9
APPENDIX 1
Control panel
Explanations of the indicator LEDs:
Buttons
Reset/Test
Deep discharge protection alarm reset: press the button for 1 s to reset the
alarm. Short-time battery use test: pressing the button for 5 s switches the central
battery unit to battery use for 8 minutes. During the test, Battery use LED is lit and
Network LED is blinking. After this, the unit returns to normal mode.
Main switch
Disconnects the mains supply. Battery mode test can be performed by turning the
main switch to position 0.
LED:
Explanation:
MAIN
- The unit operates normally from the mains network.
BATTERY OPERATION - The unit is on emergency mode (supply from battery)
BATTERY OVER-
VOLTAGE
- The battery voltage is higher than normal (over 260 V)
BATTERY UNDER-
VOLTAGE
- The battery voltage is lower than normal (under 228 V)
DEEP DISCHARGE
- The deep discharge protection of the battery has acted (the voltage has
dropped under 173 V during a power failure)
LOAD
- The battery is being recharged
CURRENT LIMIT
- Indicates a too high recharging current
BATTERY FAULT
- Indicates a failure of the battery or the battery circuit
INTERNAL FAULT
- General fault notification. Lit if the battery over-voltage,
battery under-voltage, deep discharge, current limit or battery fault LED is lit
"MAINS SUPPLY" LED IS
BLINKING AND
"BATTERY USE" LED IS
LIT
- The unit is in emergency mode controlled by the remote control switch
"MAINS SUPPLY",
"BATTERY UNDER-
VOLTAGE", "BATTERY
FAULT" AND "INTERNAL
FAULT" LED IS LIT
- There is a fault in the charging circuit (batteries are not charged)