Hobart 60CU20 Operation And Maintenance Manual With Illustrated Parts List page 121

OM-2226 / Operation and Maintenance Manual
60CU20 / Series 500062 / 400 Hz. Generator Set
10) Troubleshooting Tables
a) GPU Commands
Cmd
code
00. _ _ Invalid Command
01. _ _ ENGINE SELF-TEST CMD
40. _ _ ENGINE START MODE
50. _ _ ENGINE IDLE MODE
55. _ _ ENGINE RAMP UP
63. _ _ REG TEST OUTPUT FREQUENCY
68. _ _ CTL TEST OUTPUT
70. _ _ ENGINE RUN MODE
75. _ _ ENGINE RAMP DOWN
ENGINE DELAYED SHUTDOWN
80. _ _
MODE
90. _ _ ENGINE STOP MODE
99. _ _ System Off Mode
May 2, 2013
Revision 2
GPU Commands
Name
-- End of Command Table --
All boards test the communication between each other.
Engine starter and engine's ECM is activated.
Engine idles at approximately 1000 RPM
Period when engine goes from idle to rate speed
Check for 400 Hz. output frequency
Check the CTL communications
The engine is at rated speed and ready for aircraft load.
Period when engine goes from rated to idle speed
Allows the turbocharger to cool properly
Engine is brought to a complete stop
All electrical circuits have been turned off
Description
Chapter 2-4
Page 21