Emerson ROSEMOUNT OCX 8800 - Manual (Page 107)

Instruction Manual
IM-106-880, Rev 1.0
January 2007
7-9
OCX 8800
Line Voltage High (AC power line voltage above maximum, > 278 VAC)
Probable Cause Recommended Corrective Action
High noise or voltage fluctuations in power
supply Check power supply for line noise or voltage fluctuations. Install power line filter kit
(PN 6A00171G01) or high quality line filter for input power.
Electronics package failure Check power supply voltage and compare with line voltage. Replace electronics
package if they do not agree within 5%.
Htr Relay Failed (Heater relay failure)
Probable Cause Recommended Corrective Action
High noise or voltage fluctuations in power
supply Check power supply for line noise or voltage fluctuations. Install power line filter kit
(PN 6A00171G01) or high quality line filter for input power.
Electronics package failure Replace electronics package.
Out Brd Failure (Output board failure)
Probable Cause Recommended Corrective Action
Electronics package failure Replace electronics package.