Chapter 6: Maintaining the Protector Filtered Hood
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Fan Box Replacement
Overview
1. Remove front panels to expose the technology.
2. Identify your failed fan box, 1, 2, 3, 4 or 5.
3. Write down all parameters under “Hood status.”
4. Turn off hood.
5. Remove failed fan box.
6. Put in new fan box.
7. Follow the Reconfiguration process.
Step 1 – Remove front panels
Using your ladder, remove the panel or panels so you can access the RFID filter
tags later in this procedure.
Step 2 – Identify your failed fan box
As you stand in front of the hood looking left to right, the leftmost stack of
technology is fan #1, to the right of that is fan #2, and to the right of that fan #3, 4,
or 5, based on the size of your hood (M1, M2, M3, M4, or M5).
The micro switches are set accordingly based on their position, 1,2,3,4 or 5. So
identify what number the failed fan box is and make note of the micro switch
settings.
Make sure that the micro switch setting on the new fan box is set to match the
failed one’s settings that you are removing.
Step 3 – Write down parameters under “Hood Status”
Using a maintenance card, place it in the card reader and press “Ok” on the
“Hood status” menu to open it.
It may be necessary to press “Ok” again to open the “Hood Status” menu again.
Then arrow up or down to record the following on paper:
DHCP: X
IP: XXX.XXX.XXX.XXX
MSK: XXX.XXX.XXX.XXX
GW: XXX.XXX.XXX.XXX
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