Service Overview
5B6331 – 01JUN99
7
Preparing the PROCESSOR for Service
De-energizing and Energizing the PROCESSOR
Warning
• Dangerous Voltage
• The PROCESSOR appears to be de-energized
when it is in the Sleep Mode. Be sure that the MAIN
CIRCUIT BREAKER CB1 is in the “O” position
before you begin any service procedure.
[1] To de-energize the PROCESSOR:
(a) Move the wall CIRCUIT BREAKER to the
“OFF” position.
(b) Lock the wall CIRCUIT BREAKER and
attach a MAGNETIC POWER WARNING
SIGN TL-1926 to warn others not to
energize the PROCESSOR while you are
performing service.
(c) Move the MAIN CIRCUIT BREAKER CB1 to
the “O” position.
[2] To energize the PROCESSOR:
(a) Remove the MAGNETIC POWER
WARNING SIGN from the wall CIRCUIT
BREAKER. Move the wall CIRCUIT
BREAKER to the “ON” position.
(b) Move the MAIN CIRCUIT BREAKER CB1 to
the “I” position.
H150_0132CA
H150_0132CCA
CIRCUIT
BREAKER
CB1
