Generac Power Systems GP Series Diagnostic And Repair Manual

Section 3 Troubleshooting Flowcharts
30 Diagnostic Repair Manual
Problem 5 - No 10A Battery Charge Output
Problem 6 – Engine Will Not Crank
TEST 18 -
CHECK 10A
BATTERY
CHARGE
OUTPUT
TEST 19 -
CHECK
BATTERY
CHARGE
RECTIFIER
TEST 20 -
CHECK 10A
CIRCUIT
BREAKER
TEST 9 - TEST
STATOR
INSULATION
RESISTANCE
TEST PAGE 13
REPAIR
OR
REPLACE
REPLACE
REPAIR
OR REPLACE
REPLACE
FINISHED
GOOD
GOOD
GOOD
GOOD
BAD
BAD
BAD
BAD
BAD
BAD
REPAIR
WIRING
GOOD
BAD
TEST 21 -
CHECK 10
AMP FUSE
TEST 26 - CHECK
STARTER
CONTACTOR
RELAY (SCR)
TEST 27 - CHECK
START-RUN-STOP
SWITCH (SW1)
GOOD
TEST 28 - CHECK
START-RUN-STOP
SWITCH (SW1)
WIRING
TEST 22 - CHECK
BATTERY
& CABLES
TEST 23 - CHECK
VOLTAGE AT
STARTER
CONTACTOR
REPLACE FUSE
FUSE BLOWS
REPAIR OR
REPLACE WIRING
OR SCR
REPAIR OR
REPLACE WIRE 16
REPLACE
BAD
BAD
REPLACE
GO TO PROBLEM 9
GOOD
GOOD
NO VOLTAGE
MEASURED
FUSE BAD
BAD
TEST 24 - CHECK
STARTER
CONTACTOR
GOOD
12 VDC
MEASURED
BAD
RECHARGE OR REPLACE BATTERY
- CLEAN, REPAIR OR REPLACE BAD
CABLE(S)
TEST 25 - CHECK
STARTER MOTOR
REPLACE STARTER
MOTOR IF DEFECTIVE
GOOD
CHECK FOR MECHANICAL BINDING
OF THE ENGINE OR ROTOR

Generac Power Systems GP Series Specifications

General

Brand	Generac Power Systems
Model	GP Series
Category	Portable Generator
Language	English