Table 5-20 Hvps Auxiliary Supply Low Led Lights Red; Table 5-21 Hvps External Control Fault Led Lights Red; Table 5-22 Hvps Filament Load Fault Led Lights Red - ferrotec Temescal CV-12SLX User Manual

5.4 Troubleshooting Procedures

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
1. Fault condition(s) whose investigation
requires removal of HVPS top cover
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.
Possible Cause
1. Fault condition(s) whose investigation
requires removal of HVPS top cover

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.
Possible Cause
1. Gun filament burnt out.
2. Other problems with emitter, gun,
HV feedthroughs, and connections
to HV feedthroughs.
CV-12SLX User Manual
1. Contact Temescal Field Service
DANGER: HIGH VOLTAGE
1. Contact Temescal Field Service
1. Check filament and replace if necessary. If OK, proceed to Step 2.
2. Follow troubleshooting procedures described in gun manual.
5-28
Section 5: Troubleshooting
Procedure
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Procedure
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Procedure
0101-8292-0, Rev. C