NIKKISO DDB 05 TFD212 TEST BALANCE

[jougounou]

plz how can i  solve
TFD212 TEST BALANCE (-) failled

[John Moore]

This is almost certainly a leak in the main flow-path of the machine. It could be either drawing air into the hydraulics (look for small cracks in the hard plastic components) or fluid leaking out. Also check the poppet valves and the seals on the duplex pump.