Grass Valley PFR 500/E Dec 10 2001 - Manual (Page 62)

Chapter 3 Servicing and upgrading a PFC500/E
62 PFC500/E Instruction Manual November 17, 2000
Replacing or adding a power supply module
>>> CAUTION: To access the power supplies, you must remove the drive fan pack. If
the drive fan pack is removed for more than approximately two minutes, the disk
modules power down and the RC(s) go into standby mode. The disk modules power
up when you reinstall the drive fan pack.
Handle a power supply gently and use an ESD wristband. Do not remove a power
supply until you have a replacement supply or filler module available.
IMPORTANT: If one power supply is off and the other is on, do not turn one on
and immediately turn off the other. Instead, turn one on and wait five seconds
before turning the other off.
If you are adding a new power supply, continue to the procedure that follows. If you
are replacing a faulty power supply, proceed to the power-supply removal procedure
as shown on page 64.