Kohler 18EFKOZD User Manual

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4.1 Controller Display and Voltage Regulation Troubleshooting Chart
Section or
Publication
Reference*
Controller Display and Voltage Regulator
—
—
—
—
Generator Service Manual
SiteTech O/M
Graphical Display Section
 ATS - Automatic Transfer Switch; Eng.
- Engine; Gen.
- Generator Set; I/M
- Installation Manual;
O/M - Operation Manual;
M/M – Maintenance Manual:
S/M - Service Manual; S/S
- Spec Sheet; W/D
- Wiring Diagram Manual
† Have an authorized service distributor/dealer perform this service.
Recommended Actions
Recharge/replace battery.
Recharge ba
ttery.
Review the Error Message section.
Recharge/replace battery.
Troubleshoot alternator components.
†
Readjust voltage regulation.
†
Enable calibration in Generator Metering section. .
Probable Causes
No/low battery charge.
Low battery voltage.
Controller firmware fault has occurred or pushbutton/ rotary
selector dial
entry error.
No/low battery charge.
Defective exciter winding. Voltage ramp on startup is normal, but ramping
past the target without
recovering may
indicate additional
failures in the
alternator or excitation
circuit.
Voltage regulation cali
bration
incorrect.
Calibration not enabled.
Trouble Symptoms
Display is black.
Display shows single segment.
Display shows an error message.
Display locks up.
Output voltage ramps.
Output voltage unstable.
Unable to change voltage and current calibrations.

Kohler 18EFKOZD Specifications

General

Brand	Kohler
Model	18EFKOZD
Category	Portable Generator
Language	English