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Diagnostics Optimization CT MODBUS RTU Technical Data
Installation and System Design Guide 67
Issue Number: 1
3.10.1 Real time clock battery replacement
Those keypads which have the real time clock feature contain a battery to ensure the clock works when the drive is powered down. The battery has a
long lifetime, but if the battery needs to be replaced or removed follow the instructions below.
Low battery voltage is indicated by
low battery symbol on the keypad display.
Figure 3-44 KI-Remote Keypad RTC
Figure 3-44 above illustrates the rear view of the KI-Remote Keypad RTC.
1. To remove the battery cover insert a flat head screwdriver into the slot as shown (1), push and turn anti-clockwise until the battery cover is
released.
2. Replace the battery the battery type is: (CR2032).
3. Reverse point 1 above to replace battery cover.
Ensure the battery is disposed of correctly.
3.10.2 Fan removal procedure
Figure 3-45 Removal of the size 3, 4 and 5 heatsink fan (size 3 shown)
1. Ensure the fan cable is disconnected from the drive prior to attempting fan removal.
2. Press the two tabs (1) inwards to release the fan from the drive frame.
3. Using the central fan tab (2), withdraw the fan assembly from the drive housing.
Replace the fan by reversing the above instructions.
If the drive is surface mounted using the outer holes on the mounting bracket, then the heatsink fan can be replaced without removing the drive from
the backplate.
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