Bissell ProHeat 2X 8920 Series Service Manual | Page 4

Bissell Vacuum Cleaners Service Manual - ProHeat 2X 8920 Series.
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Bissell ProHeat 2X™ Service Center Guide 

Issued:  September, 2005 
© 2005 BISSELL Homecare, Inc. 

 

       Page 4 of 22 

Quick reference troubleshooting chart 

 

Problem 

Possible cause / Check for… 

•  Low/No spray to floor and 

upholstery hose 

•  Tank is warped and/or not sealing properly 

•  pinched/clogged line 
•  defective bridge rectifier 

•  defective pump  

•  faulty auto load receiver 
•  defective component allowing air into system 

•  pump not mounted so it can move freely 

•  clogged heater 
•  defective circuit board 

 

 

•  Spray through hose but not to the 

floor 

•  clogged spray tips 

•  defective solenoid valve in the base  

(if solenoid is defective, the heater is to be 
replaced as well) 

•  defective trigger microswitch in upper handle 

 

 

•  Pump motor does not run 

•  defective rectifier 

•  defective motor 

 

 

•  Unit does not spray solution, only 

water 

•  defective auto load receiver or solution tank 

•  defective manifold assembly 

 

 

•  Good spray for a couple of 

seconds then dies off 

•  kinked tube 
•  tanks not completely inserted into receiver 

 

 

•  Bubbles coming into the water 

tank from auto load assembly 

•  bad weld on auto load receiver 

 

 

•  Large bubbles in upholstery hose  •  defective pump 
 

 

•  Both brushes not spinning 

•  left side belt broken 
•  defective micro switch 

•  defective brush motor 

•  defective circuit board 

 

 

•  Front brush not spinning 

•  right side belt broken 

 

 

•  Brush is noisy (rattles) 

•  bushings have spun in dowel 

 

 

•  Low suction 

•  clogged filter or clogged air path 
•  stuck float 

 

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