Section 7.2- engine dc control system, Problem, Engine starts then shuts down after a few seconds – Generac Power Systems NP-40G User Manual
Page 107
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_________ Section 7.2- ENGINE DC CONTROL SYSTEM
Problem
5-
Engine Starts Then Shuts Down After a Few Seconds
TEST 25- ISOLATE
STILL
CHECK ENGINE
OIL
TEST 26- TEST
THE CCG SYSTEM
— SHUTS ^
OIL LEVEL
1» LEVELS
OIL PRESSURE
DOWN
GOOD
SWITCH
DOES NOT SHUT DOWN
WITH CCG SYSTEM
ISOLATED
1
TEST 27-TEST CCG
SYSTEM
SEE SECTION
1.5 IN PARTI
FOR TEST
PROCEDURES
i
LOW OIL LEVEL
I
REPLENISH OIL
TEST 28- TEST
OIL TEMPERATURE
SWITCH
BAD
I
REPAIR WIRE 85 CIRCUIT
OR REPLACE SWITCH
GOODi
IF OIL PRESSURE IS LOW,
DETERMINE CAUSE AND CORRECT.
IF OIL TEMPERATURE IS HIGH,
DETERMINE CAUSE AND CORRECT.
SEE PROBLEMS 4,
6 & 7 ON PAGE 7.1-1
bad
REPLACE BAD SWITCH
Page 7.2-5