TROUBLESHOOTING & REPAIR
63
AVTM21-415Ja Rev. A June 2005
TROUBLE LOCATION
TABLE 3: Trouble Location Chart
MALFUNCTION
POSSIBLE CAUSE
AC "ON" lamp does not light.
De-energized service outlet.
Defective service outlet.
Defective power cord.
Defective lamp.
Defective CB1.
AC "ON" lamp abnormally
bright.
Supply voltage too high.
AC "ON" switch trips on closure.
Internal wiring short circuit.
Defective socket DS1.
Defective K2.
Defective CR1 or CR2, (Stabilizer
"IN").
No red lamp when "OUTPUT
ON" switch is closed and
voltage control is at zero.
Defective lamp DS2.
Defective K2.
Defect in mechanical linkage to T1.
Defective CB2.
Red lamp goes out when
voltage control is advanced.
Defective K2.
"OUTPUT ON" switch trips on
closure.
Defect in zero-start.
"OUTPUT ON" switch trips
when voltage control is
advanced.
High Voltage output shorted to
ground.
Defective T101.
Defective U2.
Summary of Contents for ATEC 210415 Series
Page 2: ...15 kV Megohmmeter Test Set Catalog No 210415 Series M...
Page 9: ...M 2 AVTM21 415Ja Rev A June 2005 Figure 1 15 kV Megohmmeter Test Set Catalog No 210415...
Page 13: ...M 6 AVTM21 415Ja Rev A June 2005 M...
Page 19: ...M 12 AVTM21 415Ja Rev A June 2005 M...
Page 23: ...M 16 AVTM21 415Ja Rev A June 2005 Figure 2 Schematic Diagram of the 15 kV Megohmmeter...
Page 30: ...SETTING UP 23 AVTM21 415Ja Rev A June 2005 Figure 4 Testing in a Substation...
Page 32: ...SETTING UP 25 AVTM21 415Ja Rev A June 2005 Figure 6 Testing Transformer Terminals...
Page 33: ...M 26 AVTM21 415Ja Rev A June 2005 Figure 7 DC Motor Test Setup Figure 8 Generator Test Setup...
Page 47: ...M 40 AVTM21 415Ja Rev A June 2005 M...
Page 53: ...M 46 AVTM21 415Ja Rev A June 2005 M...
Page 57: ...M 50 AVTM21 415Ja Rev A June 2005 M...
Page 73: ...M 66 AVTM21 415Ja Rev A June 2005 Figure 15A Interior View Figure 15B Interior View...
Page 75: ...M 68 AVTM21 415Ja Rev A June 2005 M...
Page 81: ...M 74 AVTM21 415Ja Rev A June 2005 M...
Page 82: ...M 2621 Van Buren Avenue Norristown PA 19403 1 800 723 2861 ext 8578 megger com...
