Smart Power Systems HR-30 (3-Phase) - Manual (Page 39)

Smart Power
®
Systems
A. C. MODULAR GENERATOR SYSTEM
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will be removed and replaced by another screen. The fault has been cleared
and the timer reset.
c. When the fault has been cleared, the system automatically enters purge mode
to purge any entrapped air from the hydraulic lines (see Figure 13). The system
must be purged for 30 minutes, 20 of which must be with the generator ON.
Turn off the main power breaker during purge. While purging, the system will
not produce usable electrical power.