42
warning
Possible cause
Solution
Code
Description in the lCD panel
72
on Maintain bypass
(> 3 kVA models only)
Manual bypass switch on byPASS position
and/or the protection cover of the switch is
removed.
Check the position of the swith and/or the protection cover is fitted in.
82
Ambient over temperature
Ambient temperature of the room is high.
Check the cooling of the room and the distance with the environment is as
minimum the one stated in section 1.2.3.2..
83
Ambient nTC abnormal
(Up to 3 kVA models only)
Ambient temperature of the room is higher
than the stated in the specifications.
Check the cooling of the room and the distance with the environment is as
minimum the one stated in section 1.2.3.2..
84
Fan Failure
Fan blocking or fault or failure of its power
supply.
Check the fans of the UPS.
86
Heatsink over Temperature
pre-alarm
(Up to 3 kVA models only)
Temperature inside the equipment is very high
, in short the temperature will exceed the UPS
limit temperature for blocking it.
Check the UPS cooling, the ambient temperature of the room and the the
distance with the environment is as minimum the one stated in section
1.2.3.2.
if the UPS transfers to bypass mode, it will come back to its normal operating
when the temperature is below of the blocking level.
if the problem persists, shutdown the UPS, amke sure that the air flow around
the UPS is not restricted and take out any heat source. leave the equipment
cool and re-start it up.
87
Heatsink nTC abnormal
(Up to 3 kVA models only)
94
byp Relay Sticked
(> 3 kVA models only)
Static bypass relay activated.
Consult our KESS Support-Team.
A3
Fatal EEPRoM Fault
(> 3 kVA models only)
UPS can't read the EEPRoM properly. internal
fault.
Consult our KESS Support-Team.
Tab. 9 Troubleshooting guide. warning indications.
7.2.3. Troubleshooting guide. other
circumstances
Circumstance or condition
Possible cause
Solution
Code
Description in the lCD panel
01
bypass Abnormal
bypass power supply out of range.
Check the status of the AC bypasss.
02
Utility Abnormal
input power supply out of range.
Check the status of the AC input mains.
03
HE Abnormal
bypass power supply out of range on ECo mode
operating.
Check the status if the AC input mains.
17
AbM State Charging
battery charger on charge status.
-
18
AbM State Floating
battery charger on floating status.
-
19
AbM State Resting
battery charger on rest mode (no operation).
-
1A
AbM State oFF
battery charger shutdown.
-
1b
battery Test Fail
battery test fault
Repeat the process. if the result is the same consult with the S.T.S.
1C
battery test interrupt.
battery test process interrupted.
-
51
UPS Control Power on
UPS control start up.
-
52
UPS on from Panel
UPS start up through the control panel.
Check the status if the AC input mains.
53
UPS on from CoM
Start up through the CoM port.
-
54
UPS Auto on
Automatic start up.
-
55
UPS off from Panel
UPS shutdown by the control panel.
-
56
UPS off from CoM
Equipment shutdown through the CoM port.
-
57
UPS Auto off
Automatic shutodwn of the equipment.
-
62
in battery mode
An AC power supply failure has ocurred and the
UPS is on battery mode.
The UPS is supplying energy to the load with the battery energy. Shutdown
the load gradually and the equipment too.
63
in ECo mode
The UPS is on bypass when the it works on ECo
mode.
The UPS is on bypass as normal mode of operating with high efficiency. The
battery mode is available, so the load protection too.
65
in converter mode
The equipment works as frequency converter.
on this operating mode, the bypass is disabled and the load limit is the 70% of
the nominal of the equipment.
A2
Clock Set done
Time setting done.
-
Tab. 10 Troubleshooting guide. other circumstances or condi-
tions.
