
46
Problem
Possible reason
Solution
Buzzer long beeps, LCD
display “29” fault code
The UPS output is in short
circuit
Make sure the load is not in
short circuit, and then restart
the UPS.
The UPS only works on
bypass mode
The UPS is set to ECO
mode, or the transfer
times to bypass mode are
limited.
Set the UPS working mode
to UPS type(non-parallel)
or to reset the times of
transferring to bypass or re-
start the UPS
Cannot Black start
Battery switch is not
properly closed:
Battery fuse is not open:
Or Battery low:
Battery quantity set
wrong;
Power breaker in the rear
panel not switch ON.
Close the battery switch:
Change the fuse:
Recharge the battery:
Power ON the UPS with AC
to set the battery quantity
&quantity;
Switch on the power breaker.
Buzzer beeps
continuously and LCD
indicates 1,3,5,9,15, etc.
fault codes
UPS is out of order
Consult with your local agent
for repair
Appendix 3 RS232 communication port definition
Definition of Male port:
Connection between PC RS232 port and UPS RS232 port
6
7
8
9
1
2
3
4
5
NC
NC
NC
NC
NC
TXD
RXD
NC
GND
Содержание STARK 10 kVA
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