Question about Microsoft HannsG HU171D 17" LCD Monitor
And finished with the green led pumping on RED!
It's the second time :
#1 after 1 year with flashs.
warranty exchange [the swapped screen is'nt a new but old with impact on plastic and rays , my wyfe has not see this during the exchange]
#2 after 1 other year after swapped monitor : black screen and red led pumping on RED. [failure , not serious modele i ask exchange with equivalent model! ]
I am professional electronician , and i am not OK with this huggly sales methods .
//HX191DP //OCT 2006 //SERIAL N°:643GR3KA01791//
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Posted on Jan 02, 2017
It seems to be an Inverter related problem in which backlight seems to be shiutting down.Is this monitor 3-4 years old???If so backlight of the panel could be an issue.
Posted on Feb 16, 2008
no it is a few bad capacitors on the vga board internal thes need tobe replaced or you can return the monitor if it is less than a year old
Posted on Dec 03, 2008
SOURCE: I have a monitor HANNS-G
This is a problem with the power supply unit inside the monitor, there is no easy way out here. If you keep on using your monitor like this eventually it won't switch on no matter how long you wait. Keep on using it like this for the time being without switching off anything but ultimately you will have to take it in for repairs or otherwise purchase a new screen..
Posted on Aug 02, 2009
The problem on your monitor is a bad power supply. We you can solder you should be able to repair it. If you check our site at :
www.ccl-la.com/badcaps.htm We have a monitor repair section with dis-assembly guides and repair procedures. I will post a Hanns-g guide tonight. This will show how to open and repair the monitor. We also have a repair parts kit available. If you don't want to do the repair yourself then we can do it for you, just email me if you have questions or wan tus to do the repair for ou.
I hope this helps.
Posted on Aug 05, 2009
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The front panel Status LED provides an indication of
the set's operation and the possible cause of a malfunction.
If an abnormal condition is indicated, perform the
Self Diagnostics procedure.
To activate, press the front panel <ACTIVITY> &<CH
??> buttons at the same time and hold for 5 seconds.
The STATUS LED will then flash denoting a two digit
• The number of flashes indicates the value of the
MSD (tens digit) of the Error Code.
• The flashing then pauses for approximately 1/2
• The LED then flashes indicating the value of the
(ones digit) of the Error Code.
• The Error Code is repeated a total of 5 times.
Example: If the Error Code is "23", the LED
will flash two times, pause, and then flash three
Table 2-2: LED Indications
Error Codes, descriiptions and the most likely cause of
the error are listed in Table 2-3.
Note: The TV must be in "Shut Down." The LED
will probably be indicating an abnormal
condition. If the TV is switched Off, AC is
removed, or a System Reset is performed, the
code automatically resets to "12" No Error.
See the Error Code Log to retrieve a history of
Note: Use the front panel buttons, not the remote
Note: If there is no response, the front panel may be
locked by a V-Chip setting. To unlock, press
and hold <ACTIVITY> on the front panel for
LED Indication Condition
Off Off (standby)
Green Power On
Slow Blink Green Power Off with Timer Set
Fast Blink Green (80 seconds) > Off Power Off (Cooling fan still working, 80 sec)
LED Indication Condition
Red Lamp Failure
Yellow TV Too Hot
Slow Blink Red TV May Require Service
Slow Blink Yellow Lamp Door Open or No Lamp Installed
ABNORMAL INDICATIONS (For details perform Self Diagnostics Procedure.)
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READING CODES Modes will not switch while the engine is running. The ECM automatically switches to MODE I when the ignition is switchedOFF.
1984-90 Vehicles With Dual LED System
The self-diagnostic system has 5 modes. To switch modes, switch the ignition ON and use a screwdriver to turn the mode select switch through the access port on the ECM. The inspection lights will begin to flash. When the desired mode has been entered, turn the screwdriver fully counterclockwise. The red LED and green LED perform different functions in different modes.
This is the normal vehicle operating mode. The green LED will indicate loop status. If the green LED is not blinking when the engine is running, the vehicle is in open loop, or the HO 2 S, O 2 S, or sensor circuit has a malfunction. If the green LED is blinking, the vehicle is in closed loop. If a malfunction takes place, the red LED and the MIL will glow, indicating a malfunction has occurred.
Both the red LED and green LED are used to monitor mixture ratio feedback control. The green LED will function as described in MODE I. If vehicle is in open loop, the red LED and green LED will remain on or off. In order for results to be valid, vehicle must be in closed loop. In closed loop, the red LED remains off if the system is running rich, comes on if the system is running lean, and blinks at the same time with the green LED if system is within 5% of the exact air/fuel ratio.
-When this mode is accessed, the codes stored in the ECM's memory will be flashed by the green LED and red LED on the side of the ECM. The red LED will light first. This is the first digit of the trouble code; the green LED will flash next, showing the second digit of the code. For example: 2 flashes of the red LED followed by 1 flash of the green LED corresponds to Code 21.
This mode is used for checking the throttle plate (TP) switch, starter, and vehicle speed switch status. When the TP switch or starter switch is activated, the red LED will briefly flash as the status changes. For VSS status, the green LED will remain off when vehicle speed is less than 12 mph (19 km/h) and come on when vehicle speed is greater than 12 mph (19 km/h).
This mode represents a real-time diagnostic test of the crank angle sensor, ignition signal and the mass airflow signal. The malfunction code will be displayed only when the malfunction occurs and will not be stored in memory. The output code will appear as a single or short string of pulses. Count the number of pulses for the malfunction code.
1 pulse-CMP sensor signal lost or noise in signal 2 pulses-MAF Sensor signal abnormal 3 pulses-Fuel pump circuit shorted or open 4 pulses-Ignition signal lost
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