Witura WT-1672B Dokumentacja Pobierz pdf (Strona 13)

WITURATECHNOLOGYSDNBHD|WT‐1672CGSMRemoteControlSwitchUserManualV1.8 13

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Troubleshooting

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1. RedpowerLEDnotalight

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Ensure that your DC power supply is connected

correctly,positive(+)toterminal220vandnegative(‐)

to terminal N. Verify 12 volts is present using a volt

meter

2. BluenetworkLEDflashingeveryonesecond

andnotevery3seconds

Ensure your SIM cardhasbeenactivatedand thatthe

PIN request has been disabled. If the unit is in a low

signal strength area consider using an external GSM

antennaorchangingtoanothernetworkprovider

3. Iamnotreceivingconfirmationtestmessages

whenprogramtheadministratorsnumber

EnsureyourtelephonenumberisintheAdministrator

list and that sendingtextmessages to your number is

enabled.

4. Iamnotreceivinganytextmessageswhen

initiallyprogrammingtheunit

Ensure the unit is connected to the GSM network by

observing the blue network LED; it should be flashing

once every 3 seconds (see 2 above). Ensure the SIM

cardhascredit

5. Theunithasbeenworkingforseveralmonths

andhasnowstoppedrespondingtocallsand

textcommands

MostbutnotallPAYSIMcardswillbede‐activatedby

thenetworkifnotusedtomakeanoutgoingvoicecall

orsendanSMStext messagewithin aspecific

period.

To prevent this simply send a txt command *0*PW#,

then*2*, it will reply by textmessage, do thisonce a

monthtokeeptheSIMcardactive

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Witura WT-1672B Dokumentacja Strona 13