Kohler Electric Generator Decision Maker MPAC 1500

Check for any signs of vibration

Check for excessive temperature

Look for contamination or deterioration

Remove accumulations of dirt, dust, and other contaminants

Ensure no compressed air is used for cleaning

Open the transfer switch enclosure door

Check for accumulations of dirt, dust, moisture, or other contaminants

Check for worn, missing, or broken components

Check wire or cable insulation for deterioration, cuts, or abrasion

Check for signs of overheating or loose connections

Check the contactor’s external operating mechanism for cleanliness; clean and relubricate if dirty

Inspect wiring insulation for deterioration, cuts, or abrasion. Repair or replace deteriorated or damaged wiring

Tighten control and power wiring connections to specifications

Check the transfer switch’s main power switching contacts’ condition; clean or replace the main contacts or replace the contactor assembly as necessary

Test all indicators (LEDs) and all remote control systems for operation

Inspect the outside of the transfer switch for any signs of issues

Check that all external hardware is in place and in good condition

Verify the expected sequence of operations during transfer to emergency source

Observe the indicator LEDs on the transfer switch

Watch and listen for signs of excessive noise or vibration

Verify the expected sequence of operations during retransfer to preferred source

Verify the generator set shutdown after cooldown period

Verify time delay in OFF position during transfer to standby source and back to preferred source