Problem 22 - No Display From Wattage/Runtime Meter; Problem 23 - Wattage/Runtime Meter Display Is Flashing Erroneous Data - DeWalt DXGN4500 Manual

Section 3 Engine Diagnostic Tests
Problem 22 – No Display from Wattage/Runtime Meter
DOES
YES
ENGINE
RUN?
NO
GO TO PROBLEM 11,
ENGINE WILL NOT
START
Problem 23 – Wattage/Runtime Meter Display is Flashing Erroneous Data
DISPLAY FROM
WATTAGE/RUNTIME
METER
YES
DISPLAY IS FLASHING
DASHES AND THE
FIRMWARE VERSION
NO
DISPLAY IS
FLASHING DASHES
AND DOTS
28
PRODUCING
PROPER
OUTPUT
VOLTAGE?
NO
GO TO PROBLEM 5,
ZERO OR RESIDUAL
VOLTAGE
REPLACE PCB GOOD
NO
WATTAGE/RUNTIME METER
CHECK FUEL
SENDER WIRING
YES
FOR SHORT TO
GROUND
BAD
REPAIR OR REPLACE
WIRE, WIRE HARNESS,
AND/OR COMPONENT
BAD
CHECK FUEL
SENDER WIRING
YES
FOR OPEN
TEST 38 –
CHECK
YES
VOLTAGE
TO PCB
GOOD
TEST 40 –
CHECK CT
RESISTANCE
BAD
REPLACE
CT
GO TO PROBLEM 22,
NO DISPLAY FROM
GOOD
GOOD
GOOD
TEST 39 –
CHECK
BAD
STATOR
WINDING
GOOD
TEST 41 –
CHECK FUEL
SENDER
RESISTANCE
REPLACE FUEL
Diagnostic Repair Manual
BAD
REPLACE
STATOR
BAD
SENDER