BUG-O Systems HOB-O - Manual (Page 17)

4 17
tROUBLe sHOOtING GUIDe
NOte: Make sure unit is plugged into correct voltage, (120VAC, 240VAC,
42VAC) corresponding to Model No. rating.
PROBLeM CaUse ReMeDy
Does not run, No power to Check power line supply voltage.
indicator light off. machine. Plug in line cord firmly.
Does not run, Wiring shorts. Disconnect machine and
indicator light off. examine internally; rewire at fault.
Circuit breaker
tripped.
If none found, throw direction
switch to ‘OFF’, reset breaker
and plug in.
Shorted motor. If breaker does not trip, replace
drive unit.
Faulty speed If breaker trips again, replace
control board. control board.
(OR)
Burned out
transformer. Replace transformer.
Does not run, Bad connection. Check wiring connections,12 VAC
indicator light on. should appear across secondary
of transformer.
Tighten terminal screws on speed
control board.
Faulty speed If DC Volts = 0 across leads to
control board. motor; replace control board.
Unit runs, Faulty speed Replace control board.
but no control control board. (Check connection first).
over speed.