yellow ”Trouble power supply”
green ”Mains operation”
yellow ”Trouble battery”
yellow unused
H1
H2
Indicators vary in meaning according to operating mode:
LED ”Trouble power supply”
– Fuse F1 / F2 / F3 blown
– Input voltage >31.0V → converter malfunction
– Battery voltage >29.5V or <25V → charging module malfunction
– Battery charging module malfunction
– Temperature sensor open line / short circuit
– Temperature sensor measures >55°C
– EEPROM check sum error
LED ”Power on”
– Input voltage >28.5V
LED ”Trouble battery”
– Battery voltage <23V
– Asymmetry >1.0V or fuse F12 blown
– Eventually cell short circuit
– Open line to battery or fuse F11 / F13 blown
– Autom. test to indicate battery presence negative
– Autom. battery load test negative
LED ”Trouble power supply”
– Fuse F1 / F2 / F3 blown
– Input voltage >31.0V → converter malfunction
– Battery voltage >29.5V or <25V → charging module malfunction
– Battery charging module malfunction
– Temperature sensor open line / short circuit
– Temperature sensor measures >55°C
– EEPROM check sum error
LED ”Power on”
– Input voltage >28.5V
LED ”Trouble battery”
– Battery voltage <23V
– Open line to battery or fuse F11 / F13 blown
– Autom. test to indicate battery presence negative
– Autom. battery load test negative
LED ”Trouble power supply”
– Fuse F1 / F2 / F3 blown
– Input voltage >31.0V → converter malfunction
– EEPROM check sum error
LED ”Power on”
– Input voltage >28.5V
LED ”Trouble battery”
– Battery voltage or external voltage <23V or >31.0V
– Autom. presence test (external voltage) negative or fuse F11 / F13 blown
LED ”Trouble power supply”
– Fuse F1 / F2 / F3 blown
– Input voltage >31.0V → converter malfunction
– EEPROM check sum error
LED ”Power on”
– Input voltage >28.5V
LED ”Trouble battery”
– no function
a) Battery operation and
symmetry monitoring
b) Battery operation without
symmetry monitoring
c) Operation with external
voltage (instead of battery)
d) Operation without battery
or external voltage
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