Problem 19 - 7.5 Amp Fuse (F1) Blown; Problem 20 - Generator Will Not Exercise; Problem 21 - No Low Speed Exercise; Problem 22 - Battery Is Dead - Generac Power Systems 7 kW NG Repair Manual

Section 4.4
Troubleshooting Flowcharts
FUSE BLOWS WHEN
PLACED IN "AUTO"
OR "MANUAL"
TEST 70 – CHECK TO SEE
IF LOW SPEED FUNCTION
IS ENABLED
DISABLED
ENABLE
TEST 75 – TEST
120V INPUT (T1)
BAD
TEST 79 – CHECK T1
VOLTAGE AT CUSTOMER
CONNECTIONS
BAD
TEST 81 – CHECK T1
VOLTAGE IN
TRANSFER SWITCH
GOOD
TEST 82 – TEST F3
FUSE CIRCUIT
Page 114
Problem 19 – 7.5 Amp Fuse (F1) Blown
Problem 20 – Generator Will Not Exercise
TEST 65 – TEST
EXERCISE
FUNCTION
Problem 21 – No Low Speed Exercise
ENABLED
REPLACE CONTROLLER
Problem 22 – Battery is Dead
TEST 76 – VERIFY DC
VOLTAGE OUTPUT OF
GOOD
THE CONTROLLER
TEST 80 – CHECK T1
VOLTAGE AT J5
GOOD
CONNECTOR
BAD
REPAIR
BAD
OR
REPLACE
CONTROLLER
BAD
VERIFY THAT VOLTAGE IS AVAILABLE TO
GOOD
THE LOAD SIDE OF THE CONTACTOR
PART 4
TEST 66 – CHECK
RUNNING CIRCUITS
TEST 71 – CHECK
OPERATING
OPERATION OF
NORMALLY
CHOKE SOLENOID
GOOD
GOOD
TEST 77 – CHECK
WIRE 13 AND
BAD
WIRE 0
BAD
GOOD
REPAIR
OR
REPLACE
REPLACE
ENGINE/DC CONTROL
CRANKING AND
TEST 53 – TEST
CHOKE
SOLENOID
BAD
REPLACE
TEST 78 – TEST DC
CHARGE CURRENT
TO BATTERY
GOOD
BAD
REPLACE CONTROLLER
STOP TESTING. BATTERY
CHARGER IS
FUNCTIONING PROPERLY
GOOD