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6.8 How to Use the Maintenance Bypass Switch Located on the Rear Panel
IMPORTANT: Improper use of the internal Maintenance Bypass Switch will void the equipment
warranty. The following instructions must be followed whenever this switch is used.
1. Press the”Off/Bypass” button for 5 seconds to place the UPS into bypass mode.
2. Remove the phillips screw securing the lower side of the maintenance bypass security cover plate.
3. Turn the Maintenance Bypass Switch to “Bypass”. The maintenance bypass icon will be displayed on the
LCD display.
4. The UPS is now in internal maintenance bypass mode.
5. To return the UPS to normal operation, switch the Maintenance Bypass Switch to INV. Replace the switch
cover plate and secure it with the screw previously removed.
6. Press the “On” button to return the UPS to normal inverter operation.
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