Troubleshooting - Unitek ALPHA 500 iS Manual Del Usuario

5. Trouble Shooting
Symptom Possible Cause
No LED display on the 1. Discharged battery.
front panel.
2. Battery defect.
3. Power switch is not pressed at least 10
seconds.
Alarm buzzer beeps Overload of the UPS.
continuously when AC
supply is normal.
During power failure, 1. Overload of the UPS.
back-up time is shorten.
2. Battery voltage is too low.
3. Battery defect due to high temperature
operation environment, or improper
operation to battery.
Main power normal but 1. Fuse is blown.
LED is flashing.
2. Power cord is loose.
6. Specification
Model
Capacity VA / W
Input Voltage
Voltage range
Frequency
Output Voltage
Voltage regulation (batt. Mode)
Frequency
Frequency regulation (batt. Mode)
Output waveform
Battery Battery type
Back up time
Recharge time
Transfer Time Typical
Indicator AC mode
Backup mode
Audible Alarms Backup mode
Battery low
Overload
Protection Full protected
Dimension, D x W x H (mm)
Weight Net weight (kg)
Environment Operating environment
Noise level
Interface RS-232
Remedy
1. Charge battery up to 8 hours.
2. Replace with the same type of battery.
3. Press and Hold power switch for at least 10
seconds.
Verify that the load matches the UPS capability
specified in the specs.
1. Remove some non critical load.
2. Charge battery 8 hours or more.
3. Replace with the same type of battery.
1. Replace the same type of fuse.
2. Reconnect the power cord properly.
Alpha 500 iS
500 VA / 260w
230 Vac
172-288 Vac
47-63 Hz (auto detection)
115vac / 230vac
±10%
50 Hz
+/-1 Hz
Modified sine wave
Sealed lead acid battery, maintenance free
10 minutes at half load
8 hours to 90% after complete discharge
Less than 3ms
Green LED lit
Green LED flashing
Sounding every 10 seconds
Sounding every 0.5 seconds
Continuous sounding
Discharge, overcharge, and overload protection
330 x 100 x 140
5.5
0- 40°c, 0-90 % relative humidity (non-condensing)
Less than 40db
Supports Windows 95/98/NT/2000 Novell, and Linux
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7. Warranty
What the warranty covers:
We warrant this product to be free from defects in material and workmanship during the warranty period. If a product
proves to be defective in material or workmanship during the warranty period, we will at our sole option repair or
replace the product with a like product.
How long the warranty is effective:
Our UPS products are warranted for two years for all parts and labor from the date of the first consumer purchase.
Who the warranty protects:
This warranty is valid only for the first consumer purchaser.
What the warranty does not cover:
1. Any product on which the serial number has been defaced, modified or removed.
2. Damage, deterioration or malfunction resulting from : (a) Accident, misuse, neglect, fire, water, lightning, or other
acts of nature, unauthorized product modification, or failure to follow instructions supplied with the product (b) Repair or
attempted repair by anyone not authorized (c) Any damage of the product due to shipment (d) Removal or installation
of the product (e) Causes external to the product, such as electric power fluctuations or failure (f) Use of supplies or
parts not meeting our specifications (g) Normal wear and tear (h) Any other cause which does not relate to a product
defect.
How to get service:
1.Take or ship the product prepaid in the original container to your dealer or any authorized service center.
2. To obtain warranty service, you will be required to provide (a) the original dated sales slip, (b) your name, (c) your
address and (d) a description of the problem.
3. For additional information or the name of the nearest service center, contact your dealer.
Life Support:
We do not recommend the use of our UPS products for life support equipment or direct care where failure of a UPS
product could cause failure of or diminished effectiveness of the life support equipment or patient care.
8. Insurance
For clauses and registering: www.unitek-europe.com
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