Whirlpool WTW8500DC - Installation Manual

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PRESSURE SYSTEM FAULT, LONG FILL, OVERFILL CODES

Models:

MVWB755DW*

MVWB855DW*

WTW7300DW*

WTW8500DC*

MVWB835DW*

WTW7000DW*

WTW8000DW*

WTW8500DW*

MVWB855DC*

WTW7040DW*

WTW8040DW*

* All Engineering Revisions

Serial Number Range:

All Serial Numbers

Concern:

An air leak in the pressure hose system may cause the following error codes to

appear: Pressure System Fault (F3E1), Long Fill (F8E1), or Overfill (F8E3).

Overview:

An important part of the system design is a nylon

washer that is installed on the pressure sensor’s hose

fitting. The nylon washer prevents the pressure hose

from being inserted too far onto the sensor’s hose

fitting—potentially causing the hose end to stretch and

lose its air tight seal.

If during service, the original nylon washer is lost,

follow the instructions below to install a replacement

washer onto the pressure sensor.

Instructions:

1.

Disconnect the pressure hose from the Appliance

Control Unit’s pressure sensor.

2.

Install nylon

washer (P/N W10739332)

over the

pressure sensor fitting on the Appliance Control

Unit (see Figure 2).

3.

Reconnect the pressure hose to the Appliance

Control Unit’s pressure sensor. Insert hose until it

contacts the nylon washer (see Figure 3).

Figure 2 – Washer on Sensor

Figure 3 – Connect Hose

Figure 1 - Washer

Hose

Pressure Sensor