BACK UP and BACK DOWN Functions Do Not Work

Midmark Ritter 119 Exam Table Troubleshooting

 

Problem Sympton Probable Cause Check Solution
BACK UP and BACK DOWN functions do not work. All other functions work Motor pump runs when BACK UP or BACK DOWN foot pedal is depressed, but table does not move Back Cylinder solenoid valve is malfunctioning Check to see if Back Cylinder solenoid valve energizes (audible click) when foot pedal is depressed Replace Back Cylinder Part #MIC114-6319
    Needle valve is plugged or adjusted closed (needle valve is only on some older units) Check to see if needle valve is out of adjustment Adjust or clean needle valve. If necessary, replace needle valve
    White/black wire running from terminal 3 of foot switch to terminal block is broken or disconnected Check continuity of wire and connections Clean any dirty connections. Tighten any loose connections. Replace any damaged connections
    Wire running from terminal block to back cylinder solenoid valve is broken or disconnected Check continuity of wire and connections Clean any dirty connections. Tighten any loose connections. Replace any damaged connections
  Motor pump runs when BACK UP or BACK DOWN foot pedal is depressed, but back section moves too slowly or too quickly Needle valve is plugged or adjusted closed (needle valve is only on some older units) Check to see if needle valve is out of adjustment Adjust or clean needle valve. If necessary, replace needle valve

 


allclaveparts.com widget logo