Maytag NAV2330 Service Manual page 15

Automatic Temperature Control
To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing, unless
testing requires it.
ATC Connector
Terminals
RED 1
2
VIOLET
YELLOW
3
BLUE 4
To properly test ATC thermostats follow the steps below:
*IMPORTANT: To protect meter all continuity checks must be made on the connector end going to thermostats.
Step 1. Disconnect 4-wire plug connector located in blackguard coming from water flume thermostats.
Step 2. Set water temperature selection for cold water fill and allow washer to fill for 2 minutes. Confirm water
temperature entering washer is < 60 degrees and make continuity checks per table.
Step 3. Set water temperature selection for hot water fill and allow washer to fill for 2 minutes. Confirm water
temperature entering washer is > 110 degrees and make continuity checks per table.
Step 4. If results of continuity checks do not correspond to table and all wiring is correct, replace ATC flume
thermostat.
©2005 Maytag Services
!
Water temperature Wire Color
<60 degrees RD to VT
<60 degrees
BU to YL
>110 degrees
RD to VT
>110 degrees
BU to YL
Screw is located under Control
Panel on the Cabinet Top
16022937 Rev. 0
WARNING
Circuit
open
closed
closed
open
15