Effekta ACX11MST1K0000XL, Operating Manual

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UPS MTD-XL UPS Device Description
MTD series 25
LCD-Display-Text Description
STbY The UPS is in standby mode.
IPVL The input voltage is too low.
IPVH The input voltage is too high.
IPFL The input frequency is too low.
IPFH The input frequency is too high.
NORM The UPS operates in line mode.
AVR The UPS operates in AVR mode.
bATT The UPS operates in battery mode.
TEST The UPS is in battery test / function mode.
OPVH The output in battery mode is too high.
OPVL The output in battery mode is too low.
OPST Output too small.
OVLD Overload
bATH The battery voltage is too high.
bATL The battery voltage is too low.
OVTP Internal temperature too high.
FNLK The fan is blocked or does not work.
bTWK The battery is too weak.
bTOP No battery connected or the fuse of the battery
module has been triggered.