Figure 5-21, High Battery Fault; Figure 5-22, High Battery Temp Fault - Magnum Energy ME-MR Owner's Manual

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Owner's manual (50 pages)

Table Of Contents

Table of Contents

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FET Overload Fault – The inverter/charger has shut down because the

internal FETs (Field Effect Transistors) have quickly exceeded a safe operating

temperature. Once the FETs have cooled, perform a manual restart.

Remedy: If the fault continues to occur, disconnect all the inverter's

AC output wires and reset the inverter (see Section 6.2). If this fault

does not clear after doing a reset, the inverter may require service.

FAULT !

High Bat

•

High Battery Fault – The inverter turned off because the battery

voltage is above the High Battery Cut-Out (HBCO) value. The inverter

automatically restarts and resumes operation when the battery voltage

drops 0.3 VDC (12-volt models), 0.6 VDC (24-volt models), or 1.2 VDC (48-

volt models) below the HBCO value. The HBCO value is dependent on your

inverter revision and model.

Remedy: This fault usually occurs when an external DC source is

charging the inverter's battery bank. Turn off any other additional

charging source to allow the DC voltage level to drop.

FAULT !

HiBaTemp

•

High Battery Temp Fault – This fault message indicates the inverter/

charger has shut down because the Battery Temperature Sensor (BTS) has

reached a temperature greater than 54°C/129°F.

Remedy: Once the BTS cools down (≤49°C/120°F), it automatically

restarts and continues operation. As a precaution, check the BTS

location; if placed on a battery, ensure they are not overheated, or

that the BTS has not been placed in a hot area or near a hot de-

vice. If neither of these are the issue, then monitor the BTS display

under the TECH: Bat Temp menu—this reading should be above

54°C/129°F. Now remove the BTS from the inverter's BTS port. If

the BTS reading goes to 25°C/77°F, replace the BTS. If the reading

does not go to 25°C/77°F, then inspect the BTS port for cleanliness

and/or have the inverter/charger serviced.

High Bat appears on the LCD and

the FAULT (red) LED is on. The INV

(green) LED is off.