Kohler 20RESD User Manual

TP-6805 8/1592 Section 5 Troubleshooting
Loads do not add when they should.
Problem Check
Loads do not add when load is below 56%. Verify that the generator set maximum load capacity is adequately sized for the
application.
Verify that the load is not jumping above the maximum capacity.
Loads never add. Verify that % load is below 50%.
Verify that the wiring between the load management device and the generator
set controller is correct.
Verify that the generator set maximum load capacity is adequately sized for the
application.
Verify that the load is not jumping above the maximum capacity.
Sporadic load adds and sheds.
Problem Check
Load adds and then sheds after about 6
seconds.
Verify that the fuel pressure to the generator set is within specification.
Verify that the % load is correctly measured.
Verify that the wiring between the load management device and the CT meets
specifications.
Verify that the Generator Set maximum Load Capacity is not set too high.
One AC relay may have too much load. Even out the loads on the AC relays.
Verify that generator frequency is within specification.
Loads continually add and shed. One AC relay may have too much load. Even out the loads on the AC relays.
Verify that the controller firmware has been updated. See Section 5.15.1.
Verify that generator frequency is within specification.
Some loads add but then all loads shed
suddenly.
Verify stable communication between the load management device and the
ATS with the generator controller.
One AC relay may have too much load. Even out the loads on the AC relays.
Verify that generator frequency is within specification.
Load does not shed after transfer to Emergency.
Problem Check
Load does not shed after transfer to
Emergency.
Verify that frequency is greater than 59 Hz.
Verify that the t ransfer switch is a model RXT.
Verify that the remote start signal is true.
Verify that generator set controller is configured as a single-phase unit.
Verify that the load management device sensed load is less than 7%.
Load sheds when Normal is available. Verify that the ATS is connected correctly.
Verify that the system indicates that the Normal s ource is available.
If an RDT transfer switch is used, verify that the remote start signal is off
(false).
Verify that the load management device sensed load is less than 7%.

Kohler 20RESD Specifications

General

Brand	Kohler
Model	20RESD
Category	Portable Generator
Language	English