Removing The Relay Expansion Board - Whirlpool WTW9500E SERIES Service Manual

Removing the Relay Expansion Board (REX)
WARNING
Electrical Shock Hazard
Disconnect power before servicing.
Replace all parts and panels before operating.
Failure to do so can result in death or
electrical shock.
Removing the Relay Expansion Board (REX)
IMPORTANT: Electrostatic Discharge (ESD) Sensitive Device.
Failure to follow the ESD precautions outlined at the
beginning of Section 3 "Testing" may destroy, damage, or
weaken the relay expansion board.
1. Unplug washer or disconnect power.
2. Turn off water supply to washer.
3. Perform the procedures on page 4-4, "Removing the
Access Panel" prior to performing the following steps.
4. Disconnect all connectors from the Relay Expansion Board
(see Figure 1 & 2).
5. Using a 1/4" nut driver, first 'loosen' the two (2) hex-head
screws securing the main control (see Figure 1, page 4-6).
6. Next, remove the one (1) 1/4" hex-head screw (location
circled in Figure 1 &2) securing the Relay Expansion board
to the top panel of the washer. Remove board.
REASSEMBLY NOTE: When re-installing the Relay Expansion
Board, be sure to re-tighten the two (2) main control screws.
Figure 1
Relay Expansion Board (Figure 2)
J3 - To Main Control Board
Relay Expansion Board Connectors
Connector
J1
J2
J3
2016 Cabrio & Bravos Top Load, Direct Drive Washer
COMPONENT ACCESS
= pin 1
J2 - To Bulk Dispense Pump
Component(s)
AC In
Bulk Dispense Pump
Main Control Board
J1 - AC In
n
4-7