DeWalt DXGNR7000 - Problem 2 - Voltage & Frequency Are both High or Low; Problem 3 - Excessive Voltage;Frequency Droop When Load Is Applied; Problem 4 - Generator Produces High Voltage at No-Load

Section 1 Capacitive Discharge (Brushless)
4 Diagnostic Repair Manual
Problem 2 – Voltage & Frequency Are Both High or Low
Problem 3 – Excessive Voltage/Frequency Droop When Load is Applied
Problem 4 – Generator Produces High Voltage at No-Load
TEST 30 – CHECK & ADJUST
ENGINE GOVERNOR
GO TO
PROBLEM 1
GO TO
PROBLEM 3
GO TO PROBLEM 1,
TEST 6 – CHECK
CAPACITOR
FREQUENCY GOOD, LOW OR
RESIDUAL VOLTAGE
FREQUENCY IS GOOD BUT
NO-LOAD VOLTAGE IS HIGH
NO-LOAD FREQUENCY & VOLTAGE GOOD BUT
THEY DROOP TO MUCH WHEN LOAD IS APPLIED
GO TO PROBLEM 23
REDUCE LOAD
END TEST
Problem 3 – Excessive Voltage/Frequency Droop When Load is Applied
TEST 10 – CHECK
LOAD VOLTAGE &
FREQUENCY
TEST 11 – CHECK
LOAD WATTS &
AMPERAGE
GOOD
GOOD
BAD
OVERLOADED
NOT OVERLOADED
TEST 30 – CHECK
& ADJUST
ENGINE
GOVERNOR
STOP
TESTS
REPLACE
TEST 1 – CHECK
NO-LOAD VOLTAGE
AND FREQUENCY
FREQUENCY AND
VOLTAGE O.K.
FREQUENCY O.K.,
BUT VOLTAGE HIGH
FREQUENCY
HIGH
BAD
GO TO “PROBLEM 1”,
TEST 7 – TEST BRUSHLESS
EXCITATION WINDING
FREQUENCY O.K., BUT VOLTAGE IS STILL HIGH
TEST 6 –
CHECK
CAPACITOR
TEST 30 – CHECK & ADJUST
ENGINE GOVERNOR