Intermitent Daikin Fault Code?

[sinewave]

Hi Guys,

I have a R410A VRV system running 10 convertible units.

It's thrown up a E0 code on the controller which is an 'Outdoor activation of outdoor safety device'.

Someone else has been here before and couldn't find anything amiss and after a power down and re-enrgisation all has ben well for a few weeks.

Any pointers before I show my face next week as I'm not au-fait with Dakin kit really? :(

[superswill]

heres a link from another thread with some download info that should help (thankx peter)

http://www.refrigeration-engineer.com/forums/showthread.php?t=9964&highlight=daikin

this fault has been covered alot on here so doing a search on here should help you

http://www.refrigeration-engineer.com/forums/showthread.php?t=4843&highlight=Daikin

http://www.refrigeration-engineer.com/forums/showthread.php?t=9111&highlight=Daikin

http://www.refrigeration-engineer.com/forums/showthread.php?t=8399&highlight=Daikin

but from memory

E0: things to look for

LP switch
HP switch
compressor thermal cut out
condenser fan thermal cut out (had this alot)

iam sure theres more but ive only had one cup of coffee
anybody else think of any?

[sinewave]

Looks like the Fan motor maybe the most likely culprit it seems?

[philjd26]

hi, i had this problem on an r22 system..put all units in to full cooling and check operation of all components ,fans ,compressor, and gas charge...its hard to determine charge on vrv but what i noticed was my liquid line was sweating which is not meant to be you should get a warm liquid....found the system short of charge and was tripping on eo every few hours...
rgrds phil

[superswill]

Looks like the Fan motor maybe the most likely culprit it seems?


if the motor was faulty ie didnt run i would expect a HP fault (E7 i think) but the E0 fault just refers to outdoor "safty" not a specific component so id check the above first

[sinewave]

Went to site on Friday and there was no trace of a fault on the display and all seemed well! :(

[superswill]

Went to site on Friday and there was no trace of a fault on the display and all seemed well! :(

loose connection?

[yinmorrison]

Came across this recently and after numerous resets, change of main pcb and further call outs i ordered the two sensors connected to measure the suction temp ( I think it was xn15 & xn16 from memory ) I did this because when I was checking the resistances I noticed that they fluctuated when I had the leads connected. I did this 3 weeks ago and have had no problems since. This was also on a 410a system. Incidentally on some 407c Daikin systems ther has been a problem with French condensor fans fitted and this threw up the same problem.

[sinewave]

Cheers Vin for that.


Touch wood the systems ran OK for a couple of weeks without error so I'm keeping my head down and my fingers crossed! :p


Them condesors are a long way up! :(

[brunstar]

Hey Buddy i would start with checking the compressor motor overloads and fan motor overloads, if the system is not running just check the inputs to the outdoor control pcb.
Do you know the model number?
i will have a solution for you..


Hi Guys,

I have a R410A VRV system running 10 convertible units.

It's thrown up a E0 code on the controller which is an 'Outdoor activation of outdoor safety device'.

Someone else has been here before and couldn't find anything amiss and after a power down and re-enrgisation all has ben well for a few weeks.

Any pointers before I show my face next week as I'm not au-fait with Dakin kit really? :(

[brunstar]

nah not likely..


if the motor was faulty ie didnt run i would expect a HP fault (E7 i think) but the E0 fault just refers to outdoor "safty" not a specific component so id check the above first