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Thread: Is My M4 Dead....Blinking Green light!!!

  1. #1
    Maximum Bitrate locs4dayz's Avatar
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    Exclamation Is My M4 Dead....Blinking Green light!!!

    This morning my M4 would not boot up the PC, but there is a blinking green light flashing on it. I already ruled out the ram and motherboard by testing, since I keep the original PSU in the trunk of my car just for situations like this(I also have a 400watt inverter installed for just such occasions). Eveyrthing ran as usual. Is my PSU dead or does it need to be reset some kind of way? Really don't want to send it back for exchanging if nothing is wrong with it(am I even still eligible for an exchange?...I've had my M4 for about 6 months now).

    Thanks in advance!!!
    Linux(Learning the curve...Like when driving!!!)
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  2. #2
    Variable Bitrate Wayne613's Avatar
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    Canīt just yank the molex [from main power on the m4] for a few seconds to check? Kinda odd to me the basic trouble-code LED flashes wouldnīt be listed in the manual, but dey ainīt there.

    Found this on another site from a search, not sure how reliable it is though, youīd think itīd have more specific logic done to troubleshoot potential issues or failures:

    M4-ATX is not working (How to test functionality)
    Status LED:
    Fast blinking = Initialization
    Slow blinking = Waits for mainboard start
    Permanent ligh = Mainboard is on
    Hell, not even sure what those explanations actually mean. Initialization, I assume meaning itīs sensed 12v on the ACC/IGN line and is waiting the set interval to start everything up. Waits, Iīm guessing means itīs either a) waiting for sensed 12v, or b) has already and is giving power to the 12v and 5v rails, but is just waiting to sense the mainboard as actually on? *shrug*
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  3. #3
    FLAC PhilG's Avatar
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    I don't know if this helps with the M4 but from the manual for P1900, here are the NORMAL states of that P/S.


    PSU Output LED1 State Description

    OFF OFF Idle State PSU is idle and waiting for ignition/accessory switch to be turned on. It is monitoring battery voltage during this time.

    ON Fast Blink Run Delay State PSU is on and waiting for output voltages to stabilize before turning on CarPC.

    ON BLINK50%* Bootup Lockout PSU is on and has sent ACPI pulse to motherboard. No changes can occur until after boot period. This time period is set to 60 seconds.

    ON ON Run State PSU is on and motherboard is running. No faults have been detected.

    ON BLINK10%* Shutdown Delay PSU is waiting before going into shutdown cycle. This delay period is jumper selectable for 6 sec (default) or 15 min. After this delay PSU goes into shutdown Lockout state.

    ON BLINK50%* Shutdown Lockout PSU is in the process of shutting down and has sent ACPI pulse to motherboard. No changes can occur until after shutdown lockout period (same as Boot Lockout period 60sec). After Shutdown Lockout state, PSU shuts down power and goes into Idle State, waiting for IGN/ACC to be turned on.
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  4. #4
    FLAC PhilG's Avatar
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    Here are the Fault Conditions for the 1900.
    Again, I don't know if these are relatent to the M4



    PSU Power.....LED1...................State............ ..................Description

    OFF...............OFF ...................Low Battery/IGN OFF........ Low battery voltage detected (<10.6V). PSU will not start unless battery voltage is greater than 10.6V.

    OFF..............BLINK10%*...........Low Battery/IGN ON..........Low battery voltage detected (<10.6V) and IGN/ACC switch is on, or remote pulse has attempted to start PSU. PSU will not start unless battery voltage is greater than 10.6V.

    ON...............BLINK10%*...........Major Fault Pending...........Low battery, Fan Fault, or over current condition is detected. PSU will wait 10 seconds for condition to clear. If condition persists for more than 10 seconds, PSU goes into Forced Shutdown state.

    ON...............BLINK50%*............Forced Shutdown.............A major fault has occurred (persistent low battery, fan fault, over current fault) and the PSU is in Forced Shutdown state. There is no Shutdown Delay before shutdown begins. Shutdown time is set to approximately 60 seconds. Once Forced Shutdown begins, clearing the fault condition will not abort the Forced Shutdown cycle. After Forced Shutdown, PSU waits for IGN/ACC switch to be turned off, then on, before it will attempt to restart.

    OFF..............BLINK10%*............Abnormal Shutdown..........A major fault has occurred (persistent low battery, fan fault, over temperature fault) and the PSU was forced to shutdown. IGN/ACC switch must be turned off, then back on, before PSU will attempt to restart. You should check the status of the battery, fan, and ventilation if this fault occurs.
    My 2007 Ford F350 Work Log located HERE

  5. #5
    Maximum Bitrate locs4dayz's Avatar
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    Quote Originally Posted by PhilG View Post
    Here are the Fault Conditions for the 1900.
    Again, I don't know if these are relatent to the M4



    PSU Power.....LED1...................State............ ..................Description

    OFF...............OFF ...................Low Battery/IGN OFF........ Low battery voltage detected (<10.6V). PSU will not start unless battery voltage is greater than 10.6V.

    OFF..............BLINK10%*...........Low Battery/IGN ON..........Low battery voltage detected (<10.6V) and IGN/ACC switch is on, or remote pulse has attempted to start PSU. PSU will not start unless battery voltage is greater than 10.6V.

    ON...............BLINK10%*...........Major Fault Pending...........Low battery, Fan Fault, or over current condition is detected. PSU will wait 10 seconds for condition to clear. If condition persists for more than 10 seconds, PSU goes into Forced Shutdown state.

    ON...............BLINK50%*............Forced Shutdown.............A major fault has occurred (persistent low battery, fan fault, over current fault) and the PSU is in Forced Shutdown state. There is no Shutdown Delay before shutdown begins. Shutdown time is set to approximately 60 seconds. Once Forced Shutdown begins, clearing the fault condition will not abort the Forced Shutdown cycle. After Forced Shutdown, PSU waits for IGN/ACC switch to be turned off, then on, before it will attempt to restart.

    OFF..............BLINK10%*............Abnormal Shutdown..........A major fault has occurred (persistent low battery, fan fault, over temperature fault) and the PSU was forced to shutdown. IGN/ACC switch must be turned off, then back on, before PSU will attempt to restart. You should check the status of the battery, fan, and ventilation if this fault occurs.
    I'm going to do some further testing and see what happens...going to complete my software configuring before re-connecting the M4. Installing Mac OS X onto the additional hard drive on the third partition. Will post the results.

    Thanks for the tips people...greatly appreciated!!!
    Linux(Learning the curve...Like when driving!!!)
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