Fujitsu PRIMEQUEST 400 Series, Installation Manual, Page: 376 / 446

C-2 C122-E001-10EN
Appendix C Power Control
C.1.1.1 Power-on procedure using circuit breakers (PRIMEQUEST
580A/540A/580/540/480/440)
Note on power-on
Switch on the circuit breakers from the base cabinet.
Unless all circuit breakers are switched on, the system may not start normally because
of insufficient PSU power supply. Switch on all circuit breakers in quick succession.
Remarks: When switching off and on a main line switch, wait at least 10 seconds
after switching it off before switching it on again.
If the circuit breaker is switched off because an overcurrent was detected, a problem
such as a short circuit occurred in the main unit. If the circuit breaker is switched on
again under this condition, the circuit breaker on the distribution panel may be
switched off and a burnout may occur in the main unit. To prevent this problem, do
not switch on the circuit breaker again, and call a certified service engineer.
Power-on procedure
1
Switch on the circuit breakers on the main unit.
Open the rear door of the base cabinet, and set the all breaker switches near the
top of the cabinet to the | side.
Figure C.1 Circuit breaker locations (base cabinet)
Breaker switch