8514-296-001 REV K page 55
3.4 VARIABLE FREQUENCY DRIVE INDICATORS
There are three small colored LEDs located on the upper region of the
Variable Frequency Drive (VFD). They are labeled as “READY”, “RUN”,
and “FAULT” and can be used for troubleshooting. The definitions of the
LEDs are listed in Table 1 below.
Table 1: Variable Frequency Drive Indicators
LED Status Washer Condition
Steady Yellow Tumbling
Blinking Yellow Stop from Tumble
Steady Yellow
Intermediate or Final Extract
Spin
Steady Yellow Spinning (Intermediate or Final)
Blinking Yellow Stop from Spin (Intermediate or Final)
Steady Green Idle Mode (No Cylinder Movement)
Steady Red VFD fault
Blinking Red VFD warning