Megger MIT510 - Common Faults and Troubleshooting

AF008-02-1201
81
Number
Issue
Date
CN Number
6
1
7
2-
999
2
17-01-07
22933
Compiled
By:
S.Mynott
Date
Compiled:
08/08/06
MIT5XX/10XX
1
st
Used On:
SERVICE MANUAL
Appendix1 Common Faults
Symptom Cause Fix
Unit does not output HV, but seems to work
normally
HV enable jumper has fallen off HV board. Replace jumper
Capacitance lead broken / not present Replace lead
No Capacitance measurement
Capacitance measuring circuit broken Replace measurement board
IrDA transceiver broken. Change either display or measurement board
Transformer lead broken / not connected Connect lead or replace transformer
Unit produced E78 on start-up.
Incompatible measurement board software Change measurement board
Unit produced E78 at the end of a test IrDA screen missing from one board Change board with missing screen.
Unit produced E82 on start-up
Measurement board was not powered down when
the unit was turned off
Change Power supply board.
Unit produces “Bad CNF” or “No Ser” on
start-up
Serial board missing broken Check / Replace serial board