Emerson EIM 2000 Series - Section 8: Troubleshooting

24
August 2017
Installation and Maintenance Manual
E2K-401-0817 Rev. 1
Troubleshooting
Section 8: Troubleshooting
Symptom Probable Cause Corrective Action
Motor will not Run
Blown Control Fuse
Check Fuse and Replace
as necessary
Open in Control Circuit
Refer to appropriate wiring
diagram and check
for continuity
Insulation Resistance
Breakdown in Motor
Perform Megger Test
No Power available
to Actuator
Tripped Circuit Breaker Reset Circuit Breaker
Handwheel Hard to Turn
Valve Stem improperly
Lubricated
Lubricate with Grease
Actuator Lubrication has
broken down
Clean out old grease and
replace with recommended
lubricant
Valve packing gland
too tight
Loosen packing gland nuts
as necessary
Drive Sleeve Bearing Failure Replace Bearing
Jammed Valve Refer to Valve Maintenance
Valve only opens or closes
partially with motor
Torque Switch Setting
too low
Check Setting and Reset
if necessary
Limit Switch Improperly Set
Check Switch Actuation and
recalibrate if necessary
Torque switch is properly
set, but actuator
Torque’s out in mid-travel,
open or closed direction
Damaged or bent valve stem Refer to Valve Maintenance
Valve packing too tight Refer to Valve Maintenance
Jammed Valve
(obstruction in line)
Refer to Valve Maintenance
Handwheel will not
operate valve
Handwheel shaft bearing
assembly malfunction
Repair or replace as necessary
Sheared gear key or Stripped
Gearing
Replace as necessary
PS Shifter Position or
Malfunction
Replace Gear(s)
Broken Handwheel Shaft Repair or replace as necessary
Broken Valve Stem or
Stripped Stem Nut
Repair or replace as necessary
Motor runs but will not
operate the valve
Motor Bearing Assembly
Malfunction
Repair or replace as necessary
Sheared gear key
(fastener pin)
Replace
Stripped Gearing Replace
Broken Valve Stem or
Stripped Stem Nut
Repair or replace as necessary
Section 8: Troubleshooting