Trouble Shooting - AccuLine TNplus 1000m User Manual

Step 6
Short touch the Enter button to exit the setting mode.

8. Trouble Shooting

If the UPS system does not operate correctly, check the operating status on
the LCD display. The Warning codes or fault codes are shown in the
Warning & Fault Code Table 6.1
If the UPS system does not operate correctly, please attempt to solve the
problem using the table below.
Warning
&
Fault Code
/
/
: CVF flickering after pressing the Select button. Press
the Enter button to confirm the selection
Problem
No indication,
no warning tone
even though
the system is
connected to
the mains
power supply
No
Communication
data
Possible cause
1) No input
voltage
2) Breaker open
The USB cable is
not firmly
connected
-28-
Remedy
1) Check the building
wiring, the socket
outlet and the input
cable.
2) Check the Breaker
Check or change the
USB cable