Power Soak 37179 PS-275 Service Manual - Manual (Page 46)

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9.3 Motor starts, but no water flows in the wash tank.
Possible Cause
1. The key that drives the impeller has fallen out of the motor shaft keyway.
2. The pump impeller is broken or not connected to the motor shaft.
3. The motor is rotating the in the wrong direction (only occurs when motor is first
installed or replaced).
Solution
1.& 2. Turn off the power to the machine at the circuit breaker in the wall mounted
electrical enclosure and remove the motor assembly (see sections 7.1 & 8.1).
3. Turn off the power to the machine at the circuit breaker in the wall mounted
electrical enclosure and change the wiring connection for the motor (This must
be done by a certified electrician).
9.4 The control circuit fuse “blows” when the power is turned on.
Possible Cause
1. There is a short circuit in the chemical dispensing pump (not all machines have a
chemical dispensing pump).
2. The coil in the contactor is drawing too much current.
Solution
1. Disconnect the cable on the back of the chemical dispenser and try a new fuse.
If the fuse does not “blow” then have the chemical dispenser checked by a
qualified service person.
2. Turn off the power to the machine at the circuit breaker in the wall mounted
electrical enclosure and replace the contactor.
9.5 The lights indicate that the tank is empty when it is actually
full.
Possible Cause
1. The sensor is coated with debris.
2. The wire connected to the sensor is loose or broken.
3. The control panel connector is loose
Solution
1. Clean the face of the sensor with a washcloth and soapy water.
2. Check the nut that secures the wire to the sensor on the outside of the tank.
3. Examine the control panel connector to see that it is properly connected.