P-MAX DIAGNOSTICS
• Active Charge Assembly
– Drain Barrel until tank pressure is 0 Psi
– Verify active charge regulator is 2 to 4 Psi above the “FULL” pressure
using tire gauge, adjust if needed.
• Expansion Tank
– Verify if there is a torn bladder by determining whether syrup is on
CO2 side of expansion tank
• Solution & CO2 Module
– Check solenoid seal for tear
– Check solenoid seating is properly installed
• Pressure Transducer Offset or Harness
– Check power to pressure transducer is 3.3 DCV
– Plug into the known pressure and verify pressure readout
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