Question about Sunpak Auto 555 TTL Flash

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I'm using a sunpak battery pack with my 555 The battery is charged, (red/orange light on) but the flash does't sense the charge...it's ready light does't come on. Then...it will come on and flash. Then it won't. I've wiggled the cable between pack and flash, i've turned the flash off to battery. Any input will be good. Thanks!

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  • 473 Answers

Check.. Make shure your battery is good ....and check our power supply if is charging also the pin on the connection itself ....

Posted on Sep 29, 2010

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1 Answer

How long does it take charge the sunpack 510 batt using the qbc-5


Hi,
Sunpak uses different power sources on their high-power handle mount (a.k.a. hammerhead) flash guns. The most common is the battery basket that holds 4 or 6 AA or C batteries depending on the type of the unit. One can insert Nickel-Cadmium or Nickel-Metal-Hydride rechargeable batteries instead of the primary cells, this way reducing the "consumables" costs at the expense of the smaller number of flashes per battery set. (Actually, NiCd or NiMH cells would probably give smaller number of flashes compared with the alkaline cells, but the recycle time between the flashes can be shorter. The reason is that at charging the flash capacitor inside the flash current counts more than voltage. Sunpak sells Ni-Cd battery packs named CL-2 for their flashes that utilize 6 AA-cells, and CL-3 for their 622 series (4 C-cells). The charger for these is the QBC-5. It recharges the exhausted batteries in 3 hours. As a solution assuring the shortest duration between flashes Sunpak offered the Powerpak, a shoulder holster that held a dry (non-rechargeable) battery of 510V, it charged the flash capacitor directly, omitting the transistor inverter in the flash body. As such battery became obsolete, the Poverpak has been superseded with the NC510 and later the TR-II PAK, which utilizes 10 Ni-Cd rechargeable batteries as a power source, and a powerful (more capable than the one in the flash) transistor inverter. NC510 and TR-II PAK use the same connection to the flash and the same outlook as the original Powerpak but, being rechargeable, are more economical. QBC-5 also serves a charger for the NC510 and TR-II PAK. You may ask, how the same charger can be used for 4, 6 and 10 cell NiCd packs. Well, the charger is specially designed for that, although charging time differs at the different battery packs. The NC510 and the TR-II PAK needs 10 hours to be recharged, when exhausted. The best way to avoid damages (overcharging degrades NiCd and NiMH cells) is to check temperature of the batteries. Charging must be cut off if the battery becomes hotter than 45 ?C (115 ?F). If after 10 hours of charge the NC510 does not power (the otherwise working) flash, then it must be serviced. Replacing the batteries is an easy job that can be done at home, with some soldering skills; NiMH cells with solder tabs are available at many web-based supplyers. Don't solder the cells directly, heat damages them. Avoid touching parts inside, when the pack is turned on: electrocuting is fully possible. Better find a professional, if you are not familiar with the electronics.

Dec 27, 2014 | Sunpak Cameras

1 Answer

How long do i charge a sunpak nc 510 rechargeable using a QBC-5 CHARGER


Sunpak uses different power sources on their high-power handle mount (a.k.a. hammerhead) flash guns. The most common is the battery basket that holds 4 or 6 AA or C batteries depending on the type of the unit. One can insert Nickel-Cadmium or Nickel-Metal-Hydride rechargeable batteries instead of the primary cells, this way reducing the "consumables" costs at the expense of the smaller number of flashes per battery set. (Actually, NiCd or NiMH cells would probably give smaller number of flashes compared with the alkaline cells, but the recycle time between the flashes can be shorter. The reason is that at charging the flash capacitor inside the flash current counts more than voltage. Sunpak sells Ni-Cd battery packs named CL-2 for their flashes that utilize 6 AA-cells, and CL-3 for their 622 series (4 C-cells). The charger for these is the QBC-5. It recharges the exhausted batteries in 3 hours. As a solution assuring the shortest duration between flashes Sunpak offered the Powerpak, a shoulder holster that held a dry (non-rechargeable) battery of 510V, it charged the flash capacitor directly, omitting the transistor inverter in the flash body. As such battery became obsolete, the Poverpak has been superseded with the NC510 and later the TR-II PAK, which utilizes 10 Ni-Cd rechargeable batteries as a power source, and a powerful (more capable than the one in the flash) transistor inverter. NC510 and TR-II PAK use the same connection to the flash and the same outlook as the original Powerpak but, being rechargeable, are more economical. QBC-5 also serves a charger for the NC510 and TR-II PAK. You may ask, how the same charger can be used for 4, 6 and 10 cell NiCd packs. Well, the charger is specially designed for that, although charging time differs at the different battery packs. The NC510 and the TR-II PAK needs 10 hours to be recharged, when exhausted. The best way to avoid damages (overcharging degrades NiCd and NiMH cells) is to check temperature of the batteries. Charging must be cut off if the battery becomes hotter than 45 ?C (115 ?F). If after 10 hours of charge the NC510 does not power (the otherwise working) flash, then it must be serviced. Replacing the batteries is an easy job that can be done at home, with some soldering skills; NiMH cells with solder tabs are available at many web-based supplyers. Don't solder the cells directly, heat damages them. Avoid touching parts inside, when the pack is turned on: electrocuting is fully possible. Better find a professional, if you are not familiar with the electronics.

Jan 08, 2014 | Sunpak Cameras

1 Answer

Flashing led's on battery pack


Charles,
The battery turns on steadily or blinks to indicate battery charge status.
If the computer is connected to an electrical outlet, the light operates as follows:
  • Solid blue - The battery is charging.
  • Flashing blue - The battery is almost fully charged.
If the computer is running on a battery, the light operates as follows:
  • Off - The battery is adequately charged, or the computer is turned off.
  • Flashing orange - The battery charge is low.
  • Solid orange - The battery charge is critically low
Thank You,
Dell-Jesse L
Dell Social Media and Communities

Jul 28, 2013 | Dell Inspiron 1420 Notebook

1 Answer

Using a Sunpak 555 with Cybersync transmitters with a canon 40D off camera and getting inconsistent firing


did you find a solution? ive experienced a similiar problem. i think i might need to buy new flashes.

Aug 13, 2012 | Sunpak Auto 555 TTL Flash

2 Answers

Ryobi charger model # 140295003 has a red and yellow light. When charging red light is on what does the yellow light mean? Also how long should the battery be left in the charger?


Completely wrong. Quoting from the user's manual:

"The charge indicator light (LED), located on the charg- ing stand, will light up red and glow when the char- ger is properly connected to power supply. This light indicates the charger is operating properly. It will remain on until battery pack is removed from charging stand or charger is disconnected from power supply.

After normal usage, 3 hours or less of charging time is required to fully recharge battery pack.

If both red and orange LED indicators glow, the battery pack is deeply or completely discharged, and 6 hours or longer of charging time is required to fully recharge battery pack.

Note: If charger does not charge battery pack or orange LED continues to glow after more than 30 minutes of charging, return battery pack and charging assembly to your nearest Ryobi Authorized Service Center for electrical check."

So to summarize: red = charging. orange (yellow) = fully discharged battery. orange after 30 minutes - bad battery or bad charger.

Apr 23, 2011 | Garden

1 Answer

How does the Sunpak Auto 555 Thyristor Flash Unit work concrning a battery? Does it always need the ourside battery pack unit also?


When internal cells are fully charged it do not need external ones

http://www.photographyreview.com/mfr/sunpak/flashes/PRD_84012_3121crx.aspx

Aug 07, 2010 | Sunpak Auto 555 TTL Flash

1 Answer

My glowbouy flashes green and red...what does this mean


According to the owners manual for these swimming pool lights, this is what each colored indicator means. Hope this helps.


Solid green
The battery pack is fully charged.
Slow flashing green
The battery pack is almost fully charged.
Slow flashing yellow
The battery pack is half charged.
Medium flashing yellow
The battery pack is less than half charged.
Fast flashing yellow
The battery pack has almost no charge.
Fast flashing red
A charging error has occurred and the light should be unplugged and then plugged back in. If the Fast Flashing Red persists after several attempts, the battery condition is questionable.



Also in the trouble shooting guide, it mentions this:


Problem: Red Indicator Light Is Flashing While Charging

Solution:
A red flashing indicator light when charging indicates a selftest
error condition. Unplug the product and plug it in again.
Try this several times; if the indicator light continues to flash
red, unplug the GlowBuoy and take it to an authorized service
depot.

Oct 22, 2009 | NRS CANTAR GLOW BUOY FLOATING POOL LIGHT...

1 Answer

Sunpak 555 keeps flashing on it's own


Test button pins shorted to ground.

Could also be center pin shorted to ground.

atdlee@netzero.com

Nov 09, 2006 | Sunpak Auto 555 TTL Flash

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