SA Instruments 1030 - Page 180

Troubleshooting
Revision C, August 2013
C-2
Problem
Possible Cause
Corrective Action
See
Heater system has
cold air blowing from
the heater tube.
Wrong set point. Check that the set point is
greater than the measured
temperature.
6-3
Heater system has
cold air blowing from
the heater tube.
Power is not on. Check power to the Heater
Module. A green LED
indicates power. Check AC
connection.
6-1
Heater system has
cold air blowing from
the heater tube.
Control signal not
present.
Power indication OK, but Heat
LED not flashing. Check the
fiber optic connection to the
Heater Module. Red light
should be present in the end of
the fiber to turn on the heater
element. Check the
temperature probe, set point
and connections at the ERT
Control/Gating Module. Select
“On/Off with PWM Max Heat”
in HEATER window.
6-1
6-3
No gate detected by
MR scanner.
Improper gating setup
selection.
Check for the presence of
trigger output to the scanner
(white dots in Cardio Sweep
display). If trigger is not
present check selections in
Gating Setup menu.
3-2
3-8
No gate detected by
MR scanner.
Improper switch
setting on ERT
Control/Gating
Module.
Check for the presence of
trigger output to the scanner
(white dots in Cardio Sweep
display). If trigger indication is
present check gate output
pulse signal characteristic
switch setting is appropriate for
the MR scanner.
3-2
3-5