Emerson Process Management ControlWave XFC - Manual (Page 80)

3-4 / Service CI-ControlWave XFC
3.3 TROUBLESHOOTING TIPS
3.3.1 Power Checks
One bulk power source can be connected to the Terminal Plate. Connector J6 provides 2 in-
put terminal connections for bulk power (see Figure 3-2):
J6-1 = (+VIN) (+6Vdc to +30Vdc) J6-2 = Chassis Ground – CHASSIS
Bulk supply voltages can be checked at J6 using a voltmeter or multimeter. The maximum
and minimum input power switch-points can be tested with the use of a Variable dc Power
Supply connected between J6-1 (+) and J6-2 (-). By increasing the input voltage (starting at
less than +5.4Vdc), you can determine the point at which the unit will turn on, i.e., the
point at which the LCD Display comes ON (Vt+). By decreasing the input voltage (starting
at +16Vdc), you can determine the point at which the unit turns off, i.e., the point at which
the LCD Display goes OFF (Vt-). If the value of the bulk power supply’s output approaches
the value of Vt+ or Vt- it should be replaced by a battery/power supply with the correct out-
put.
3.3.2 LCD Display System Status Codes
ControlWave XFCs contain an LCD Display that is utilized to display system status codes
and application data once the unit is running its application load. System status codes are
provided in Table 3-1.
Table 3-1 - LCD Display - System Status Codes
LCD
Display
Indication
Definition
Blank or Menu, etc. Application Running
DIAG Unit in Diagnostic Mode
R DIAG Unit Running Diagnostics
FWXSUM Flash XSUM Error
DEVERR Error Initializing Application Device
FLASH Flash Programming Error
FACT Using Factory Defaults *
BATT Battery Failure Detected *
STRTUP Currently Loading Boot Project
INIT System Initialization in Progress
RECOV Waiting in Recovery Mode
RAMERR Error Testing SRAM
STOP Application Loaded
HALT Stopped at a Break Point
NO APP No Application Loaded
BREAKP Running with Break Points
POWERD Waiting for Power-down (after NMI)
UPDUMP Waiting for Updump to be Performed
NOTRUN Unit Crashed (Watchdog Disabled)
* = Flashed at startup
3.3.3 LED Checks
ControlWave XFCs contain two red LEDs that provide operational and diagnostic func-
tions as follows: