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