OPERATION AND MAINTENANCE MANUAL PN 28.04.1014 GPU JET-POWER FILTER II 2500 PN 28.09.1013
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4 -
TROUBLESHOOTING
The following is a list of symptoms and possible causes that may disturb
the normal operation of your “JET-POWER”. Follow the instructions
properly to avoid problems in operating the equipment.
When an unconformity is detected follow the steps listed in the next
pages. If the problem persists, call our technical department and ask for
more detailed information or technical assistance.
4.1 -
NOTES
Do not use “DIAZED” (retarded) fuses or wired bridge. Use “FAST”
or “ULTRA-FAST” fuses. In 208 or 220V, use 63A fuses.
Keep spare fuses (at least 06).
The “JET-POWER” uses 06 (six) SKR240/04 rectifier (brand
“Semikron”) for 28 VDC.
The “JET-POWER” uses 47000µF/40V capacitors (brand “Epcos”).
Avoid opening the “JET-POWER” unnecessarily.
4.1.1 -
POSSIBLE FAULTS
A)
When turning the equipment on, the voltmeter does not indicate volt-
age.
CAUSE:
Instrument defective or power failure.
CHECK:
If the equipment turns on, test the instrument. If not,
check the connecting to the local utility company.
B)
Fuses burning immediately after power is turned on.
CAUSE:
Internal or external short circuit.
CHECK:
It is more likely that one or more rectifiers have been
short-circuited. To test them follow the instructions below:
