Generac Power Systems XT-EFI Series User Manual

Section 1 Brushless Capacitor Excitation
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, 410cc ENGINE
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
TEST 10 – CHECK
LOAD VOLTAGE &
FREQUENCY
TEST 11 – CHECK
LOAD WATTS &
AMPERAGE
GOOD
GOOD
BAD
OVERLOADED
NOT OVERLOADED
TEST 30 – CHECK
& ADJUST
ENGINE
GOVERNOR,
410cc ENGINE
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
DPE WINDING
FREQUENCY O.K., BUT
VOLTAGE IS STILL HIGH
TEST 6 –
CHECK
CAPACITOR
TEST 30 – CHECK & ADJUST ENGINE
GOVERNOR, 410cc ENGINE

Generac Power Systems XT-EFI Series Specifications

General

Brand	Generac Power Systems
Model	XT-EFI Series
Category	Portable Generator
Language	English