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ONEAC UPS OPERATION TROUBLESHOOTING
AND REFERENCE GUIDE
Prepared for:
Verifone Corporation
If you are experiencing problems with the operation of your UPS, please refer to the following instructions:
Prior to calling Tech Support please have the following information on hand. It is located on a white sticker located
on the back of the UPS near the receptacles:
Type of UPS Help Desk Phone Numbers
S/N: __________________
P/N: __________________ ONEAC Technical Support: 800-327-8801 Opt. 3
Unit Description
• The plug of the ONePlus unit (black box) must be plugged directly into an operating wall receptacle. Your
POS equipment must be plugged into receptacles of the ONePlus UPS.
• On the back of the ONePlus UPS's are four (4) receptacles. See drawing below. The ONE404AG-SE unit
that you have is designed to supply backup power for 5 minutes under full load and12 minutes under half
load. Note: Due to application specific conditions, your actual run time may be different.
400 VA Unit
• On the front of the unit is the On/Off button, an alarm silence button and 4 LED's (lights).
On/Off Button: Turns unit on/off. To turn unit on/off press and hold button for 3 seconds.
Alarm Silence Button: Silences the alarm. To silence the alarm press the alarm silence button.
The alarm will not silence if there is a UPS fault, low battery condition or if the
battery needs to be replaced.
LED Indicator Lights: Indicates the status of the UPS. There are four (4) LED Indicator lights. See
drawing below for reference.
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Troubleshooting
The following tables should assist you in troubleshooting your UPS. For additional assistance on troubleshooting
please contact your help desk. If further assistance is needed or you are unsure of the steps to follow, you can
contact ONEAC Technical Support at 800-327-8801 Opt. 3. They can assist you with:
1. Order replacement batteries.
2. Request service for unit not operating properly (obtain RMA# for return to factory for service)
3. Help troubleshoot any operational problems in the field.
• Under certain conditions your ONePlus UPS will give an audible alarm alerting you to a condition other
than normal operation. Your UPS may be operating on battery backup due to a power outage, power
fluctuation or some other power anomaly. No service is required under most circumstances. The UPS will
return to normal operation on its own. See below for definitions of LED's and alarm status configurations.
Problem Possible Cause Solution
Press the Power Switch
and hold for 3 seconds.
Reduce the load on the UPS by unplugging the
loads and press the circuit breaker in on the rear
panel.
Check for batteries or contact ONEAC Technical
Services for replacement
Reduce the load on the UPS by unplugging the
loads and press the circuit breaker in on the rear
panel.
Contact qualified electrician. (Note: the UPS
operates while the Site Wiring Fault is ON but
may not provide rated noise and surge
suppression.)
To Silence the alarm for an existing fault, press
the
button. If the UPS status changes, the alarm
will sound again. The alarm will not silence
if there is a UPS fault, low battery condition, or if
the battery needs to be replaced.
Contact ONEAC for replacement.
Contact ONEAC Technical Services.
• Check Battery connection or
• Replace battery.
Reduce load on the UPS (disconnect one or more
devices) and restart the UPS.
• Operating environment is too hot.
• Vent openings are blocked -2" clearance.
• Load too high.
UPS will not turn ON
UPS operates on battery
even with line voltage
present.
Site Wiring Fault is ON.
Audible Alarm is
sounding.
Fault LED is ON
Fault LED is blinking
Over Temperature LED
is ON
Front Panel Switch not engaged
UPS's input circuit breaker tripped.
Unit not plugged in Plug unit into the wall outlet.
No Batteries installed or defective
batteries.
UPS's input circuit breaker tripped.
High or low line voltage. Contact qualified electrician.
Out of frequency range. Check UPS compatibility with power source.
Ground wire connection does not
exist. Line and neutral wires are
reversed in the line receptacle.
See Table 4," System Code status
Chart," on next page.
If yellow LED is blinking, the battery
needs to be replaced.
If yellow LED is off or on solid,
there is an internal UPS fault.
If yellow LED is blinking, there is no
battery connected or detected.
If green LED is blinking or Off, the
output is overloaded.
UPS is overheated.