Kohler — Programmed Transition (Time Delay Off) Adjustment
Adjustments · Interface board
From a Kohler service manual — check it applies to your exact model before use.
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Before you start
- Hazardous voltage. Will cause severe injury or death. Disconnect power sources before servicing.
Procedure
- Disconnect both the normal and emergency power sources.
- Open the enclosure door of automatic transfer switch.
- Locate the appropriate relay on the interface board (K3 TDON, K4 TDOE).
- The time delay adjustment screw is visible through the cover of the relay. Use a screwdriver inserted through the adjustment slot to manually adjust the time delay period.
- Shut the enclosure door.
- Reconnect the normal and emergency power sources.
- Operate the automatic transfer switch automatically and check the time delay off period.
Tools required
- Screwdriver Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Time delay adjustable from 2 to 40 seconds
Source: Kohler service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.