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13

Chapter 6:
Troubleshooting

If the UPS does not function properly, please check the
troubleshooting chart below. When the unit has to be returned
to the dealer for service, write down the information below:

- Model number and serial number
- Date of purchase
- Full description of the problem

Finally, pack the UPS in the original carton.

Troubleshooting Chart

Problem

Possible Cause

Action

UPS is not switched
on
LED is not lit

1 on/off/test/silence
button not pressed or
pressed too short
2 battery voltage less
than 10V
3 PCB failure

4 load less than 15W
in battery mode

1 press the on/off/
test/silence button for
more than 1 sec.
2 recharge the UPS
for at least 4 hours
3 PCB needs to be
replaced, call for
service
4 normal condition

UPS is always in
battery mode

1 power cord is loose
2 AC fuse has burned
out
3 line voltage is too
high, too low or has
blacked out
4 PCB failure

1 reconnect it
2 replace the AC fuse
3 normal condition
4 PCB needs to be
replaced, call for
service

Back-up time is too
short

1 battery is not fully
charged
2 PCB failure

1 recharge the UPS
for at least 4 hours
2 PCB needs to be
replaced, call for
service

Buzzer is
continuously beeping

1 overload

1 remove the non
critical devices

Red LED is lit

battery failure

recharge the UPS for
at least 4 hours, if the
problem is not solved,
replace the battery,
call for service

Содержание Energy Protector 325

Страница 1: ...Trust Energy Protector 325 525 User s Manual...

Страница 2: ...nties of merchantability and fitness for a particular purpose with respect to the software the product manual s and written materials and any other accompanying hardware The manufacturer reserves the...

Страница 3: ...ions 1 Chapter 2 System Description 3 Chapter 3 Setup 7 Chapter 4 Operation Maintenance 9 4 1 How to operate the UPS 9 4 2 How to maintain the UPS 10 Chapter 5 Software 525 11 Chapter 6 Troubleshootin...

Страница 4: ...25 including an on line voltage boost up and buck down The Trust Energy Protector is based on microprocessor controls This means that it operates as soon as the utility power is connected so there is...

Страница 5: ...e high voltage even if the unit is not powered on When the fuse has blown replace it only with a fuse of the same type to reduce the risk of fire The battery should only be serviced by experienced per...

Страница 6: ...2...

Страница 7: ...attery indicator red LED The LED illuminates when the UPS s battery needs to be replaced Note When replacing the battery disconnect the power cord before opening the cover Be aware of the battery s po...

Страница 8: ...s than 1 second to activate the self test or silence the backup alarm 5 Backup mode slow alarm In this mode the yellow LED illuminates and the UPS sounds an audible alarm The alarm stops when the UPS...

Страница 9: ...gure 2 Rear panel 1 Computer Interface 525 The interface provides a RS 232 serial connection and a relay signal to support Novell Unix Windows DOS and other operation systems 2 Power output 3 Power in...

Страница 10: ...6...

Страница 11: ...he UPS in a protected area with adequate air flow and free of excessive dust Do not put the UPS in an area with extreme temperatures or humidity 2 Connecting Computer Interface Optional UPSMON or othe...

Страница 12: ...e battery The UPS charges its battery whenever it is connected to the mains For best results charge the battery for 4 hours when you use the UPS for the first time 5 Connecting devices Use the supplie...

Страница 13: ...of the battery When the UPS is switched on press the on off test silence button for less than 1 second The UPS will immediately start the self test During the self test the UPS operates in the Backup...

Страница 14: ...a little maintenance is required Please pay attention to a few helpful instructions Make sure the UPS is off before you attempt to clean it Do not use liquid or aerosol cleaners use only a water damp...

Страница 15: ...r to the READ ME file for installation instructions and available features UPSMON displays all the diagnostic symptoms on your monitor such as voltage frequency battery level etc It is also possible t...

Страница 16: ...12 Figure 5 UPSMON for Windows...

Страница 17: ...ss the on off test silence button for more than 1 sec 2 recharge the UPS for at least 4 hours 3 PCB needs to be replaced call for service 4 normal condition UPS is always in battery mode 1 power cord...

Страница 18: ...age transfer at 75 nominal over voltage re transfer at 121 nominal under voltage re transfer at 79 nominal 0 3 ms inverter to line 2 ms line to inverter AVR on line mode on line boost up on line buck...

Страница 19: ...rgy 320 Joules 2 ms clamping voltage 765 50A Interface D type 9 pin connector provides both RS 232 and contact signal and many functions such as power failure battery low UPS shutdown power failure hi...

Страница 20: ...low signals to the PC and receive shutdown signal and scheduled on off time table from the PC Figure 6 D type 9 pin connector 1 contacts normally open 2 signal high minimal 1 second 3 low battery 4 ma...

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