20
MASTERYS
BC 60-80 kVA - Ref.: IOMMASBCXX06-EN 06
Meaning of LEDs
LED
L1
L2
L3
L4
L5
L6
L7
COLOUR
GREEN
YELLOW
GREEN
GREEN
YELLOW
GREEN
RED
ON
Rectifi er and
Battery char-
ger on
Operation
from battery-
battery test
Inverter on
Auxiliary input
mains present
and Ok
Output on
automatic
bypass mode
Output pow-
ered
Activation
code alarm-
Maintenance
FLASHING
Rectifi er
alarm
Battery sec-
tion alarm
Inverter failure
or fault
Auxiliary input
mains out
of tolerance
General
bypass alarm
Bypass gen-
eral alarm
Inverter failure
or fault
General alarm
OFF
No input
mains present
Battery
charged
Inverter off or
power supply
from auto-
matic bypass
Auxiliary input
mains not
present
Power supply
from inverter
Load not
powered
No alarms
5.1.1. Meaning of LEDs
5.1.1-1
L2
L1
L3
L4
L5
L6
L7
5.1.2. Meaning of light bar status
The light bar
B
(figure 5.1-1) provides immediate indication of the condition of the power supply to the load:
• Red: power supply not present or shutdown imminent.
• Yellow: power supply present but unstable or temporary.
• Green: power supply stable and regular.
5. MIMIC PANEL
Meaning of light bar status
Colour
Condition displayed
RED fl ashing
Imminent shutdown alarm (the load will be disconnected in a few minutes)
RED
Load not powered or battery circuit open
YELLOW fl ashing
Alarm requesting standard maintenance after over 25,000-30,000 hours of operation according to
conditions of use (type of load, temperature), (L7 fl ashing and alarm A44) UPS on standby
YELLOW
Load on battery or battery discharging if LED 2 is on continuously
YELLOW
On automatic bypass if LED 5 is on continuously
YELLOW
End of fi rst maintenance period (10,000 hours) UPS in maintenance mode
GREEN fl ashing
Battery Test in progress
GREEN
Load powered by the inverter or in high effi ciency mode