Generac Power Systems GP7000 User Manual

AC GENERATORS
SECTION 2.4
BRUSHED EXCITATION TROUBLESHOOTING FLOWCHARTS
PART 2
Page 25
TEST 40 – CHECK & ADJUST ENGINE
GOVERNOR, 389cc ENGINE
TEST 41 – CHECK & ADJUST ENGINE
GOVERNOR, 410cc ENGINE
GO TO
PROBLEM 5
GO TO
PROBLEM 7
GO TO PROBLEM 5,
TEST 12 – ADJUST
VOLTAGE
REGULATOR
Problem 6 – V oltage & Frequency Are Both High or Low
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 12
GO TO PROBLEM 23
REDUCE LOAD
END TEST
Problem 7 – Excessive Voltage/Frequency Droop When Load is Applied
TEST 10 – CHECK
LOAD VOLTAGE &
FREQUENCY
TEST 11 – CHECK
LOAD WATTS &
AMPERAGE
GOOD
GOOD GOOD
BAD
OVERLOADED
NOT OVERLOADED
TEST 41 – CHECK
& ADJUST
ENGINE
GOVERNOR,
410cc ENGINE
TEST 40 – CHECK
& ADJUST
ENGINE
GOVERNOR,
389cc ENGINE
BAD
STOP
TESTS
Problem 8 – Generator Produces High Voltage at No-Load
FREQUENCY AND
VOLTAGE O.K.
FREQUENCY O.K.,
BUT VOLTAGE IS
STILL HIGH
TEST 40 – CHECK & ADJUST ENGINE
GOVERNOR, 389cc ENGINE
TEST 41 – CHECK & ADJUST ENGINE
GOVERNOR, 410cc ENGINE
TEST 1 – CHECK
NO-LOAD VOLTAGE
AND FREQUENCY
FREQUENCY O.K.,
BUT VOLTAGE HIGH
FREQUENCY
HIGH
REPLACE AUTOMATIC
VOLTAGE REGULATOR
TEST 12 – ADJUST
AUTOMATIC VOLTAGE
REGULATOR
GOOD
RE-CHECK VOLTAGE
AT RECEPTACLE
PANEL
REPLACE
ALTERNATOR

Generac Power Systems GP7000 Specifications

General

Brand	Generac Power Systems
Model	GP7000
Category	Portable Generator
Language	English