UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE

STEP 11 Insert the CPR back into the LPM.

STEP 12 Fasten the CPR and LPM with the four screws.

STEP 13 Connect the disconnected power, bus, and ether cables to the relevant connectors. STEP 14 Turn ON the SW key on the PZ-PW92.

STEP 15 Connect the disconnected power alarm cable to the PALM connector on the PZ-PW92.

STEP 16 Analyze the indicated system message. The message displayed when the PWR SW on the PZ- PW92 was turned OFF.

STEP 17 Clear the indicated ALM and confirm that the ALM lamp is not lit again, indicating that the cooling fan is replaced securely.

REAR

FRONT

CPR

Figure 4-27 How to Remove the Cooling FAN

NDA-24300CHAPTER 4

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NEC NDA-24300 manual How to Remove the Cooling FAN