Gasboy CFN Series Diagnostic Manual - Manual (Page 50)

GASBOY CFN Series
2-24 0021
SITE CONTROLLER I PROBLEMS
Site controller is dead. No LED's are lit.
Possible Cause Checks Corrective Action
No 115VAC power to site
controller. Check if circuit breaker is off
or tripped. Turn breaker on, if off.
Check if 115VAC is being
switched through circuit
breaker. Replace breaker if 115VAC is
not being switched.
If the power conditioner has a
power switch, make sure the
switch is on. Turn power conditioner power
switch on, if off.
Check the power conditioner's
fuse or circuit breaker. If the power conditioner has a
fuse or built-in circuit breaker,
replace or reset as necessary.
Check the output voltage of
the power conditioner. If 115VAC is measured at the
power conditioner input, but
not at the output, replace the
power conditioner.
Check the site controller power
cord. Make sure both ends of the
site controller power cord are
installed properly.
Site controller power switch is
off. Check the site controller power
switch. Turn site controller power
switch on, if off.
Blown fuse in AC power inlet
on rear of site controller. Check the fuse with an
ohmmeter. Replace fuse if blown.
Defective AC filter/power inlet. Measure the voltage on the
AC connector of the Power
Supply PC board. Replace the RF filter module if
115VAC is not measured.
(Continued)