A P P E N D I C E S
Series 8000™ O&M Manual
77
5.1
Faults and System Standby
If any of the following fault conditions lasts two seconds or longer,
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it
may force the ACU into standby:
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Azimuth encoder fault (pg. 81)
Azimuth immobile (pg. 80)
Azimuth motor controller fault (pg. 81)
Azimuth reversed (pg. 80)
Azimuth runaway (pg. 80)
Azimuth travel limit switch tripped (pg. 81)
Can't access settings file (pg. 88)
Can't access tracking history file (pg. 89)
Drive cabinet network interface misconfigured (pg. 90)
Drive disabled at control panel (pg. 84)
Elevation encoder fault (pg. 82)
Elevation immobile (pg. 82)
Elevation motor controller fault (pg. 82)
Elevation reversed (pg. 82)
Elevation runaway (pg.82)
Elevation travel limit switch tripped (pg. 82)
Emergency stop pressed (pg. 84)
ENC firmware update failed (pg. 86)
Encoder (ENC) communication failure (pg. 86)
Encoder (ENC2) communication failure (pg. 86)
Fault condition forced standby (pg. 88)
IOC2 firmware update failed (pg. 86)
IOC2 communication failure (pg. 85)
JPB communication failure (pg. 87)
JPB firmware update failed (pg. 88)
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This delay can prevent some transient conditions from halting otherwise-normal
operations.
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I.e., it cuts power to the motors.