Section 5 Before Calling for Service
Part Number 020004000 10/13 5-3
Pump motor intermittent Problem with probe or probe harness. Check motor and motor wires by removing red
and black wires from the Liquid Level Control
Board. If okay, short ""H & L"" terminal on
Liquid Level Control Board. If motor stays off,
verify probes and bend straight or replace.
Verify with meter.
Problem with motor or motor wiring. Measure AC voltage across load terminals on
Liquid Level Control Board. If line voltage is 120
plus or minus 10% replace motor or motor
wiring.
Pump motor intermittent Problem with Liquid Level Control Board. Check line voltage first. If AC voltage across
load terminals on Liquid Level Control Board is
not 120 plus or minus 10%, replace the Liquid
Level Contorl board.
Pump motor starts and stops,
short cycles, as soon as water
level drops below Red (High)
probe.
Black (Low) Lead wire is open or
disconnected.
Verify connections and continuity of black wire
from Liquid Level Control Board to Probes on
Carb Tank.
Pump motor starts and stops,
short cycles, as soon as water
level drops below Black (Low)
probe.
Red and Black Leads are switched with
each other.
Verify Red Lead is going to Red probe and
Black Lead is going to Black probe.
Pump short cycles from below
high probe to just above high
probe - Low probe has no effect.
Red and Green Leads are switched with
each other.
Verify Red Lead is going to Red Probe and
Green Lead is going to Ground Screw on tank
Black and Green Leads are switched with
each other.
Verify Black Lead is going to Black Probe and
Green Lead is going to Ground Screw on tank.
PROBLEM POSSIBLE CAUSE CORRECTION
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