119Appendix/TroubleshootingCombining FOMA terminal with optional accessories supports a wide varietyof uses from personal use to business use. Some products are unavailabledepending on the area. For details, contact a sales outlet such as a docomoShop.For details about the optional devices, refer to the instruction manual foreach device.• AC adapter SC01• USB cable SC01• In-Car Hands-Free Kit 01*• Wireless Earphone Set 02*• Bone conduction microphone/receiver 02*• FOMA Portable Charging Adapter 02*: You can connect to the FOMA terminal via Bluetooth communication.*: XXXX indicates application or function name in which an error isoccurred.• First, check if software update is needed and if it is necessary, update thesoftware (P.124).• When checking the following items not to improve the state, contact thephone number given in "Repairs" the last page of this manual (in Japaneseonly) or DOCOMO-specified repair office.Introduction of options and related devicesIf error message appears mentioned belowError message Cause and remedy PageThe application XXXX(process XXXX) hasstopped unexpectedly.Please try again*Appeared when an error isoccurred in the FOMA terminal orthe function. Tap "Force close" andthen retry.Airplane mode on.Turn Airplane mode off tomake a callAppeared when you try to make acall with the UIM attachedincorrectly or with the Airplanemode set. Check if the UIM iscorrectly attached or not, or set theAirplane mode to off and retry.P.16,P.103TroubleshootingTrouble Check and remedyCannot power on theFOMA terminal (cannotuse the FOMA terminal).• Is the battery exhausted? Charge the battery.➝ P.20Cannot charge the FOMAterminal.• Is the AC adapter connector correctlyinserted to an outlet?• Are attached AC adapter and USB cable, orUSB cable and the FOMA terminal setcorrectly?• When using USB cable for PC connection(sample), does the power of the PC turn on?• If you execute calls, communications orother operation for a long time whilecharging, the FOMA terminal may becomehot and charging may be unavailable. In thiscase, wait until the temperature of theFOMA terminal down and retry charging.Become hot whileoperating/charging.• While operating or charging, or when youcall for a long time, the FOMA terminal,battery pack or accessory AC adapter maybecome hot. There is no problem aboutsafety and continue to use it.Continued to next page