Graco GMAX II 5900 - Convertible Electric Motor will Not Run

Troubleshooting
34 3A6400A
Convertible Electric Motor Will Not Run
Troubleshooting Procedure
(see following page for actual steps):
See Step 1. Is there
over 100 AC volts?
See step 2. Is there
over 100 AC volts?
Replace the power switch.
See Step 3. Is there
over 100 DC volts?
See engine test section.
Replace engine
control board.
YES
NO
YES
YES
YES
NO
NO
NO
Repair or replace
the power cord.
See Step 4. Is there
continuity through the
thermal sensor?
If engine is hot, let
cool and retest. If
step 4 still shows an
open, replace engine.