Warning time with by-pass reset

1. Perform a long by-pass> 3 seconds.
2. Check that the warning indicator's white indicator returns to its warning position (retracts inside housing) by 55 ± 15 seconds from when the by-pass has been completed.

Warning time with bellows reset

1. Perform a complete bellows movement by hand about 5 times.
2. Check that the warning indicator's white indicator returns to its warning position (retracts inside housing) by 55 ± 15 seconds from when the bellows movement has been completed.