Maytag LAT2300 Service Manual page 134

CAUTION
Always disconnect power supply before making any continuity checks or resist-
ance readings. Always use caution when doing voltage tests.
I
SYMPTOM
I
CAUSES
I
TEST PROCEDURE
I
SOLUTION
Washer will not fill.
• No water to • Check faucets • Turn on faucets
machine.
• Check for continuity • Replace pressure
• Overflow Switch
across switch 4 to ~ switch if open
• Water Valve
• Check for continuity
• Replace valve
• Water Level Switch
across valve
• Replace pressure
solenoids. This is
switch if necessary
• Wire Harness
24V valve, do not
• Control Board
use motor test cord
• Replace wiring
to check!
• Replace board
• Check continuity of
pressure switch.
(See schematic)
• Check for continuity
from board output to
valve coil
Washer fills until the
• Water Level Switch • Check continuity of • Replace pressure
overflow switch disen-
• Wire harness
pressure switch switch
gages, level too high (See schematic)
• Replace wiring
• Control Board
• Check for continuity
• Replace control
from the water level
board
switch outputs to
their board inputs
Washer overflows Water Valve Turn control off. If the Replace valve
washer continues to
fill, replace valve.
See above.
Water levels are not
• Water level sensors • Check continuity of • Replace pressure
right, washer agitates
• Control board
pressure switch switch
• Wire harness
• Check for continuity
• Replace control
from the water level board
• Wires switched
switch outputs to
• Switch or replace
their board inputs.
wiring
16001145 SECTION 4. TROUBLESHOOTING
4-4
©1994 Maytag Corporation