INFOSEC UPS SYSTEM E6 LCD-RT User Manual page 22

3.5.6 UPS Is Off Due to Unknown Reason and Its Trouble Shooting
1. If there is a serious abnormal condition occurred, the UPS will lock it itself in "OFF" position
as shown in drawing AA and a abnormal message will show on the LCD screen.
2. After 3 seconds, all messages will be locked except Bypass messages (LED
In case the Utility is abnormal after the UPS is locked, the LED
LCD will be shown on the LCD screen.
3. To release the UPS lock, please proceed the followings:
 Check those error messages recorded.
 Check to see Chapter 0 to trouble shoot the problem of the UPS. Otherwise, consult
your local distributor for service.
 Press Off
 Turn Off the Breaker of Utility Input.
 The UPS lock problem is solved now, but you shall contact with your Local distributor to
make sure the error message shown is solved.
3.5.7 Shut Off
1. Press Off
the output load is supplied by Bypass loop and the LCD screen shows as drawing B.
2. Turn Off the breakers of Utility and Bypass Input.
3. The UPS is turned off completely.
3.5.8 Maintenance Bypass Mode
 It is for UPS maintenance only. A Non-authorized technician is not allowed to operate
the following procedures. If there is any damage under unauthorized condition, your
warranty will be void immediately.
 (3.5.8.1.1) Press the Off
drawing B and the UPS output is on bypass mode.
 (3.5.8.1.2)Release the cover of the CAM Switch (Maintenance Bypass Switch) first, then
turn on the CAM Switch to "Bypass" mode, and at the right-hand upper Corner of the
LCD screen will show
 (3.5.8.1.3)Turn off the UPS Utility breaker as well as Bypass Input Breaker, you then
may proceed UPS maintenance now.
(3.5.8.1.4) To repeat 0, you may put the UPS back to normal working mode, then turn

back the CAM switch to "INV" mode, fasten back the cover and repeat 0 to 0 The UPS
will switch back to
 (3.5.8.1.5) It is required to go through (3.5.8.1.1)first, then go through (3.5.8.1.2) If
you skip (3.5.8.1.1), the UPS will alert for 10 seconds to warn that the procedure is
abnormal, which may damage the UPS due to uncertain utility status. The UPS will
switch back to Inverter mode immediately if you turn the CAM switch back to "INV".
INFOSEC UPS SYSTEM – 4 rue de la Rigotière – 44700 Orvault – France – www.infosec-ups.com
21
Hot Line Tel : +33 (0)2 40 76 15 82 – fax : +33(0)2 40 94 29 51 – hotline@infosec.fr – 04 09 AA XX 201 19
key pad for 5 seconds and buzzer will sound twice.
key pad for about 5 seconds, the Inverter output will be turned off, then
key pad for approx. 5 seconds, the LCD screen shows as
sign.
inverter mode.
& LCD
will be extinguished and the
).