Graco LP 555 Operation - Repair - Parts page 33

Problem
3A4203B
What to Check
Troubleshooting
How to check
6.Connect the Red and Black leads
from the motor to an Ohm meter.
Rotate the motor while checking for
opens. If an open is found replace
the motor.
BLACK (-)
RED (+)
1-3 ohms
-
7.Check motor thermal protection.
Motor should be at ambient
temperature for this test. Connect
the yellow leads from the motor to
an Ohm meter. Meter should
indicate continuity or Ohms
depending on the motor type.
BLACK
RED
YELLOW
YELLOW
ti24723a
ti24725a
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