PROBLEM
POSSIBLE CAUSE
CORRECTIVE ACTION
Low or No Vacuum
(Motor Running Okay)
Tank Drain Check Valve Blocked Open
Clean Tank Drain Check Valve
Clogged Vacuum Line
Locate and Remove Clog
Vacuum Controller Stuck Open
Repair or Replace Vacuum Controller
Vacuum Leaks
Locate and Repair Leaks
Worn or Broken Vanes
Exchange Pump Head
Motor Does Not Run
"Tripped" Breaker
Reset Breaker
"Tripped" Motor Overload
Reset Motor Overhead
Motor Failure
Replace Motor
Failed Control Component
Replace Failed Component
"Vacuum Pump Error" Fault
See "Vacuum Pump Error" Fault Below
"Tank Float Error" Fault
See "Tank Float Error" Fault Below
Liquid Comes Out of Exhaust
Unit Unlevel
Level Unit
Foam in Tank
Use Non-foaming Line Cleaner
Improper Oil
Change to Recommended Oil
"Vacuum Pump Error" Fault
High Ambient Temperature
Lower Ambient Temperature
High Vacuum Pressure
Lower Vacuum Pressure
Improper Oil
Change to Recommended Oil
Oil Comes Out of Exhaust
Incorrect Electrical Installation
Correct Installation
Motor Failure
Replace Motor
"Tripped" Motor Overload
Reset Motor Overload
"Tank Float Error" Fault
Separating Tank Overfilled
Drain Separating Tank
Separating Tank Drain Check Valve Stuck
Clean Separating Tank Drain Check Valve
Clogged Drain Line
Locate and Remove Clog
Drain Shut-off Valve Closed
Open Drain Shut-off Valve
Tank Float Switch Stuck
Replace Tank Float Switch
Facility Drain Elevated Abouve Tank Drain
Raise Unit
Maintenenace Alert
Preventive Maintenance Due
Perform Preventive Maintenance
26
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SECTION VI - USER SERVICE INFO
TROUBLESHOOTING