Generac Power Systems 53187 User Manual

Page 131

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PARTS
ENGINE ELECTRICAL SYSTEM

1

SECTION 5.8

TROUBLESHOOTING FLOW CHARTS

Problem 1C- Engine Will Not Crank (Type 3 DC Control System)

IS 10 AMP
CIRCUIT
BREAKER

ED?

Jo

I

lYESi

TEST 1-CHECK

14 AMP

FUSE

(FI)

FUSE.

■ O.K. ■

TEST 2-CHECK

BATTERY

CABLES

O.K.

TEST 3-CHECK

THE

BATTERY

BAD

i

CLOSE

CIRCUIT

BREAKER

REPLACE

FUSE

CLEAN, TIGHTEN OR

REPLACE AS NEEDED

BAD

I

RECHARGE

OR REPLACE

I

IF BATTERY IS GOOD '

TEST 12-CHECK

DC VOLTS AT

TERMINAL 1 OF

ENGINE CONTROL

-O.K.i^

TEST 6-CHECK

VOLTAGE AT

TERMINAL 7 OF

ENGINE CONTROL

CIRCUIT BOARD

mmO.K.

TEST 14-TEST

STARTER

RELAY

m

O.K.—^

TEST 15-TEST

STARTER

OPERATION

CIRCUIT BOARD

BAD

I

TEST 9-TEST

10 AMP
CIRCUIT
BREAKER
(CB3)

T

BAD

I

TEST 8-TEST

START/STOP

SWITCH

BAD

1

REPLACE
DEFECTIVE
BREAKER

REPLACE

BAD

SWITCH

BAD

i

REPLACE

DEFECTIVE

RELAY

BAD

i

REPAIR

OR

REPLACE

REPLACE ENGINE

CONTROL

CIRCUIT BOARD

TEST 13-CHECK

WIRING BETWEEN

BATTERY AND

ENGINE CONTROL

CIRCUIT BOARD

REPAIR, RECONNECT

OR REPLACE

BAD WIRE(S)

PAGE 5.8-3

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