SAMLEX AMERICA INC. | 107
SECTION 7 | Fault Messages and Troubleshooting Guide
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Fault Message
Symptoms and Troubleshooting
6
Output over load!
Output over load 1!
Output over load 2!
Output over load 3!
Output over load 4!
EVO™ Inverter/Charger is in FAULT MODE because of overload conditions in Inverting Mode:
• There will be no AC output because the Inverter Section will be switched OFF. The Blue LED
marked “Status” will be switched OFF and the Red LED marked “Fault” will be steady ON. The
buzzer in EVO™ Inverter/Charger will beep steady
• EVO™ Inverter/Charger will be latched in OFF condition and will require manual reset
by powering OFF, waiting for 1 minute and then powering ON again
• Ensure that overloading is limited to the specied limit
Output voltage is less than 96Vrms for 300 cycles (5 seconds at 60Hz)
Output power is over the Power Boost Rating (110%) for 30 min
Output power is over the Power Boost Rating
• 120% for 10 min for EVO-1212F / 1212F / 1224F / 1224F-HW
• 120% for 5 min for EVO-2212 / 3012 / 2224 / 4024
Output power is over the Power Boost Rating (140%) for 30 seconds
• 140% for 1 min for EVO-1212F / 1212F / 1224F / 1224F-HW
• 140% for 30 sec for EVO-2212 / 3012 / 2224 / 4024
Output power is over the Power Boost Rating (150%) for 5 seconds
• 150% for 30 sec for EVO-1212F / 1212F / 1224F / 1224F-HW
• 150% for 5 sec for EVO-2212 / 3012 / 2224 / 4024
7 Output short circuit!
EVO™ Inverter/Charger is in FAULT MODE because there is a short circuit on the output side in Inverter
Mode. Short circuit protection is activated when: (i) EVO-1212F/1212F-HW/1224F/1224F-HW: Output
voltage is < 15Vrms for 6 cycles and output current is > the rated output current of 10.00Arms, (ii) EVO-
2212/2224: Output voltage is < 15Vrms for 6 cycles and output current is > the rated output current
of 18.33Arms (iii) EVO-3012: Output voltage is < 15Vrms for 6 cycles and output current is > the rated
output current of 25.00Arms and (iv) EVO-4024: Output voltage is < 15Vrms for 6 cycles and output
current is > the rated output current of 33.33Arms
• There is no AC output because the Inverter Section has been switched OFF. The Blue LED marked
“Status” will be switched OFF and the Red LED marked “Fault” will be steady ON. The buzzer in
EVO™ Inverter/Charger will beep steady
• EVO™ Inverter/Charger will be latched in OFF condition and will require manual reset
by powering OFF, waiting for 1 minute and then powering ON again
NOTE: If there is short circuit condition in Charging Mode i.e. when AC input is available, short circuit
condition on the output side will trip the AC input breaker. The load will be transferred to the Inverter
Section and the Inverter Section will then see short circuit condition and will shut down as described
above
8 Output failure!
EVO™ Inverter/Charger is in FAULT MODE because AC input from Grid / Generator has been connected
to the AC Output terminals by mistake. 10VAC or above seen at the AC Output Terminals at the time
of boot up of EVO™ Inverter/Charger will activate this protection
• The Blue LED marked “Status” will be switched OFF and the Red LED marked “Fault” will be
steady ON. The buzzer in EVO™ Inverter/Charger will beep steady
• EVO™ Inverter/Charger will be latched in OFF condition and will require manual reset
by powering OFF, waiting for 1 minute and then powering ON again
Check the connection. If there is 10V over at the output terminal, remove the connection.
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