapping out addresses on units- sometimes ur lucky and the install monkey has scribbled the addresses on the indoors- shouldn't take u too long to find out which address is duplicated- hopefully theres a local remote with a flashy light on it- hopefully there aint 64 indoors where a muppet has been tinkering!!! -good luck
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15-03-2013, 10:50 PM #11
Re: Toshiba vrf !!!! Help
If capasity of indoor units more outdoor 130%, on site was problems.
Dip sometimes dont help. Simply try to dump everything, and to make automatic addressing on the new.