Rheem GEN10AD Manual Del Operario página 16

The oil pressure switch uses normally closed contacts that
are held open by engine oil pressure during operation.
Should oil pressure drop below the 8 psi range, switch
contacts close and the engine is shut down.
To remedy the low oil pressure condition, add the
recommended oil to the FULL mark on the dipstick.
If the low oil pressure condition still exists, the engine will
start, then shut down after about 0 seconds. The fault code
will appear and the LED will flash. In this case, contact a
Rheem Authorized Dealer.
Low Voltage (Generator, FC_3)
This fault is indicated by fault code FC_3 and three blinks on
the LED indicator. This condition is caused by a restriction in
the fuel flow, a broken or disconnected signal lead, a failed
alternator winding, the control panel circuit breaker is open,
or the generator is overloaded.
To remedy the problem, contact your installer or a Rheem
Authorized Dealer.
Engine Fail To Start (FC_4)
This fault is indicated by fault code FC_4 and four blinks on
the LED indicator. This feature prevents the generator from
damaging itself if it continually attempts to start in spite
of another problem, such as no fuel supply. Each time the
system is directed to start, the unit will crank for 10 seconds,
pause for 10 seconds, and repeat. If the system does not
begin producing electricity after approximately  minutes,
the unit will stop cranking and the LED will blink.
Check to make sure the generator's main circuit breaker is in
the ON position in order for the sensing leads to verify that
the unit is running.
The most likely cause of this problem is no fuel supply.
Check the inside and outside fuel shut off valves to ensure
they are fully open. Other causes could be failed spark
plug(s), failed engine ignition, or the engine air filter
is clogged. You may need to contact your installer for
assistance if you can't remedy these problems.
Low Frequency (FC_5)
This fault is indicated by fault code FC_5 and five blinks on
the LED indicator. This feature protects devices connected
to the transfer switch by shutting the generator down
if the engine runs slower than 55 Hz for three seconds.
This condition is caused by a failed engine governor or by
excessive loads on the generator. To remedy the problem,
contact your installer or a Rheem Authorized Dealer.
16
Engine Overspeed (FC_6)
This fault is indicated by fault code FC_6 and six blinks on
the LED indicator. This feature protects devices connected
to the transfer switch by shutting the generator down if
the engine happens to run faster than the preset limit. The
overspeed fault is detected as follows:
• If the generator output frequency is 65-70 Hz, after
three seconds, the generator will shut down.
• If the generator output frequency is greater than 70 Hz,
the generator will shut down immediately.
This condition is caused by a failed engine governor. To
remedy the problem, contact your installer or a Rheem
Authorized Dealer.
High Temperature (FC_7)
This fault is indicated by fault code FC_7 and seven blinks
on the LED indicator. The contacts of the temperature switch
(A) are normally open. If the engine oil temperature exceeds
approximately 148.9°C (300°F), the fault is detected and the
engine shuts down.
Common causes for this condition include running the
unit with all access covers removed, obstructed air inlet or
exhaust port, low oil level, or debris in the engine cylinder
cooling fins.
To resolve the problem, let the engine cool down and remove
any accumulated debris and obstructions. Ensure that the
access covers are installed whenever the unit is running.
Transfer Switch Fault (FC_8)
This fault is indicated by fault code FC_8 and eight blinks on
the LED indicator (if transfer switch is equipped with fault
detection). The most likely cause of this fault is a blown fuse
in the transfer switch.
To remedy the problem, contact your installer or a Rheem
Authorized Dealer.
A