5.4 Troubleshooting Procedures Section 5: Troubleshooting
CV-6SLX User Manual 5-28 0101-8242-0, Rev. C
Table 5-20 HVPS AUXILIARY SUPPLY LOW LED lights red
Condition indicated: Control Supply voltage is below minimum value
Symptoms
• TCS displays PSU1_FAIL_ALM (= Power Supply Control Is On failure alarm)
• HVPS Front Panel: AUXILIARY SUPPLY LOW and POWER SUPPLY FAULT LEDs light red
• EBC: Fault LED lit in High Voltage section of Diagnostics screen
For additional information about this fault mode, see Ishikawa Diagram #13.
Possible Cause Procedure
1. Fault condition(s) whose investigation
requires removal of HVPS top cover
1. Contact Temescal Field Service
.
DANGER: HIGH VOLTAGE
Before performing the following procedure, perform the procedure described in
section 5.4.1.
Table 5-21 HVPS EXTERNAL CONTROL FAULT LED lights red
Condition indicated: I/O SWITCH POWER output (+24 V dc) supplied via Pin 6 on HVPS J4 is below
its minimum value (< 20 V dc)
Symptoms
• TCS displays PSU1_FAIL_ALM (= Power Supply Control Is On failure alarm)
• HVPS Front Panel: EXTERNAL CONTROL FAULT and POWER SUPPLY FAULT LEDs are lit
• EBC: Fault LED lit in High Voltage section of Diagnostics screen
For additional information about this fault mode, see Ishikawa Diagram #14.
1.
Fault condition(s) whose investigation
requires removal of HVPS top cover
1. Contact Temescal Field Service.
Table 5-22 HVPS FILAMENT LOAD FAULT LED lights red
Condition indicated: Minimum filament load not present
Symptoms
• HVPS Front Panel: FILAMENT LOAD FAULT LED lights red; FILAMENT POWER LED remains green
• FPS Front Panel: POWER ON and HV ON LEDs are lit
• EBC issues FPS Gun Ctl Go On Timeout
For additional information about this fault mode, see Ishikawa Diagram #15.
1. Gun filament burnt out. 1. Check filament and replace if necessary. If OK, proceed to Step 2.
2. Other problems with emitter, gun,
HV feedthroughs, and connections
to HV feedthroughs.
2. Follow troubleshooting procedures described in gun manual.
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