Delta DPS-400K - Page 143

11-7
11
Troubleshooting
No. Alarm Message Possible Cause Solution
46 BATTERY
BREAKER OFF
Battery circuit breaker is
turned off.
1. Check if the battery circuit breaker
is turned off. If yes, turn it on.
2. If the battery circuit breaker is
turned on but the alarm still exists,
contact service personnel.
47 EXT PARALLEL
UNCOMPATIBLE
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between parallel UPSs are not
compatible.
Contact service personnel.
48 FRAME OVER
AUTO RECOVER
LIMIT
System’s repeated auto
pro
tection frequency is over
limit.
Contact service personnel.
49 PWR UNIT #n
OVER AUTO
RECOVER LIMIT
Power unit’s repeated auto
protection frequency is over
limit.
Contact service personnel.
50 OUT OF ECO
RANGE
Bypass voltage or frequency is
out of ECO mode limit.
Check the bypass voltage and
frequency.
If abnormal, contact service
personnel.
51 FAN MODULE
FAIL
1.
System fans or module fans
are abnormal.
2. Foreign matter is stuck in
the fans.
1. Check if the fans have
abnormalities.If yes, contact
service personnel.
2.
If foreign matter is blocking a fan,
re
move it. After removing the foreign
matter, double check whether all
fans can run normally. If not, contact
service personnel.
52 DUST FILTER
REPLACEMENT
REQUIRED
1. System date is wrongly set.
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clean date is due.
1. Check if the system date is set
correctly.
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reset the replacement/ clean date.
53 MAINS INPUT
BREAKER OFF
The Input Switch (Q1) is
turned off.
1.
Check if the Input Switch (Q1) is
turned off. If yes, turn it on.
2. If the Input Switch (Q1) is turned
on but the alarm still exists, contact
service personnel.