Troubleshooting - Tripp-Lite SmartOnline SUTX20K Manual Del Propietário

Sistema ups trifásico 20/40kva, entrada - 220/230/240v fase - neutro 380/400/415v fase - fase, 3ph 4 hilos + tierra física
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11. Troubleshooting

If the following alerts are shown on the LCD, follow the solutions listed below.
No.
Alarm Message
1
SHORT CIRCUIT
2
INVERTER FAIL
3
OVER TEMPERATURE
4
PFC AMBIENT OVER TEMP . FAIL
5
INVERTER SCR OPEN
6
BYPASS SCR OPEN
7
OVERLOAD
8
FAN FAIL
9
BYPASS SCR SHORT FAIL
10
INPUT SCR SHORT FAIL
11
OUTPUT FUSE FAIL
12
AUX POWER FAIL
13
INDUSTRY PROTECT
14
BATTERY REVERSED
15
INPUT PHASE SEQUENCE FAIL
16
INVERTER SOFT START FAIL
17
INNER COMMUNICATION FAIL
18
PFC SUPERVISOR FAIL
19
DC BUS HIGH SHUTDOWN
20
DC BUS LOW SHUTDOWN
21
INPUT FUSE FAIL
22
INVERTER SUPERVISOR FAIL
23
PFC SOFT START FAIL
24
BYPASS PHASE SEQUENCE FAIL
25
NTC OPEN FAIL
26
INVERTER OUTPUT SCR SHORT
27
BATTERY LOW SHUTDOWN
Note: If all possible causes are eliminated but the alarm still appears, contact Tripp Lite Technical Support.
Possible Cause
Output has a short circuit issue.
Inverter is damaged.
The UPS temperature is too high.
The UPS temperature is too high.
Inverter SCR driver is abnormal.
Bypass SCR driver is abnormal.
The UPS is overloaded.
Fans are damaged or stuck.
1. Bypass SCR driver is damaged.
2. Bypass SCR has a short circuit issue.
1. Input SCR driver is damaged.
2. Input SCR has a short circuit issue.
Output fuse is broken.
Auxiliary power is damaged.
In industrial mode, output has an over
current issue.
Batteries are connected in reverse.
Input phase sequence is wrong.
1. Inverter detection is abnormal.
2. Inverter's driver is damaged.
Inner communication cable is not well
connected.
PFC CPU is damaged.
1. Output has abnormalities.
2. The UPS has internal faults.
1. Output has abnormalities.
2. The UPS has internal faults.
Input fuse is broken.
Inverter CPU is damaged.
1. Rectifier tube is damaged.
2. Driver is damaged.
Bypass phase sequence is wrong.
1. NTC is not connected well.
2. NTC line is broken.
1. Inverter SCR driver is abnormal.
2. Inverter SCR is damaged.
Battery voltage is low.
48
Solution
Contact service personnel.
Contact service personnel.
1. Choose a well-ventilated area.
2. Decrease load on UPS.
3. Check if fans run normally.
4. Clean filters if installed.
1. Choose a well-ventilated area.
2. Decrease load on UPS.
3. Check if fans run normally.
4. Clean filters if installed.
Contact service personnel.
Contact service personnel.
Remove some unnecessary loads to let
total load capacity below 95%.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Check if output is normal.
Check the batteries' polarity.
Check input phase sequence.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Check bypass phase sequence.
Contact service personnel.
Contact service personnel.
Charge the batteries.

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Smartonline sutx40k

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