<img alt="" src="http://www.uhygtf1.com/96478.png" style="display:none;">


APS750 FRONT L

To speak to a technical support specialist, please contact us at 781-935-3450

You can also click here to submit a trouble ticket to a technical support specialist.  

Component

Problem

Source of Problem

Solution

750 / 1250 watt inverter

No AC Output (All indicator lights are OFF)

Unit is not properly connected to utility power.

Connect unit to utility power.

 

"        "

Operating Mode Switch is set to "DC OFF" and AC Input is present.

Set Operating Mode Switch to "AUTO/REMOTE" or "CHARGE ONLY".

 

"        " 

This is normal when the Operating Mode Switch is set to "CHARGE ONLY" and AC input is absent.

No correction is required.  AC output will return when AC input returns.  Set Operating Mode Switch to "AUTO/REMOTE" if you require AC output.

 

"        " 

Output circuit breaker is tripped.

Reset circuit breaker.

 

 "        "

Unit has shut down due to battery overcharge (preventing battery damage).

Disconnect any auxillary chargers. Reset by moving Operating Mode Switch to "DC OFF".  Wait 1 minute and switch to "AUTO/REMOTE" or "CHARGE ONLY".

 

 "        "

Unit has shut down due to excessive battery discharge (displays < 11 volts).

Use a 10 Amp trickle charger to raise battery above 11 volts. Check external battery connections and fuse. Unit automatically resets when condition is cleared.

 

 "        "

Connected batteries are dead.

Check and replace old batteries.

 

 "        " 

Unit has shut down due to overload.

Reduce load. Reset by movig Operating Mode Switch to "DC OFF". Wait 1 minute. Switch to "AUTO/REMOTE" or "CHARGE ONLY".

 

Battery Not Recharging (AC Input Present) 

 Connected batteries are dead.

Check and replace old batteries.

 

 "        "  

 Battery fuse is blown.

Check and replace fuse.

 

  "        " 

Battery cabling is loose.

Check and tighteb or replace cabling.

 

 "        "  

Unit has shut down due to battery overcharge (preventing battery damage).

Disconnect any auxillary chargers.  Reset by moving Operating Mode Switch to "DC OFF". Wait 1 minute and switch to "AUTO/REMOTE" or "CHARGE ONLY".

 

 "        "  

Charger Enable/Inhibit Switch inadvertently set to "INHIBIT".

Set Charger Enable/Inhibit Switch to "ENABLE".

 

 "        "  

Charger circuit breaker is tripped.

Reset circuit breaker.

 

All three "BATT VOLT/CHRG CURR" LEDs are slowly flashing (1/2 second flashes) with Operating Mode Switch in "AUTO/REMOTE" position.

Battery is excessively discharged. Unit will shut down to prevent battery damage.

Use a 10A trickle charger to raise battery voltage. Check external battery connections and fuse. Unit automatically resets when condition is cleared.

 

All three "BATT VOLT/CHRG CURR" LEDs are slowly flashing (1/4 second flashes) with Operating Mode Switch in "AUTO/REMOTE" position.

Battery is overcharged. Unit will shut down to prevent battery damage.

Disconnect any auxillary chargers. Reset by moving Operating Mode Switch to "DC OFF". Wait 1 minute and switch to "AUTO/REMOTE" or "CHARGE ONLY.

 

Red "LOW" Battery Indicator Light is flashing with Operating Mode Switch in the AUTO/REMOTE" position.

Battery voltage is low. Unit has shut down to protect battery from damage.

If AC Power is present, the unit will automatically reset itself and start recharging connected batteries. If an external charger is used to recharge batteries, you will need to manually reset the unit by moving the Operating Mode Switch to "DC OFF" for two seconds, then returning it to "AUTO/REMOTE".

 

 "        "  

False reading due to undersized or insufficently connected DC cabling.

Use larger sized DC cable or ensure sufficiently connected to Inverter/Charger.

 

Red "LOAD" Operation Indicator Light Flashing

Inverter is overloaded. Unit will automatically shut down after 5 seconds.

Reduce load. Reset by moving Operating Mode Switch to "DC OFF". Wait 1 minute. Switch to "AUTO/REMOTE" or "CHARGE ONLY".

To speak to a technical support specialist, please contact us at 781-935-3450

NB SERIES computer cart with power

 

Do you want to share?

    

Support - Contact Us

This is a secured form