DV48J7770EW/AC User Manual

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English 51

Maintenance

Information codes

If the dryer fails to operate, you may see an information code on the screen. Check the table

below and try the suggestions.

No Code Action

1 dC

Operating the dryer with the door open.

•Makesurethedoorisproperlyclosed.

•Makesurelaundryisnotcaughtinthedoor.

2 FC

Invalid power source frequency

•Checkifyouareusingregularpowersourcefrequencies.

•Checkthepowerfrequencysensorcircuit.

•Tryrestartingthecycle.

•Iftheinformationcoderemains,contactacustomerservicecentre.

3 AC

Electronic control problem (Invalid Communication).

•FirstcheckthePCBandwireharness.

•Iftheinformationcoderemains,contactacustomerservicecentre.

4 3C

Malfunction is detected in the motor relay circuit.

•Checkthemotorconnectioncable.

•CheckthemotorrelayoperationofthePCB.

•Checkthedrumbelt.

5 bC2

Incorrect button state.

•IfthedisplayPCBkeycircuitisshortedornot.

6 HC

High temperature heating check

•Cleantheltercaseorcondenser.

•Iftheinformationcoderemains,contactacustomerservicecentre.(enter

the line test mode).

7 HC4

8 9C1

The electronic control needs to be checked (Over Voltage Error).

•CheckthePCBandwireharness.

•Checkifpowerissuppliedproperly.

•Iftheinformationcoderemains,contactacustomerservicecentre.

9 tC

The Thermistor1 resistance is very low or high.

•Checkforacloggedlintscreen

•Checkiftheventsystemisrestrictedor.

•CheckThermistor1resistance.

10 tC5

The Thermistor2 resistance is very low or high.

•Checkforacloggedlintscreen.

•Checkiftheventsystemisrestricted.

•CheckThermistor2resistance.

DV7700J-03170Q-05_EN-US.indd 51 2015/11/3 11:28:12

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User Manual - Page 51