Advanced Energy RFG 1251, User Manual

Page: 42 / 48

7-2 Troubleshooting and Customer Support 5706058-A
Advanced Energy
®
Troubleshooting Tables
Table 7-1. No Power
AC
ON
LED
RF
ON
LED
Intlk
Open
LED
Over
temp
LED
Power
Limit
LED
Probable Cause Action
On Off On Off Off The interlock string
is open. The RF out-
put cable is not con-
nected or loose. Pins
10 and 23 on the
User port are not
connected. Install and/or tighten the
RF output connector. Con-
nect pins 10 and 23 on the
User port. After the condi-
tion is resolved, toggle the
RF On command off and
then back on again.
Off Off Off Off Off The circuit breaker
is off. The generator
had no cooling
water for a long
period of time
resulting in AUX
supply shut down. Turn the circuit breaker
on. Check the cooling
water for proper opera-
tion. Let the generator cool
down. The AUX supply
will automatically turn
back on when cool.
On On Off On Off An overtemperature
condition has been
detected in the gen-
erator. Cooling
water is probably
out of specifications. Check cooling water and
ensure it is within specifi-
cations. After overtemper-
ature condion is resolved,
toggle RF On command
off and then on again.
Table 7-2. The Power Level Doesn’t Meet Setpoint
AC
ON
LED
RF
ON
LED
Intlk
Open
LED
Over
temp
LED
Power
Limit
LED
Cause Action
On On Off Off On The generator is
unable to supply the
requested power
level due to limiting
conditions in the
generator. Power
limits can be caused
by load mismatches. Adjust the load or reduce
the power level.