wsan-xin 71 error problem

[Eugeni]

Hello.
I have wsat-xin 71 and when it working sometimes comes error - E070 . I read all manuals but not found information about this error. Please help, what it is?

Thank you.

[chemi-cool]

http://www.waterware.co.nz/pdfs/Heating%20PDF%27s/Heatpumps/HPC%20OEM%20Installation%20manual.pdf

[install monkey]

no Eo70 fault in that manual chemi

[Eugeni]

http://www.waterware.co.nz/pdfs/Heating%20PDF%27s/Heatpumps/HPC%20OEM%20Installation%20manual.pdf

Unfortunately in this manual missing error E070 . That because i ask this question from you.