Technical Manual
31. May 2007 Revision: V1.10 6-5
Copyright © 2007, JohnsonDiversey, Inc.
08.0 swingo 450B - trouble shooting.fm - 31. May 2007
6.5 Brush motor does not switch on
Part Position Order
No.
Do/ Perform If Then Else
Limit
switch
05/123 4122743
• Check if the limit switch is
able to switch
• Disconect the limit switch
• Measure the resistance or
perform „beep“ test
• Actuate the limit switch
Switch on/ off Check micro
switch
Exchange limit
switch
Micros-
witch
01/108 41021120
• Check if the micro switch is
able to switch
• Disconnect the micro
switch
• Measure the resitance or
perform „beep“ test
• Actuate the limit switch
Switch on/ off Check brush mo-
tor power
Exchange limit
switch
Connec-
tion block
06/117 4082740
• Activate limit switch and
micro switch
• Measure voltage at
connection block
Voltage present Check carbon
brushes
Exchange brush
motor
Check electronics
450B
Exchange elec-
tronics 450B
Table 4: Troubleshooting - Brush motor does not switch on