Guardian 4700 - Residual Voltage (5-12 Vac)

Section 6
TROUBLESHOOTING FLOWCHARTS
Page 22
TEST 12 - CHECK
MAIN CIRCUIT
BREAKER
TEST 3 - TEST
EXCITATION
CIRCUIT BREAKER
TEST 4 -
PERFORM FIXED
EXCITATION /
ROTOR AMP
DRAW
TEST 7 - TEST
STATOR DPE
WINDING
TEST 5 - WIRE
CONTINUITY
INSULATION
RESISTANCE
TEST PAGE 11
INSULATION
RESISTANCE
TEST PAGE 11
INSULATION
RESISTANCE
TEST PAGE 11
TEST 6 -
FIELD BOOST
TEST 8 - CHECK
SENSING LEADS /
POWER WINDINGS
TEST 9 -
CHECK
BRUSH
LEADS
TEST 10 -
CHECK
BRUSHES &
SLIP RINGS
TEST 11 -
CHECK ROTOR
ASSEMBLY
REPAIR
OR
REPLACE
BAD
BAD
BAD
BAD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
BAD
BAD
BAD
BAD
BAD
BAD
REPAIR
OR
REPLACE
REPAIR
OR
REPLACE
REPLACE
VOLTAGE
REGULATOR
REPAIR
OR
REPLACE
THEN
RETEST
RESET TO
“ON”
OR REPLACE
IF BAD
GOOD -PROCEED
BAD -PROCEED, REPLACE AFTER TESTS
CONCLUDE
Problem 2 - Generator Produces Zero Voltage or Residual Voltage (5-12 VAC)
D
A
C
B