Chapter 11 : Troubleshooting - Delta HPH-60K User Manual

Chapter 11 : Troubleshooting

No. Alarm Message
SHORT CIRCUIT
1
INVERTER FAIL
2
3 OVER
TEMPERATURE
PFC AMBIENT
4
OVER TEMP. FAIL
5 INVERTER
SCR OPEN
6 BYPASS SCR OPEN
7 OVERLOAD
8 FAN FAIL
BYPASS SCR
9
SHORT FAIL
10 INPUT SCR
SHORT FAIL
OUTPUT FUSE FAIL
11
AUX POWER FAIL
12
13 INDUSTRY
PROTECT
BATTERY
14
REVERSED
15 INPUT PHASE
SEQUENCE FAIL
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.
71
Chapter 11 Troubleshooting
Solution
Contact service personnel.
Contact service personnel.
1. Choose a well-ventilated area.
2. Decrease some loads.
3. Check if fans run normally.
1. Choose a well-ventilated area.
2. Decrease some loads.
3. Check if fans run normally.
Contact service personnel.
Contact service personnel.
Remove some unnecessary loads
to let total load capacity below
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Check if output is normal.
Please check the batteries'
polarity.
Check input phase sequence.