V5 X VRF 50/60Hz 
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Part 5 - Diagnosis and Troubleshooting 
4 Troubleshooting   
4.1 Warning 
 
 
   
 All  electrical  work must    be    carried    out    by  competent    and  suitably    qualified,    certified    and   
accredited  professionals  and  in  accordance  with  all  applicable  legislation  (all  national,  local  and  other  laws, 
standards, codes, rules, regulations and other legislation that apply in a given situation). 
Power-off the outdoor  units before connecting or  disconnecting any  connections  or  wiring,  otherwise electric 
shock (which can cause physical injury or death) may occur or damage to components may occur.