Fisher & Paykel DishDrawer DD247 Service Manual page 53

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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
If the product is an integrated or flat door model,
1.
replace the badge isolator first, run a fast test cycle in
diagnostics to determine if the problem still occurs.
(refer p30-32).
If the fault still occurs, or the product is a pre finished
2.
or wireless badge model, replace the controller.
Note: The badge isolator and wireless receiver use the
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
Check all the harness connections at the controller for signs of any water damage, corrosion or
1.
arcing. Replace if damaged.
Run the detergent diverter valve by itself in diagnostic hardware output mode (HO) (refer p30 & 31).
2.
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.
If the fault still occurs then replace the controller.
3.
Fault Code E9 - Sub Code 06 - Software Reset
Replace the controller.
1.
Fault Code E9 - Sub Code 07 - Forced PSU Shutdown
Inspect all the component terminals and connectors for damage caused by corrosion or arcing.
1.
Replace harness if necessary.
Replace both the controller and mains filter board.
2.
In diagnostic hardware output mode (HO) run each component individually and check for proper
3.
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.
badge Isolator
Wireless Receiver