Class1 107490 - UNI-Governor 107396 107269 software v 6 00 - Manual (Page 18)

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13 Message Center display garbled or dim
This is an internal component of the governor and there is no field repair to correct a dim display. The
governor should be replaced.
Contact Class1 at 1 800 533 3569
14 CAVITATE is displayed in the Message Center
This indicates that the governor has performed a cavitation check and the transducer signal remained
below 25 psi for at least 5 seconds. If the apparatus was run away from water then this is the case. If not,
the
transducer circuit needs to be checked.
15 PUMP ENGAGED/THROTTLE READY LED’s inoperative
These LED’s are connected directly to their associated interlock. If 12 VDC is present at pin 2, then the
THROTTLE READY LED should be on. If 12 VDC is present at pin 10, then the PUMP ENGAGED LED
should be on.
If 12 VDC is present and the LED is not on, the governor will need to be replaced. The LED’s can be
damaged by electrical “spikes” from the chassis and this condition may or may not be covered by the
Class1 warranty. In any event, this condition is most likely the result of external conditions and they
should be investigated before replacing the governor to prevent a recurrence.