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1061DOC Rev C
Effective date: 6-Mar-14
RAMVAC Bison
®
User Guide
Problem
Possible Cause
Corrective Action*
Low or No Vacuum
(motor running okay)
Tank Drain Valve Blocked Open
Clogged Vacuum Line
Filtrols Check Valve Not Sealing
Vacuum Leaks
Loose or Broken Drive Belt
Stuck Vanes
Clean Tank Drain Valve
Locate and remove clog
Repair or replace Check Valve
Locate and fix leaks
Tighten or replace Belt
Clean and lubricate Vanes
Motor Does Not Run
“Tripped” Breaker or Fuse
“Tripped” Motor Overload
Motor Failure
Failed Control Component
Fault Condition
Reset Breaker / Replace Fuse
Reset Motor Overload
Replace Motor
Bypass then replace failed component
See appropriate fault condition
Drip Rate Slow
Low Ambient Temperature
Dirty Oil Filter
Improper Oil
Raise ambient temperature
Clean Filter
Change to recommended oil
Drip Rate Fast
High Ambient Temperature
High Vacuum Pressure
Improper Oil
Lower ambient temperature
Lower vacuum pressure
Change to recommended oil
Oil Comes Out Exhaust
Incorrect Exhaust Installation
Oil Reservoir Overfull
Bypassed Moisture Fault
Correct Installation
Lower oil level
See “Filtrols Moisture Fault”
“Filtrols Moisture “ Fault
Separating Tank overfilled
Separating Tank Drain Valve Stuck
Foaming Line Cleaner used
Cold Sterilization Solution aspirated
Drain Separating Tank
Clean Separating Tank Drain Valve
Use “Slugbuster” Line Cleaner
Aspirate only non-foaming substances
“Low oil” Fault
Oil in reservoir is too low
Add Oil
“Water in Exhaust” Fault
Water entered from Exhaust Pipe
( No moisture in Filtrols )
Drain water from Oil
Correct Exhaust Pipe Installation
Water entered from Filtrols Side
( System was run in Bypass )
See “Fault Response and Avoidance”
Maintenance Required
Preventative Maintenance Due
Perform Preventative Maintenance
*Abbreviated information. For details contact your authorized dealer or RAMVAC, or refer to the “Support” section of www.ramvac.com .
Troubleshooting
