Ruud GEN12AD-V Maintenance, Exercise timer. See Setting Exercise Timer, Fault Detection System

Setting Exercise Timer

Maintenance

The generator is equipped with an exercise timer that

Servicing the System

will start and exercise the system once every seven days.

During this exercise period, the unit runs for approximately

Before performing any generator maintenance, always

20 minutes and then shuts down. Electrical load transfer

perform the following steps:

DOES NOT occur during the exercise cycle (unless an utility

1. Set generator’s circuit breaker to its OFF position.

power outage occurs).

2. Set control panel system switch to OFF.

A button on the control panel is labeled “SET EXERCISE”

3.

Remove 15 Amp fuse from control panel.

(see System Control Panel). The specific day and the specific

time of day this button is pressed is programmed into the

4.

Utility voltage is present at generator control panel.

control board memory. This date and time is then used to

Disconnect power before servicing control panel by

automatically initiate the system exercise cycle. The “SET

removing the fuses from the transfer switch.

EXERCISE” legend on the control panel will flash until the set

5. After all servicing has been completed, replace fuses in

exercise cycle is set.

transfer switch, replace 15 Amp fuse in control panel,

To perform the Set Exercise procedure:

set system switch and circuit breaker ON and reset

1. Choose the day and time you want your generator to

exercise timer. See Setting Exercise Timer.

exercise.

Fault Detection System

2. On that day and time, press and hold “SET EXERCISE”

The generator may have to run for long periods of time

for three seconds.

The “Set Exercise” display will illuminate then turn off

with no operator present. For that reason, the system is

equipped with sensors that automatically shut down the

to confirm that the exercise timer has been set. Then

generator in the event of p entia

lly damaging conditions,

release the button.

CTION

perature, over speed, and

The unit will crank and run the exercise cycle. During

such as low oil pressur e, high tem

other conditions.

the cycle, “Set Exercise” will illuminate.

The generator’s

has a digital display that shows

control pane

Once the exercise cycle is complete, the unit will turn

fault codes, like “FC 1”.

The table below lists the detected

off and “Set Exercise” will no longer be displayed.

fault and th

e fault cod

as it is displayed on the control

The exercise cycle may be discontinued at anytime by

panel.

turning the System Switch to OFF.

3. The unit will then start and run

minute exercise

ault Descri

Fault Codes

t’s 20

REPROD

Low ba

ttery voltage

FC_1

cycle weekly.

U

pressure

FC_2

For example, if you press SET EXERCISE

on

morning

Low o

Sunday

w voltage

FC_3

at 10:00 AM, the unit will ru

n an imm dia

te exercise

cycle

Lo

and an exercise cycle every foll

ing

:00

ow

Sunday at 10

AM

(+/- 1/2 hour).

NOT

Engine does not start

FC_4

Low frequency

FC_5

“Set Exercise” will only work if the un

in the

d

it is

AUTO mo

Engine overspeed

FC_6

and this exact procedure is followed. TheFORerciser will n eed

High temperature

FC_7

to be re-set if the 15 Amp fuse is removed

or if

or change

the starting battery is disconnected.

Transfer switch fault

FC_8

If your want to change the day and time the unit exercises,

The remote LED indicator can be installed at a convenient

simply perform the “Set Exercise” procedure at the exact

inside location. The LED will remain lit when the generator

weekday and time you want it to take place.

is in AUTO. Should a system fault be detected, the LED will

turn on and off in a series of blinks that identify the problem.

Generator will not exercise if timer is not set.	The blink pattern is repeated with a brief pause between each
	series of blinks.

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