Fisher & Paykel DD247, DD607 service manual There are 4 sub codes which relate to this fault code

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Fault Code E9 - Microcontroller Fault

There are 4 sub codes which relate to this fault code:

Fault Code E9 - Sub Code 04 - ADC Error

1. If the product is an integrated or flat door model, replace the badge isolator first, run a fast test cycle in diagnostics to determine if the problem still occurs. (refer p30-32).

2. If the fault still occurs, or the product is a pre finished

or wireless badge model, replace the controller.

	badge Isolator
Note: The badge isolator and wireless receiver use the
		Wireless Receiver
same outer casing, and can easily be mixed up. Ensure
you order the correct part for the corresponding product.
The wireless badge has the part number showing on the
single label.

Fault Code E9 - Sub Code 05 - PSU Overvoltge

1.Check all the harness connections at the controller for signs of any water damage, corrosion or arcing. Replace if damaged.

2.Run the detergent diverter valve by itself in diagnostic hardware output mode (HO) (refer p30 & 31). If after 5 seconds a long low tone is played and repeated each second, then the detergent diverter solenoid is drawing an incorrect current level and should be replaced.

3.If the fault still occurs then replace the controller.

Fault Code E9 - Sub Code 06 - Software Reset

1.Replace the controller.

Fault Code E9 - Sub Code 07 - Forced PSU Shutdown

1.Inspect all the component terminals and connectors for damage caused by corrosion or arcing. Replace harness if necessary.

2.Replace both the controller and mains filter board.

3.In diagnostic hardware output mode (HO) run each component individually and check for proper component operation, run a fast test cycle ( refer p29-31) and if any secondary fault occurs, follow the steps in this maual for that fault code.