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Maintenance
Introduction 4
4-3
Introduction
The instrument itself is maintenance-free.
Maintenance of Battery Package
Note
We recommend carrying out a forced battery discharge at regular time
intervals (no longer than 3 months) to maintain the battery capacity as long
as possible. It is recommended to replace the battery every 2 years to
ensure full operational readiness for UPS.
Procedure:
1. Connect the instrument to mains.
2. Set the mains switch to the I-position.
3. Wait until the POWER LED is on.
4. Disconnect the power supply.
5. Wait until the POWER LED goes off.
6. Set the mains switch to the 0-position.
7. Wait until the LEDs POWER and UPS are flashing rapidly.
8. Within 3 second set the mains switch to I-position again.
The battery package will be discharged completely when:
• LED POWER is OFF
• LED UPS is flashing slowly
• LEDs MEMORY LEVEL show flashing light, the number of LEDs lighting up
indicates the remaining time period for discharging in minutes (e.g. 5 LEDs
means that the discharging will last for appr. 5 minutes)
• Afterwards the instrument is turned off automatically
Note
For terminating the forced discharge mode at any time, connect instrument
to mains or set the mains switch to the 0-position.
Cleaning
The device can be cleaned with an Isopropanol impregnated cloth.
W Caution
Do not use abrasives or other solvents.
1.888.610.7664 sales@GlobalTestSupply.com
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