System Control Panel - Rheem GEN20AD-E Operator's Manual

System Control Panel

Compare this control panel illustration with your generator to familiarize yourself with the location of these important controls:
A
B
C
A - Menu/Programming Navigation Buttons — See Menu
section for details
B - Mini USB Port — Authorized Dealer Service Use Only
C - Generator Operation Control Buttons —
AUTO" Normal operating position. Press and hold
button to put unit into Automatic mode. If an utility
power outage is sensed, the system will start the
generator. When utility power is restored, auto lets the
engine stabilize internal temperatures, shuts off the
generator, and waits for the next utility outage.
OFF" Turns off running generator, prevents unit from
starting, and resets any detected service codes.
OFF must be pressed and held for more than 5 seconds
in order to reset service codes.
MANUAL" Used to manually start the generator.
"AUTO" LED — LED will light when unit is placed into
Auto mode. LED will blink if exercise cycle is not set or
set to OFF.
Butt Buttons — See Menu See Menu
rvice Use O vice Use O
D – 15 Amp Fuse — Protects the home generator DC
control circuits. If the fuse has 'blown' (melted open) or
was removed, the engine cannot crank or start. Replace
the fuse using only an identical ATO 15A fuse. One
spare fuse is supplied with the unit.
E - Cover — This protective cover must be opened to access
the fuse and the USB port.
F - Digital Display — Displays generator mode, menu
options, service codes, and service engine indicators
F
E
D
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