How to restore factory settings for DV300 series? If you don t know the password...

All kinds of satellite receivers restore factory passwords.

1.Hualianfa SK-2008H: Factory original password: 000000. If the user forgets the password after modifying it, it can be solved in the following way: press the arrow keys of the remote control up, down, left, right, left, right.

2.Skyworth Skyworth:13572468 ；The engineering password of Skyworth DVB-SO1 is:13572468

3.PBI PBI1000 Recovery System Password: 8888, Recovery Method for Crash: Press and hold the channel down and power button for one minute P Beijing Railway Bureau Trade Union 1250;Phoenix Satellite TV is dedicated to up and down; Star TV dedicated (home) 6 left 9 right;

4.Tiandixing Company (2003) non-blind sweep Dijia, Tianjing, Willis, Yuejia 618 non-blind sweeping: menu Restore factory settings OK mute the program δ once and then enter: 7065 (Fujitsu configuration can be entered) 0000;

Tiandixing Company (2004) Blind Sweep Yuejia, Aerospace Jinzun, Mike, Dijia, Jingtian, Willis 2288, Nianhua, Canglang, etc. Language: English, Restore factory settings, OK, mute, δ the program, and then enter in the dialog box: 7065 (Fujitsu configuration can be entered) 0000;

After 05 years, Tiandixing Company has ultra-thin machines such as Shiba, Ace, Yuejia: menu mute (5-30 seconds).

5.Same state 3288csi cdvb3188—si menu program settings program δ information channel 0000;

CDVB3188C S1: Bring up the main menu, enter the "Program Settings" item, without any prompt, press the information key and the channel key, then the screen will prompt: "Password!"

After entering 0000 with the remote control, press "Confirm", and "System Recovery" will appear on the screen.

Note: The machine cannot receive Ku-band signals.

Tongzhou 3188 ultra-thin: Menu Factory reset to: password 0000 for domestic programs, password 1234 for all programs but no blind sweep; Turn on and press and hold the mute button directly to receive all programs and have a blind scan

New version of the same continent 3188c: setting method: menu system settings default ok press menu, exit menu program settings ok press info + channel key display input password input 0000 can be. (Some 1234 are also available).

Tongzhou 5288 main menu Enter **Device settings, press the channel key and the information key 0000 in turn.

Same state 5288, etc.: Menu Enter 156988

The initial password of the 981 987 (engineering machine) receiver of the same continent: enter the upper and lower left and right in turn.

Same continent: Menu - Factory reset No changed to: Yes. Then enter: 1234...

3188e universal password of the same continent: 991231.

I can help you, P-141 enters, enter the universal password 2772 and then confirm, it is unlocked, P-133 enters, the parameter is changed to 1 OK and the factory settings are restored!

In the case of forgetting the password, this brand of inverter should restore the factory settings, to restore the factory settings, there should be no need for a password, if you really need a password, you can directly call the manufacturer of the inverter, find their, technical support.

In general, if you want to restore the factory settings in case you forget the password, it is generally very difficult, so be sure to contact their after-sales service.

This can restore the factory value, I think this situation is quite good.

The DV 300 Inverter can be forced to do a factory reset in case the password is forgotten.

There are two ways: 1. Contact the manufacturer for after-sales. 2. Find another Dev300 inverter, remove the EEPROM on the motherboard and replace it, and the password is gone.

The output is short-circuited.

A short circuit to ground, or an internal fault in the inverter. Check whether there is a problem with the insulation of the motor first, if there is no problem, it is the internal fault of the inverter, usually the module, or the fault of the current detection loop.

The output is short-circuited, and if the motor is removed, it must be a problem with the inverter. If you dismantle the motor and do not report it, then you should focus on checking the external problems.

Search it: What is the fault of the Dver DV300 inverter reporting DLDL! There is only one DL on the manual, which is the output short circuit. But the two appear together and don't know?

Depending on the specific model, if it is a single-phase input inverter, R and T are connected to 220V.

If there is no fault on the manual, it is best to ask the manufacturer, or the supplier. Especially this niche brand of inverter, there may not be a few people who have heard of it, so don't wait for ......