Question about Foxconn (945G7MA-8KS2) Motherboard

2 Answers

Power drops aprox 1 minute after start

System boots but within minutes, sometimes 30 sec, sometimes little longer, the power drops to 0 and the system is off.

Motherboard is ok. Power is either ok or 0. Removed all other devices, (keyboard, mouse, graphics card, HD, all usb and IDE devices) but no result.

what's the next step?
Is it the power supply afterall?

Posted by on

  • wombat3766 Nov 13, 2008

    Well a few days has passed and new info came available.

    It is not the Power Supply.

    It wasn't hot at all, nor was the motherboard overheated. So I continued troubleshooting.



    IAnd guess what: The cause is the HDD.



    Weird, because the system stopped even before booting up. Only checking out the BIOS without addressing the HDD but a new HDD solved the issue.

    I'm still monitoring the system but so far WindowsXP is running fine.



    I might want to put the old HDD in an other system to check. Haven't gotten to do this yet.

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Thank you, for the information well appreciated.

Posted on Nov 13, 2008

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Good day!
It's the power supply, usually the fan of power supply run once it start normally, Replace the power supply. And try to turn on the unit.
Feel also some part of the mother board if they are hot like the heat sink the power supply casing do it when the power is off.
Thanks.

Posted on Nov 06, 2008

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1 Answer

How do I get the fault codes up on a Panasonic split air conditioning system CUE24FKR


14.2.2 To Make a Diagnosis1 Timer LED starts to blink and the unit automatically stops the operation.
2 Press the CHECK button on the remote control continuously for 5 seconds.
3 "- -" will be displayed on the remote control display.
Note: Display only for "- -" (No signal transmission, no receiving sound and no Power LED blinking)
4 Press the TIMER ? or ? button on the remote control. The code "H00" (no abnormality) will be displayed
and signal will be transmit to the main unit.
5 Each press of the button (? or ?) will increase error code
number and transmit error code signal to the main unit.
6 When the latest abnormality code on the main unit and
code transmitted from the remote control are matched,
Power LED will light up for 30 seconds and a "beep" sound
(continuously for 4 seconds) will be heard. If no codes are
matched, Power LED will light up for 0.5 seconds and no
sound will be heard.
7 The breakdown diagnosis mode will be canceled unless
pressing the CHECK button continuously for 5 seconds or
operating the unit for 30 seconds.
8 The LED will be off if the unit is turned off or the RESET
button on the main unit is pressed.
Diagnosis
display Abnormality / Protection control Abnormality
Judgement Emergency operation Primary location to verify H00 No abnormality detected - Normal operation H11 Indoor / Outdoor abnormal communica
tion > 1 min after starting
operation Indoor fan operation
only • Internal / external cable connections
• Indoor / Outdoor PCB H14 Indoor intake air temperature sensor
abnormality Continue for 5 sec. - • Intake air temperature sensor (detec
tive or disconnected) H15 Outdoor compressor temperature sensor
abnormality Continue for 5 sec. - • Compressor temperature sensor
(detective or disconnected) H16 Outdoor Current Transformer open cir
cuit - - • Outdoor PCB
• IPM (Power transistor) module H19 Indoor fan motor mechanism locked 7 times occurance
continuously - • Indoor PCB
• Fan motor H23 Indoor heat exchanger temperature sen
sor abnormality Continue for 5 sec. O
(Cooling only) • Heat exchanger temperature sensor
(detective or disconnected) H24 Indoor heat exchanger temperature sen
sor 2 abnormality Continue for 5 sec. - • Heat exchanger temperature sensor
(detective or disconnected) H27 Outdoor intake air temperature sensor
abnormality Continue for 5 sec. O • Outdoor temperature sensor (detec
tive or disconnected) H28 Outdoor heat exchanger temperature
sensor abnormality Continue for 5 sec. O • Outdoor heat exchanger temperature
sensor (detective or disconnected) H30 Outdoor discharge air temperature sen
sor abnormality Continue for 5 sec. - • Outdoor temperature sensor (detec
tive or disconnected) H33 Indoor / Outdoor wrong connection - - • Indoor / Outdoor supply voltage H38 Indoor / Outdoor mismatch (brand code) H50 Ventilation motor abnormality 7 times occurance
continuously - • Indoor PCB
• Ventilation motor H51 Nozzle lock abnormality 2 times occurance
continuously - • Nozzle H52 Limit switch abnormality - - • Indoor PCB H97 Outdoor fan motor mechanism locked 2 times occurance
within 30 minutes - • Indoor PCB
• Fan motor H98 Indoor high pressure protection - - • Air filter dirty
• Air circulation short circuit H99 Indoor heat exchanger anti-freezing pro
tection - - • Insufficient refrigerant
• Air filter dirty F11 Cooling / Heating cycle changeover
abnormality 4 times occurance
within 30 minutes - • 4-way valve
• V-coil F90 PFC control 4 times occurance
within 10 minutes - • Voltage at PFC F91 Refrigerantion cycle abnormality 2 times occurance
within 20 minutes - • No refrigerant
(3-way valve is closed) F93 Compressor rotation failure 4 times occurance
within 20 minutes - • Compressor F95 Cool high pressure protection 4 times occurance
within 20 minutes - • Outdoor refrigerant circuit F96 IPM (power transistor) overheating pro
tection 4 times occurance
within 30 minutes - • Excess refrigerant
• Improper heat radiation
• IPM (Power transistor) F97 Outdoor compressor overheating protec
tion 4 times occurance
within 10 minutes - • Insufficient refrigerant
• Compressor F98 Total running current protection 3 times occurance
within 20 minutes - • Excess refrigerant
• Improper heat radiation F99 Outdoor Direct Current (DC) peak detec
tion 7 times occurance
continuously - • Outdoor PCB
• IPM (Power transistor)
• Compressor

Note:
"O" - Frequency measured and fan speed fixed.
The memory data of error code is erased when the power supply is cut off, or press the Auto Switch until "beep" sound heard following by pressing the "CHECK" button at remote controller.
Although operation forced to stop when abnormality detected, emergency operation is possible for certain errors (refer to Error Codes Table) by using remote controller or Auto Switch at indoor unit. However, the remote controller signal receiving sound is changed from one "beep" to four "beep" sounds.

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1 Answer

Engine looses power after 30-45 minutes.


When it starts to die just try slackening the fuel filler cap, if it picks up again it is a tank breather issue, if the breather is in the cap change it.

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1 Answer

I have forgotten my alarm code for my motorhome Sigma S30 The keypads still work but I need the code to reprogramme a more rememberable number


Here are some important informationabout Sigma S30. Programming a New PIN Code:
The standard PIN code can be changed following thesequence below:
i) Type in to the keypad **
ii) Type in to the keypad the "existing PIN code" then *
iii) Type in to the keypad 92 * "new PIN code" * "new PINcode" #
Programming Remote Keys to the System:
Remote keys can be added or removed to/from the systemfollowing the sequence below:
i) Type in to the keypad **
ii) Type in to the keypad the "existing PIN code" then *
iii) Type in to the keypad 91 * " the number of keys to beused" #
iv) Press the first remote key button until bleep sounds,release and press next key. Continue until all
keys have been taught to the system. Note the maximumnumber of keys is 4 and all keys required
to operate the system must be taught during this operation- any key not included will no longer
operate the system.
Full Programming, Diagnostics and Features
This section contains all the information that the dealersuse for programming and diagnosis of
the Sigma M30 alarm system, using the MK1 keypadprogrammer.. Programming can also be carried
out using a dealers CP1 programmer.
MK1 Keypad Programming Introduction
It is important the keypad buttons are not pressed tooquickly-
Each time a button is pressed the LED on the keypad willflash once as confirmation. The next button should
not be pressed before this confirmation.
It is important the keypad buttons are not pressed tooslowly-
When in programming mode, if a button is not pressed for aperiod of 10 seconds or more, the alarm will
automatically exit programming mode. This will be confirmedby repeated flashes from LED on the keypad.
You must wait until the LED stops flashing and then startagain.
All programming functions are entered after typing * andthen the programming PIN code. The programming
PIN code is 17856.
To enter the programming PIN code, the alarm system mustfirst be armed and then disarmed using a valid
remote key. (Or keypad using the PIN code)
* 17856 * must then be entered within 30 seconds ofdisarming the system. This is then followed by a 2
digit function code, then another * and then sometimesoptional parameters as shown in the following tables.
It is important to remember the * key is used to separatethe various parts of the code like this:
* programming PIN code * function code * parameter #. The# key is pressed at the end of all
sequences and is used like the "enter" key on a computer keyboard.
Programming Features On or Off:
Programming
PIN
Function
Code
Switch Code
(where 0=off and 1=on)
Function Default
* 17856 * 00 * 0 or * 1 then # arm/disarm bleeps * 0 (off)
* 17856 * 01 * 0 or * 1 then # door open warning bleeps *0 (off)
* 17856 * 02 * 0 or * 1 then # auto-lock * 0 (off)
* 17856 * 03 * 0 or * 1 then # auto-arm * 0 (off)
* 17856 * 04 * 0 or * 1 then # auto-arm to include doorlocking * 0 (off)
* 17856 * 05 * 0 or * 1 then # auto-rearm * 0 (off)
* 17856 * 06 * 0 or * 1 then # engineer mode * 0 (off)
* 17856 * 07 * 0 or * 1 then # hold-down remote key button= -ve
output on wire 4
* 0 (off)
* 17856 * 08 * 0 or * 1 then #
hold-down remote key button =
extends lock pulse
* 0 (off)
* 17856 * 09 * 0 or * 1 then # after disarm -ve output onwire 4 * 0 (off)
Programming Timing Settings:
Programming
PIN
Function
Code
Variable(s) Function Default
* 17856 * 10 * 1 to * 30 then # stall to ignition on timein seconds 30 sec
* 17856 * 11 * 1 to * 99 then # unset to ignition on timein seconds 30 sec
* 17856 * 12 * 1 to * 99 then # panic time in seconds 05sec
* 17856 * 13 * 1 to * 51 then # lock time in seconds (51gives two
short pulses)
01 sec
* 17856 * 14 * 1 to * 51 then # unlock time in seconds (51gives
two short pulses)
01 sec
* 17856 * 15 * 1 to * 99 then # settle time in seconds 15sec
* 17856 * 16 * 1 to * 99 then # threshold setting time inseconds 15 sec
* 17856 * 17 * 1 to * 99 then # auto arm time in seconds60 sec
* 17856 * 18 * 1 to * 99 then # auto re-arm time and also-ve
output time after disarm , on wire 4
(green/red) in seconds
60 sec
Displaying System Diagnostics:
The dashboard LED displays the value of settings as anumber of flashes.
Programming
PIN
Function Code Function
* 17856 * 30 then # time elapsed since last trigger (inminutes)
* 17856 * 31 then # as * 30 above - but each flash = 256minutes
* 17856 * 33 then # wire 7 (orange) ignition trigger count
* 17856 * 34 then # wire 1 (blue) -ve door trigger count
* 17856 * 35 then # wire 2 (blue/red) -ve boot triggercount
* 17856 * 36 then # -ve bonnet switch trigger count (blacksingle wire on siren
plug)
* 17856 * 37 then # ultrasonic's trigger count
* 17856 * 38 then # last trigger register (see tablebelow)
* 17856 * 39 then # reset all above trigger counts to 0(zero)
Setting Up Pre-set Programs:
Keying in the following sequences on the keypad sets up afixed set of features, which can be used as a
starting point for further tailoring:
* 17856 * 80 # everything off, lock and unlock pulses 1second.
* 17856 * 81 # as for * 80 above, with auto-rearm on.
* 17856 * 82 # as for * 80 above, with auto-arm on.
* 17856 * 83 # as for * 80 above, with auto-rearm andauto-arm on.
* 17856 * 80 # Default setting configures the values shownin the previous tables 1, 2 and 3. Hope this will help you. Good Luck.

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