4.3 Fault Codes

The Advanced Digital Control displays fault codes to aid in troubleshooting. Fault codes, descriptions, and recommended actions are listed in Figure 2-3.

Identify and correct the cause of the fault condition. Then reset the controller after a fault shutdown. See Section 2.4.1.

4.5Battery Charger Troubleshooting

Use the battery charger’s LED indicators and the table in Figure 4-3 to troubleshoot battery charger operation problems.

4.4 Troubleshooting

Figure 4-2 contains troubleshooting, diagnostic, and repair information for the Advanced Digital Control.

Problem

Possible Cause

Corrective Action

 

 

 

Controller LED display

No power to the controller:

 

is off

Continuous power mode jumper is disconnected

Controller display will automatically activate when a remote

 

 

and the generator set has not run for 48 hours or

start command is received or the generator set master

 

longer.

switch is moved to the RUN position. See Section 2.5.

 

 

Connect the jumper to maintain continuous power to the

 

 

controller, if desired.

 

Controller fuse (F3) is blown.

Replace the fuse. If the fuse blows again, contact the

 

 

distributor/dealer.

 

Low or no battery voltage.

Check connections.

 

 

Check generator set battery and battery charger. See

 

 

Figure 4-1.

 

 

 

 

Generator set master switch is in the OFF/RESET

Move generator set master switch to the AUTO or RUN

 

position.

position.

 

 

 

 

Generator set master switch in AUTO but no start

No action required (see Section 2.3.1). Controller display

 

command has been received since last controller

will activate when a remote start command is received or

 

reset.

the generator set master switch is moved to the RUN

 

 

position. Use the remote switch to start generator set and

 

 

activate the controller display, if desired.

Figure 4-2 ADC 2100 Troubleshooting Chart

Problem

Cause

Solution

 

 

 

Red LED stays

One or more defective or damaged cells.

Load test the battery and replace, if necessary

on for more than

 

 

Battery charger has reduced its output voltage below

Remove the source of the overload or short. Disconnect the

24 hours

the normal level due to a DC overload or a DC short.

battery charger’s black (NEGATIVE) ring terminal from the

 

 

 

battery. Reapply AC power and the green LED only should now

 

 

light.

 

 

 

 

Onboard DC systems are drawing more current than

Turn off all DC equipment while charging.

 

the battery charger can replace.

 

 

 

 

Red and green

Onboard DC systems are drawing between 1.5 and

Turn off all DC equipment while charging.

LEDs stay on for

5 amps.

 

more than

 

 

One or more defective or damaged cells.

Load test the battery and replace, if necessary

24 hours

 

 

Extremely low AC voltage at the battery charger.

Apply a higher AC voltage source or reduce the length of the

 

 

 

extension cord.

 

 

 

Green LED stays

Open DC output fuse.

Replace AGS-10 fuse.

on when the

 

 

Faulty or contaminated terminal connections.

Clean and tighten or repair all terminal connections.

battery is known

 

 

to be low

One or more defective or damaged cells.

Load test the battery and replace, if necessary.

 

 

 

Neither of the

No AC power available at the battery charger.

Connect AC power or reset the AC breaker on the main panel.

LEDs turn on

 

 

when the AC

Component failure.

Replace battery charger.

power is applied

 

 

 

 

 

Figure 4-3 Battery Charger Troubleshooting

20 Section 4 Troubleshooting

TP-6331 5/04

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Kohler 8.5RES, 12RES manual Fault Codes, Battery Charger Troubleshooting
Page 31 Page 33

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