Stator Power and Control
Fault Isolation
Failure Possible Cause Remedy
Stator does not start during
boot-up. STATOR NOT ON
error message
Stator Start signal fails to
activate relay
Check relay on Power Motor Relay PCB (K2). Check
connections to this relay. LED across relay should light
when activated. Check voltage of 24V_INTERLOCK.
Stator Run relay fails to activate Check relay K1 of Power Motor Relay PCB. LED across
this should be on while relay is activated. Check
connections
Stator stops running System in sleep mode Operating any C-Arm function should restart the stator.
Check that the relays click and he stator restarts. If not,
reboot system.
Thermal cutout has operated Usually with ANODE HOT and/or HOUSING HOT
message displayed. Allow to cool 15 minutes and try
again.
Stator runs at 115V, tube
overheats.
Stator Start relay stuck on Check voltage applied to stator to confirm. This will
normally heat the system enough to give housing
warm/hot messages. Check if the relay operates after
being shocked. Replace Power/Motor Relay PCB.
Stator runs normally but
error messages seen
STATOR_DETECT or
STATOR_SEN problem
Check that STATOR_DETECT signal on X-Ray
Controller goes low when the stator is running. Wait 10-
15 minutes until system enters sleep mode, verify that
STATOR_DETECT goes high. Readings at analog
multiplexer input (U48 pin 20) should be 5.7V in stator
start mode, 3.4V when running normally, and zero when
stator is turned off in sleep mode..
5
Service
Periodic Maintenance
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