Maintenance Section; Troubleshooting Guide - Ingersoll Rand EC24E Manual Del Usuario

Maintenance procedures have the potential for severe shock hazard and should be
performed by qualified personnel.
Trouble
No Power
Faulty braking
Speed Control does not work

MAINTENANCE SECTION

TROUBLESHOOTING GUIDE

Probable Cause
Fuse
Power Switch
Power Cord
Transformer
Circuit Board
Circuit Board
Speed Potentiometer
Circuit Board
9
Solution
Disconnect Power Cord. Replace fuse.
Disconnect Power Cord. Use ohmmeter to check
yellow and black leads at Switch. Reading should
be 0 to full scale when switched from on to off.
Use Voltmeter to check white lead at terminal
block and black lead at Switch. Reading should
be 230VAC.
Use voltmeter to check the two yellow leads from
the Transformer. Reading should be 24 VAC.
Replace the Circuit board.
Replace the Circuit Board.
Disconnect Power Cord. Unplug the Socket
Assembly from Circuit Board. Using an
ohmmeter, check the yellow and orange leads at
the potentiometer by rotating the knob.
Reading should be 0 to 2 000 ohms.
Replace the Circuit Board.
(Dwg. TPD1817–3)