Delta HPH-100K, Руководство пользователя, Страница: 76 / 80

7 2
Ultron HPH Series UPS
No. Alarm Message Possible Cause Solution
16 INVERTER SOFT
START FAIL 1. Inverter detection is abnormal.
2. Inverter’s driver is damaged.
Contact service personnel.
17 INNER
COMMUNICATION
FAIL Inner communication cable is not
well connected. Contact service personnel.
18 PFC SUPERVISOR
FAIL PFC CPU is damaged. Contact service personnel.
19 DC BUS HIGH
SHUTDOWN 1. Output has abnormalities.
2. The UPS has internal faults.
Contact service personnel.
20 DC BUS LOW
SHUTDOWN 1. Output has abnormalities.
2. The UPS has internal faults.
Contact service personnel.
21 INPUT FUSE FAIL Input fuse is broken. Contact service personnel.
22 INVERTER
SUPERVISOR FAIL Inverter CPU is damaged. Contact service personnel.
23 PFC SOFT
START FAIL
5HFWL¿HUWXEHLVGDPDJHG
2. Driver is damaged.
Contact service personnel.
24 BYPASS PHASE
SEQUENCE FAIL Bypass phase sequence is wrong. Please check bypass phase
sequence.
25 NTC OPEN FAIL 1. NTC is not connected well.
2. NTC line is broken.
Contact service personnel.
26 INVERTER OUTPUT
SCR SHORT 1. Inverter SCR driver is
abnormal.
2. Inverter SCR is damaged.
Contact service personnel.
27 BATTERY LOW
SHUTDOWN Battery voltage is low. Charge the batteries.
28 LCD error or no
response LCD fail or communication fail or
noise interference 1. Simultaneously press the UP
( ) and DOWN ( )
function keys for around 5
seconds to reset the LCD.
2. If the error still exists, contact
service personnel.
NOTE:
If all possible causes are eliminated but the alarm still appears, please contact your local
dealer or customer service.