How to troubleshoot the LPEr and HPEr alarm codes on a Sinoclima truck refrigeration unit?
How to troubleshoot the LPEr and HPEr alarm codes on a Sinoclima truck refrigeration unit? There are five reasons for LPEr Alarm. 1,System pressure is too low. 2,Low-pressure switch damage. 3,Low pressure switch disconnection. 4,Controller damage. 5,R134A Chill unit pressure switch.
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